Founded in 2023, Critical Loop was born out of a mission to fix the electric grid. Today, we are making power more accessible and efficient by combining industry-leading energy storage with advanced control software. We deliver mobile power directly to our customers' locations, helping them electrify quickly while maintaining business continuity. Serving industries such as factories, electric vehicle charging stations, data centers, and critical infrastructure, Critical Loop ensures reliable energy solutions wherever they are needed. For more information, visit<a href="http://www.criticalloop.com/"> www.criticalloop.com</a>.

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Making power more accessible and efficient by combining industry-leading energy storage with advanced control software.

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.The RoleWe’re recruiting a Manufacturing Engineer to drive electrical systems manufacturing excellence across the production of the Critical Loops product lines. This is a chance to help a growing company create the future of grid-scale battery storage while leveraging the latest automation tools that can minimize time-to-market. What You Will Do<ul style=""><li>Responsible for the build and inspection process for the electrical assemblies and systems integration across the Critical Loop product lines</li><li>Develop, qualify, and refine manufacturing processes and subsequent work instructions to meet all design and business requirements, including safety, quality, efficiency, and delivery</li><li>Collaborate with other engineers, subject matter experts, and technicians to solve both internal and customer production challenges</li><li>Work with product engineering team to evaluate designs for manufacturability and implementation in a rapidly evolving production environment</li><li>Resolve product non-conformances and collaborate with the quality team to implement root cause corrective actions</li><li>Identify, plan, and execute capital equipment, machine, and layout upgrades to meet our growing production demand</li><li>Develop and refine floor layouts, capacity models, and product flow analysis to ensure on-time product delivery to our customers</li></ul>Must-Haves<ul style=""><li>Bachelor's degree in electrical, manufacturing, aerospace, materials or industrial engineering</li><li>5+ years of engineering experience in manufacturing or production</li></ul>Nice-to-Haves<ul style=""><li>Experience with the build, assembly, or integration of low and high voltage assemblies</li><li>Knowledge of harness and electrical systems manufacturing techniques, processes, and equipment including wire processing and prep, termination, assembly and routing, and test verification.</li><li>Electrical component and/or tooling design and analysis experience using 3D CAD software</li><li>Experience with design for manufacture and assembly (DFMA)</li><li>Experience transition complex products from R&amp;D to high-volume manufacturing in a fast-paced environment</li><li>Experience writing work instructions and procedures</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Manufacturing Engineer - Electrical

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.<h2>Position Summary</h2>Critical Loop is looking for an experienced Engineering Technician to join our Product Development team and support the build, integration, and testing of next-generation energy hardware.This is a highly hands-on role for someone who is comfortable moving between the shop floor and the test environment. You’ll build and wire prototype electromechanical systems, set up and run development tests, troubleshoot issues alongside engineers, and help turn early designs into repeatable, high-quality builds.You won't be working at a single station doing the same assembly every day. One day you may be wiring a prototype system from an electrical drawing, and the next you may be setting up instrumentation for a development test or working directly with engineering to diagnose and document a build issue.<div style="margin-top:0;margin-bottom:0;"> </div><h2>Responsibilities</h2><ul style=""><li>Build, wire, and assemble prototype electromechanical skids, control cabinets, switchgear, and subassemblies from engineering drawings, schematics, work orders, and work instructions.</li><li>Perform HV/LV wire routing, harnessing, crimping, terminations, connector installation, fastening, and torquing to specification.</li><li>Set up and operate bench and hardware-in-the-loop (HIL) test equipment, including inverters, load banks, DAQ systems, sensors, oscilloscopes, power meters, and power analyzers.</li><li>Execute development and validation testing and capture clean, accurate, and traceable test data for engineering.</li><li>Read and interpret electrical drawings, wiring diagrams, mechanical drawings, GD&amp;T, BOMs, and work instructions.</li><li>Identify build and test issues, troubleshoot problems, and work directly with engineering to determine root causes and next steps.</li><li>Verify and redline drawings and work instructions based on actual build and test experience.</li><li>Document nonconformances and provide clear feedback that improves future designs, builds, and processes.</li><li>Maintain organized lab tools and instrumentation and ensure required calibration is current.</li><li>Follow established safety practices when working around high-voltage and high-energy systems, including LOTO, arc-flash PPE, and ESD requirements.</li><li>Partner closely with Electrical &amp; Controls Engineering, Production/Build, Test, Quality, and Field Service teams.</li></ul><h2>Required Qualifications</h2><ul style=""><li>5+ years of experience as an Engineering Technician, Test Technician, Electromechanical Technician, Prototype Technician, Integration Technician, or similar hands-on technical role.</li><li>Experience building and/or testing precision electromechanical hardware to print in industries such as energy/BESS, EV/battery, automotive, aerospace, or industrial hardware.</li><li>Strong ability to independently read and build from engineering drawings, electrical schematics, wiring diagrams, GD&amp;T, BOMs, and work instructions.</li><li>Hands-on experience with precision assembly and electrical harnessing, including torque specifications, crimps, terminations, connectors, routing, labeling, and fasteners.</li><li>Experience setting up test instrumentation and collecting reliable, traceable data using equipment such as DAQ systems, sensors, oscilloscopes, power analyzers, and load banks.</li><li>Working knowledge of electrical safety practices, including LOTO and appropriate PPE when working around high-voltage or high-energy equipment.</li><li>Ability to work on-site in Long Beach/Torrance and lift approximately 50 lbs.</li></ul><h2>Preferred Qualifications</h2><ul style=""><li>Experience working within a formal quality system such as AS9100 or IATF 16949, including FAI, traceability, nonconformance documentation, ECOs, and redlines.</li><li>IPC/WHMA-A-620 or J-STD-001 experience or certification.</li><li>Soldering and electrical rework experience.</li><li>Experience with battery energy storage systems, EV battery/powertrain systems, aerospace hardware, or other high-power electromechanical systems.</li><li>Basic comfort working with test data in Python or spreadsheets.</li><li>Valid California driver's license.</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.<div style="margin-top:0;margin-bottom:0;"> </div>At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Engineering Technician

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.The RoleWe are seeking a passionate Lead Quality Systems Engineer committed to turning engineering designs into reliable, high-quality products. This role focuses on developing and implementing rigorous quality processes that meet or exceed industry standards. This is a predominantly hands-on role, requiring the successful candidate to work directly with internal/external manufacturing, testing and production teams to identify issues, implement solutions and drive continuous quality improvement. The ideal candidate will leverage their design and manufacturing experience and analytical skills to ensure reliability throughout production, supply chain, testing and deployment phases of the entire suite of Critical Loop product lines.What You Will Do<ul style=""><li>Perform and train QA for Electrical and Mechanical drawings prior to releasing internally and/or externally to suppliers and/or customers</li><li>Use strong engineering domain knowledge and practical experience to advise the design, manufacturing, supply chain, and leadership teams on product quality and safety</li><li>Partner with Product and Project engineering to create inspection plans for all deployable systems</li><li>Take a methodical approach to identifying the largest quality related issues and risks impacting manufacturing and operations across the Critical Loop product lines and partner with relevant stakeholders to minimize risk and implement process improvements</li><li>Define and regularly update Critical Loop’s Quality Management System (“QMS”) and provide training to relevant personnel on ISO 9001 compliance requirements and industry standards</li><li>Assess core business processes, systems, and products through internal audits to assure compliance to customer requirements, Critical Loop procedures and policies, and ISO9001 standards</li><li>Utilize corrective and preventive action processes to address non-conformances and drive improvement of quality management across the various Critical Loop product lines</li><li>Drive quality assurance within the supply chain, ensuring effective supplier qualification and ongoing performance monitoring</li></ul>Must-Haves<ul style=""><li>Bachelor degree in an engineering or STEM discipline</li><li>5+ years of experience in a manufacturing environment as a Manufacturing Engineer, Test Engineer, Reliability Engineer, or Quality Engineer</li></ul>Nice-to-Haves<ul style=""><li>Demonstrated experience in GD&amp;T, MIL-STD, IPC and ISO family of standards</li><li>ASQ-CQA-RAB certified lead auditor or training with direct hands-on experience</li><li>Proficiency with quality tools such as design of experiments, statistical process control, root cause analysis and corrective action, advanced product quality planning (APQP), and process failure mode and effects analysis (PFMEA)</li><li>Strong technical writing skills, ability to communicate effectively to both technical and non-technical stakeholders, and strong problem-solving skills</li><li>Ability to work independently and take initiative; is creative, detail oriented and has a positive attitude when faced with challenging problems</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Lead Quality Systems Engineer 

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.<h2>Position Summary</h2>Critical Loop is looking for a Master Electrician with deep experience in utility-scale Battery Energy Storage Systems (BESS) to lead the electrical execution of our field deployments. This role will serve as the technical expert for installation, commissioning, troubleshooting, and service activities across our battery storage fleet. This is a hands-on leadership role. We're looking for someone who is just as comfortable troubleshooting a live system as they are mentoring junior electricians, making field decisions, and partnering with engineering to solve complex problems.<h2>Responsibilities</h2><ul style=""><li>Lead electrical installation, commissioning, maintenance, and troubleshooting of utility-scale BESS systems.</li><li>Perform factory acceptance testing (FAT) including continuity testing, joint impedance measurement, phase rotation verification, multi-phase commissioning, energization, and functional testing.</li><li>Perform and oversee commissioning activities including phase rotation verification, multi-phase commissioning, energization and startup, functional testing, and point-to-point verification.</li><li>Perform high-voltage AC/DC troubleshooting.</li><li>Safely isolate, de-energize, verify zero energy, and return BESS systems to service.</li><li>Install, replace, and troubleshoot PCS/inverters, combiners, transformers, switchgear, breakers, communication systems battery racks/modules, and communication systems.</li><li>Interpret electrical drawings, one-line diagrams, wiring diagrams, and commissioning procedures.</li><li>Routing and installation of high ampacity terminations ranging from 2/0 to 500 MCM wire</li><li>Support root cause analysis of electrical failures.</li><li>Working with documented work instructions, QA hold points, and torque/inspection requirements.</li><li>Partner with Engineering to resolve field issues and improve product reliability.</li><li>Mentor and develop junior field technicians and electricians.</li><li>Maintain NFPA 70E, OSHA, LOTO, and all site safety requirements.</li><li>Travel up to 30% to customer sites for commissioning, maintenance, and troubleshooting activities.</li></ul><h2>Required Qualifications</h2><ul style=""><li>Master Electrician license or equivalent Journeyman-level experience with demonstrated field leadership.</li><li>8+ years of industrial, utility, or commercial electrical experience.</li><li>3+ years of hands-on experience with utility-scale Battery Energy Storage Systems (BESS).</li><li>Experience commissioning and servicing Tesla Megapack, Fluence, Sungrow, Powin, Wärtsilä, BYD, or similar utility-scale energy storage platforms.</li><li>Experience working with 480V AC, 1000–1500V DC battery systems, and medium-voltage electrical equipment.</li><li>Hands-on experience with inverter installation and commissioning — EG4, SMA, Sungrow, SolarEdge, or comparable platforms.</li><li>Strong understanding of battery systems, including series and parallel configurations, battery management systems (BMS), phase rotation, multi-phase commissioning, arc flash, and DC electrical hazards.</li><li>Experience performing lockout/tagout (LOTO), live-dead-live verification, and electrical testing using multimeters, insulation resistance testers, and phase rotation meters.</li><li>Ability to read and interpret electrical schematics, one-line diagrams, wiring diagrams, and technical documentation.</li><li>Valid driver's license and ability to travel as needed.</li></ul><h2>Preferred Qualifications</h2><ul style=""><li>SCADA, Modbus, or BMS communications troubleshooting experience.</li><li>Hands on experience with cable connections in transformers, panel boards, and inverters</li><li>NETA certification.</li><li>NFPA 70E certification.</li><li>OSHA 30 certification.</li><li>Forklift Certification</li><li>Experience with utility interconnection and substation equipment.</li><li>SCADA, PLC, or industrial controls experience.</li><li>Previous experience in a startup or rapidly growing company environment.</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.<div style="margin-top:0;margin-bottom:0;"> </div>At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Master Electrician - Battery Energy Storage Systems (BESS)

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.We’re looking for a software engineer who is comfortable working beyond conventional application boundaries. You’ll contribute to everything from drivers and communication services running on embedded Linux hardware to backend systems, data pipelines, and the interfaces used by customers and operators. You’ll collaborate directly with hardware engineers and develop software that controls and monitors physical systems deployed in the field. If you enjoy work where software has real-world consequences—and where debugging sometimes involves a multimeter—this role is for you.This role is Hybrid in local market (Torrance and commutable surrounding areas)Responsibilities: <ul style=""><li>Design and build software spanning embedded drivers, device communications, backend services, data pipelines, and operator-facing interfaces</li><li>Develop the network communication and driver layers that power our site controllers and distributed energy resources</li><li>Build and maintain automated data pipelines for utility interval data analysis and real-time energy monitoring</li><li>Collaborate with hardware engineers to develop and iterate on embedded system designs</li><li>Help architect systems that are reliable, observable, maintainable, and deployable across physically distributed sites</li><li>Participate in hardware bring-up, field testing, commissioning, and debugging of deployed systems</li><li>Own features from initial design through deployment and field validation</li></ul>Requirements:<ul style=""><li>Proficiency in one or more systems programming languages, such as C, C++, or Rust</li><li>Experience with a higher-level language used for services, automation, or data processing, such as Python or Go</li><li>Experience writing firmware, drivers, or hardware-facing software for embedded targets</li><li>Comfort working close to hardware, including reading schematics, debugging over serial or JTAG, and reasoning about timing and electrical behavior</li><li>Experience building backend services and APIs, ideally for real-time, distributed, or telemetry-driven systems</li><li>Ability to take ownership of ambiguous problems and operate with minimal oversight in a fast-moving startup environment</li></ul>Preferred Requirements:<ul style=""><li> Familiarity with industrial protocols such as Modbus, DNP3, or CAN bus</li><li>Experience with SCADA systems, distributed energy resources, or industrial controls</li><li>Experience with battery energy storage systems, inverters, power conversion equipment, or other grid-edge hardware</li><li>Background in aerospace, defense, robotics, automotive, or other safety-critical embedded domains</li><li>Exposure to machine learning, signal processing, controls, or data analysis in a hardware context</li><li>A degree in physics, computer engineering, electrical engineering, or a related technical discipline</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Firmware Engineer

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.<h3>Test Engineer - Multiple Openings - On-site in Long Beach, CA</h3>The RoleWe are hiring Test Engineers to build our hardware test capability from the ground up. You will be the owner of our hardware-in-the-loop (HITL) infrastructure, production unit test process, and canary fleet procedures, building and maintaining each as the hardware test pipeline our reliability story is built on.You will design and build the HITL testbeds, stand up the production unit test process, and own the canary fleet procedures that our hardware reliability story is built on. The test outcomes you produce will feed directly back into the hardware we ship to customers. This is a hands-on, on-site role working alongside the Operations and Product Development teams.What You'll Do<ul style=""><li>Design, build, and maintain hardware-in-the-loop (HITL) testbeds for Critical Loop's product line, starting with the CLB5100 and expanding to the CLB5020 and beyond</li><li>Develop and operate production unit test processes and procedures, ensuring issues are caught before units reach customer sites</li><li>Stand up and own canary fleet usage processes, tooling, and operational standards</li><li>Author and maintain test procedures, documentation, and standards as the source of truth for how Critical Loop validates hardware</li><li>Analyze test data and translate findings into actionable feedback that improves the hardware we ship</li><li>Lead root cause analysis on hardware failures and edge cases surfaced through testing, and stay with the problem until it is solved</li><li>Partner with engineering and field ops to align test infrastructure with deployment realities</li><li>Build the test engineering function from nothing and do not wait for process or tooling to exist before creating it</li></ul>Must-Haves<ul style=""><li>Hands-on experience designing, building, and operating hardware test setups — not only running existing ones</li><li>Demonstrated experience authoring test procedures and the operational standards around them with substantive contributions to the build and methodology</li><li>Strong root cause analysis skills, with the ability to drive complex hardware issues to ground in systems you own end to end</li><li>Willingness to engage with the software side of testing, including reading code, writing scripts, and committing to git repositories</li><li>Bachelor's degree in electrical engineering, mechanical engineering, or a related field, or equivalent practical experience</li><li>Comfortable operating as the test engineering function for a product line, setting your own priorities and managing your own work without an existing test organization to lean on</li></ul>Nice-to-Haves<ul style=""><li>Direct experience with hardware-in-the-loop (HITL) testbeds and the trade-offs around fidelity, cost, and maintainability</li><li>Experience with data acquisition systems, sensors, DAQs, and logging or telemetry forwarding software</li><li>Familiarity with Python, git, and Linux</li><li>Background in power electronics or high-voltage systems</li><li>Background spanning both R&amp;D and production environments</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.<div style="margin-top:0;margin-bottom:0;"> </div>At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Test Engineer

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.<h1>Lead Recruiter</h1>Critical Loop | Full-Time | Hybrid | Torrance, CAThe RoleWe are hiring our first dedicated Senior Recruiter.You will own recruiting across the business while helping expand the recruiting infrastructure that supports Critical Loop as we scale.You'll partner directly with hiring managers and executive leadership to attract exceptional talent across engineering, operations, manufacturing, corporate functions, and leadership. You'll also help build upon the existing recruiting processes, interview frameworks, and operational cadence that create a consistent, high-quality hiring experience.You'll report directly to the People &amp; Talent Lead and have the opportunity to continue to shape how recruiting operates at Critical Loop.We're looking for someone who enjoys both sides of recruiting:<ul style=""><li>finding and closing exceptional talent</li><li>building better systems that make hiring easier tomorrow than it is today</li></ul>What You'll Do<ul style=""><li>Own full-cycle recruiting across technical and non-technical roles, including sourcing, screening, interviewing, offer management, and candidate experience.</li><li>Partner with hiring managers to define hiring strategies, conduct intake meetings, build interview plans, and calibrate candidate profiles.</li><li>Build proactive talent pipelines for recurring and difficult-to-fill positions before hiring needs become urgent.</li><li>Develop sourcing strategies that leverage LinkedIn Recruiter, networking, referrals, communities, and creative outreach techniques.</li><li>Own recruiting operations within Ashby, including job creation, interview scheduling workflows, reporting, scorecards, templates, and process documentation.</li><li>Continuously improve interview processes, candidate communications, hiring manager enablement, and recruiting metrics.</li><li>Track recruiting analytics including time-to-fill, pipeline conversion, sourcing effectiveness, and hiring manager satisfaction.</li><li>Partner with the People &amp; Talent Lead on onboarding improvements, employer initiatives, and People Operations projects that improve the employee experience.</li><li>Serve as a trusted advisor to hiring managers by challenging assumptions, improving interview quality, and helping teams make better hiring decisions.</li><li>Identify patterns across searches and recommend improvements to recruiting strategy, compensation positioning, interview design, and talent planning.</li></ul>Must-Haves<ul style=""><li>3+ years of full-cycle in-house recruiting experience across multiple business functions.</li><li>Demonstrated success sourcing passive candidates and building talent pipelines for difficult-to-fill positions.</li><li>Experience partnering directly with hiring managers throughout the hiring process, from intake through offer acceptance.</li><li>Strong interviewing and candidate assessment skills with the ability to evaluate both technical capability and long-term organizational fit.</li><li>Exceptional written and verbal communication skills.</li><li>Highly organized with outstanding follow-through and attention to detail.</li><li>Comfortable managing multiple concurrent searches while maintaining an exceptional candidate experience.</li><li>Experience using modern ATS platforms (Ashby preferred, Greenhouse, Lever, or equivalent acceptable).</li></ul>Nice-to-Haves<ul style=""><li>Experience recruiting for engineering, manufacturing, hardware, or operations organizations.</li><li>Experience working at a Series A, Series B, or other high-growth startup.</li><li>Experience building or improving recruiting processes, interview frameworks, scorecards, or hiring documentation.</li><li>Experience partnering with People Operations beyond recruiting, including onboarding, recruiting analytics, or manager enablement.</li><li>Experience developing recruiting dashboards or using recruiting metrics to improve hiring outcomes.</li><li>Familiarity with compensation benchmarking and offer strategy.</li><li>Experience mentoring hiring managers on interviewing best practices.</li><li>Demonstrates curiosity beyond recruiting by identifying opportunities to improve hiring, onboarding, hiring manager enablement, and People Operations processes.</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Senior Recruiter

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.<h1>Operations Engineer </h1>Critical Loop | Full-Time | Multiple Openings<h2>The Role</h2>We are hiring an Operations Engineer to lead the deployment, operation, maintenance, and performance of our mobile BESS fleet. You will ensure safe and reliable field operations, drive rapid customer response, and maintain high system uptime across active sites.You will also work closely with our controls and software teams to test and validate advanced control logic across diverse power applications. This is a hands-on, customer-facing role with direct impact on daily operations and product evolution. If you need close oversight to function or treat safety as secondary to speed, this is not the right fit.<h2>What You'll Do</h2><ul style=""><li>Manage fleet scheduling, dispatch, deployment, and retrieval to ensure reliable service delivery across active customer sites</li><li>Oversee site readiness, electrical connections, grounding, and system startup during deployments</li><li>Execute commissioning of battery energy storage and power systems in the field, safely verifying de-energized conditions before every touch</li><li>Develop and execute preventive and corrective maintenance plans to maximize fleet uptime</li><li>Lead hands-on troubleshooting of electrical, mechanical, battery, and power electronics issues independently using a structured diagnostic process</li><li>Serve as the primary escalation point for on-site and remote troubleshooting and customer support</li><li>Coordinate logistics, transportation, staging, and heavy equipment movement for deployments</li><li>Operate and test system control logic, state machines, and transitions between operating modes</li><li>Maintain accurate documentation on fleet status, maintenance activities, telemetry, and system performance</li><li>Communicate clearly with engineering teams on field findings and open issues, and with customers on status and resolution timelines</li><li>Provide on-call support in on-call rotation</li><li>Travel up to 50%</li></ul><h2>Must-Haves</h2><ul style=""><li>Experience operating or supporting battery energy storage systems or similar power assets in the field</li><li>Hands-on experience with power electronics, electrical troubleshooting, and field maintenance</li><li>Has worked on 480V or higher systems and can safely verify de-energized conditions before every touch</li><li>Quality wiring, terminations, and ferrule work to a professional standard</li><li>Experience using backend or controls software to monitor and operate energy systems</li><li>Customer-facing experience and strong communication skills, including difficult conversations when systems are down or timelines slip</li><li>Comfortable managing work on a job site independently with minimal supervision</li><li>Familiarity with electrical safety practices and regulatory standards</li></ul><h2>Nice-to-Haves</h2><ul style=""><li>Experience with BESS, UPS, inverters, DC infrastructure, portable switchgear, or microgrid systems</li><li>Experience with mobile or portable power systems and fleet management</li><li>Basic coding experience or familiarity with Python, Julia, R, or MATLAB</li><li>Experience writing or modifying site configurations and defining state transitions for deployed systems</li><li>Familiarity with fleet management systems or telemetry platforms</li><li>Familiarity with Modbus or similar industrial control protocols</li><li>Prior background in a startup or fast-scaling operations environment</li><li>Certifications in battery systems, heavy equipment operation, or electrical safety</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.<div style="margin-top:0;margin-bottom:0;"> </div>At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Operations Engineer

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.<h3>About the Role:</h3>We’re looking for a Senior Electrical Engineer to help design and deploy next-generation energy systems at the intersection of power infrastructure, battery energy storage, and distributed energy resources (DERs). This role is ideal for someone who understands the intent behind electrical codes, not just the letter, and can thoughtfully navigate compliance while enabling innovation.You’ll work in a fast-paced, highly collaborative environment where new ideas move quickly from concept to deployment. If you’re energized by solving complex power challenges and pushing technical boundaries responsibly, this is the role for you.<h3>What You’ll Do:</h3><ul style=""><li>Lead electrical design and engineering for power systems, including battery energy storage systems (BESS), microgrids, and DER integrations</li><li>Design and review electrical distribution systems, including switchgear, panelboards, and custom electrical panels</li><li>Develop and review single-line diagrams, protection schemes, grounding plans, and equipment specifications</li><li>Engage directly with customers and partners to support technical discussions, project development, and issue resolution</li><li>Participate in site visits, commissioning activities, and field troubleshooting as needed</li><li>Ensure designs comply with NEC, local codes, UL standards, and utility requirements while identifying opportunities for creative, compliant solutions</li><li>Collaborate cross-functionally with product, manufacturing, and operations teams to bring projects from concept through commissioning</li><li>Interface with utilities, AHJs (Authorities Having Jurisdiction), and inspection bodies to support project approvals</li><li>Perform power system studies (load flow, short circuit, coordination, arc flash) and validate system performance</li><li>Stay current with evolving codes, standards, and emerging technologies in energy storage and distributed generation</li></ul><h3>What We’re Looking For:</h3>Required<ul style=""><li>Bachelor’s or Master’s degree in Electrical Engineering</li><li>7+ years of experience in power systems, energy storage, renewables, or related fields</li><li>Strong working knowledge of the National Electrical Code (NEC) and its real-world application</li><li>Experience with battery energy storage systems (BESS), solar PV, microgrids, or other DERs</li><li>Hands-on experience with electrical panel design, including layout, component selection, and integration into larger power systems</li><li>Proficiency in power system analysis tools</li><li>Proficiency in industry-standard electrical CAD tools</li><li>Experience working with utilities and navigating interconnection processes</li><li>Demonstrated ability to develop engineering processes, standards, or best practices</li><li>Ability to interpret codes pragmatically and propose compliant, forward-thinking solutions</li><li>Willingness to travel (estimated 25%, depending on project needs)</li></ul>Preferred<ul style=""><li>Active Professional Engineer (PE) license</li><li>Familiarity with UL 508A or similar panel standards</li><li>Strong communication skills and ability to engage effectively with both technical and non-technical stakeholders</li></ul><div style="margin-top:0;margin-bottom:0;"> </div><h3>What Sets You Apart:</h3><ul style=""><li>You understand not just what the code says, but why it exists—and when flexibility is appropriate</li><li>You bring both system-level thinking and hands-on design experience (down to the panel level)</li><li>You’ve helped build or scale engineering processes in a growing organization</li><li>You’re comfortable operating in ambiguity and moving quickly without sacrificing engineering integrity</li><li>You’ve worked on projects that required creative problem-solving within regulatory constraints</li><li>You enjoy collaborating across disciplines and influencing technical direction</li></ul><div style="margin-top:0;margin-bottom:0;"> </div>Why Join Critical Loop?<ul style=""><li>Compensation: $150,000 to $200,000 base salary, depending on experience, plus equity</li><li>Real ownership from day one. You’ll shape how we build and scale engineering as one of the earliest senior engineers on the team.</li><li>Work that actually ships. We move fast from concept to deployment, and you’ll see your designs in the field.</li><li>A problem space worth solving. Grid reliability and energy access are some of the most consequential infrastructure challenges of the next decade, and this team is working on them directly.</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.<div style="margin-top:0;margin-bottom:0;"> </div>At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Senior Electrical Engineer

About Critical LoopCritical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.The RoleWe’re recruiting a Manufacturing Engineer to drive mechanical systems manufacturing excellence across the production of the Critical Loops product lines. This is a chance to help a growing company create the future of grid-scale battery storage while leveraging the latest automation tools that can minimize time-to-market.What You Will Do<ul style=""><li>Responsible for the build and inspection process for the mechanical assemblies and systems integration across the Critical Loop product lines</li><li>Develop, qualify, and refine manufacturing processes and subsequent work instructions to meet all design and business requirements, including safety, quality, efficiency, and delivery</li><li>Collaborate with other engineers, subject matter experts, and technicians to solve both internal and customer production challenges</li><li>Work with product engineering team to evaluate designs for manufacturability and implementation in a rapidly evolving production environment</li><li>Resolve product non-conformances and collaborate with the quality team to implement root cause corrective actions</li><li>Identify, plan, and execute capital equipment, machine, and layout upgrades to meet our growing production demand</li><li>Develop and refine floor layouts, capacity models, and product flow analysis to ensure on-time product delivery to our customers</li></ul>Must-Haves<ul style=""><li>Bachelor's degree in mechanical, manufacturing, aerospace, materials or industrial engineering</li><li>5+ years of engineering experience in manufacturing or production</li></ul>Nice-to-Haves<ul style=""><li>Experience with the build, assembly, or integration of mixed electro-mechanical assemblies</li><li>Knowledge of mechanical / hardware systems manufacturing techniques, processes, and equipment including welding, fastening, drilling, bonding and inspection verifications.</li><li>Mechanical component and/or tooling design and analysis experience using 3D CAD software</li><li>Experience with design for manufacture and assembly (DFMA)</li><li>Experience transition complex products from R&amp;D to high-volume manufacturing in a fast-paced environment</li><li>Experience writing work instructions and procedures</li></ul>Work Authorization We are not able to offer visa sponsorship for this role. Candidates must be authorized to work in the United States without sponsorship now or in the future.At Critical Loop, we're committed to rewarding and supporting our team. Our benefits package includes equity ownership through stock options, giving you a stake in our success, along with comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance. We also provide a retirement savings plan and unlimited paid time off so you can recharge and maintain work-life balance.Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Critical Loop

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Climate Solutions

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Sectors

Climate Solutions

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