<p>Travertine is a Carbon Dioxide Removal and industrial chemical production company based in Boulder, CO. We are building a cost-effective, gigaton-scale CDR solution that co-produces sulfuric acid for use in critical element extraction.</p>

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Gigaton-scale CO2 removal and sulfuric acid co-production for sustainable resource extraction.

<div><span style="font-size:14pt;">About Travertine</span></div><div><span style="font-size:11pt;">Travertine is a Climate Tech start-up based in Boulder, CO that is rapidly scaling an electrochemical technology for carbon dioxide removal (CDR) and sustainable critical element extraction. Our process takes carbon dioxide from the air and sources of waste sulfate to produce carbonate minerals, sulfuric acid, and hydrogen. The sulfuric acid is used in extraction of critical elements like lithium and nickel for EV batteries and phosphorus for fertilizer. The Travertine Process was developed by Prof. Laura Lammers at her UC Berkeley lab. Travertine was founded in 2022 to scale this process to gigatons per year of CDR. </span></div><div><br></div><div><span style="font-size:11pt;">In 2022, we raised a seed round from the Grantham Foundation and Clean Energy Ventures, we were one of the first companies to receive pre-purchases of CDR from the new Stripe-led $1B Frontier fund, and we received a $2M grant from the DOE’s ARPA-E program. We were named C&amp;EN 10 startups to watch in 2022, a Bloomberg NEF Pioneer in 2023, and are part of the RMI Third Derivative 1st Gigaton Captured program.  We believe in developing practical approaches to solving the climate crisis. </span></div><br><br><h3>Key Responsibilities</h3><ul><li>Lead R&amp;D experiments that contribute to process design and optimization, including experimental design, scheduling, execution, and mass balances.</li><li>Compile, analyze, and report data from benchtop and pilot plant experiments.</li><li>Design, select, and/or construct laboratory and pilot equipment.</li><li>Troubleshoot performance issues in lab and pilot experiments.</li><li>Assist with development of process flow diagrams, mass balances, and process design criteria.</li><li>Manage one or more laboratory technicians. Train personnel as necessary in laboratory procedures and data analysis.</li><li>Maintain a safe, clean, productive laboratory environment.</li></ul><h3>Required Qualifications</h3><ul><li>Bachelor's degree in engineering (chemical, materials, metallurgical) or equivalent experience</li><li>7+ years experience in hydrometallurgical laboratory and plant operations</li><li>Proven skills in hydrometallurgical experiment design, data acquisition and validation, mass balance development, and translation of laboratory results to process design</li><li>Experience in chemical and physical analytical techniques (wet chemistry, spectroscopy, mineralogical characterization)</li><li>Experience reading and writing process flow diagrams (PFDs) and piping and instrumentation diagrams (P&amp;IDs)</li></ul><h3>Bonus Qualifications</h3><ul><li>2+ years of experience in the mining industry or chemical process industry</li><li>Applied hydrometallurgical process design experience</li><li>Process simulation expertise</li><li>Translation of process design from pilot to commercial scale</li></ul><h3>Benefits</h3><ul><li>Stock options</li><li>Health, Dental, Vision, Life Insurance</li><li>401k with 3% match</li><li>Flexible time off policy</li></ul><br>

Senior Hydrometallurgical Engineer

<div><span style="font-size:14pt;">About Travertine</span></div><div><span style="font-size:11pt;">Travertine is a Climate Tech start-up based in Boulder, CO that is rapidly scaling an electrochemical technology for carbon dioxide removal (CDR) and sustainable critical element extraction. Our process takes carbon dioxide from the air and sources of waste sulfate to produce carbonate minerals, sulfuric acid, and hydrogen. The sulfuric acid is used in extraction of critical elements like lithium and nickel for EV batteries and phosphorus for fertilizer. The Travertine Process was developed by Prof. Laura Lammers at her UC Berkeley lab. Travertine was founded in 2022 to scale this process to gigatons per year of CDR. </span></div><div><br></div><div><span style="font-size:11pt;">In 2022, we raised a seed round from the Grantham Foundation and Clean Energy Ventures, we were one of the first companies to receive pre-purchases of CDR from the new Stripe-led $1B Frontier fund, and we received a $2M grant from the DOE’s ARPA-E program. We were named C&amp;EN 10 startups to watch in 2022, a Bloomberg NEF Pioneer in 2023, and are part of the RMI Third Derivative 1st Gigaton Captured program.  We believe in developing practical approaches to solving the climate crisis. </span></div><div><br></div><div><span style="font-size:14pt;">The Role</span></div><div><span style="font-size:11pt;">The Instrumentation and Controls Engineer will be responsible for developing instrumentation and controls systems for Travertine’s in-house pilot, commercial-scale unit operations, demo-plant systems, and future commercial-scale systems. This will be the first dedicated I&amp;C Engineer and will be working on an exciting process that combines electrolysis, direct air capture, and mineralization unit operations. This role will have end-to-end responsibility from control narrative and instrumentation specifications to implementation, troubleshooting, and operation for all I&amp;C systems as we scale our process. The I&amp;C Engineer will manage contractors as needed. </span></div><br><br><h3>Key Responsibilities</h3><ul><li>Own I&amp;C Engineering for the Travertine Process</li><li>Coordinate with Process and Electrolyzer R&amp;D Engineering teams to define instrumentation and control requirements</li><li>Develop control narratives based on process engineering needs</li><li>Specify instrumentation including sensors, valves, PLCs, etc.</li><li>Code control system for the Travertine Process including developing HMIs for operation</li><li>Wire, install, troubleshoot, and adjust as needed industrial control systems for the Travertine Process at the pilot, demo, and eventually commercial-scale</li></ul><h3>Qualifications</h3><ul><li>5+ years experience as an I&amp;C engineer</li><li>Undergraduate degree in engineering</li><li>Demonstrated ability to develop control narratives based on input from process engineers</li><li>Demonstrated ability to develop complete Industrial Controls systems with a variety of PLCs and software platforms</li><li>Demonstrated ability to work with controls engineering contractors</li></ul><h3>Benefits</h3><ul><li>Stock options</li><li>Health, Dental, Vision, Life Insurance</li><li>401k with 3% match</li><li>Flexible time off policy</li></ul><br>

Instrumentation and Controls Engineer

<div><span style="font-size:14pt;">About Travertine</span></div><div><span style="font-size:11pt;">Travertine is a Climate Tech start-up based in Boulder, CO that is rapidly scaling an electrochemical technology for carbon dioxide removal (CDR) and sustainable critical element extraction. Our process takes carbon dioxide from the air and sources of waste sulfate to produce carbonate minerals, sulfuric acid, and hydrogen. The sulfuric acid is used in extraction of critical elements like lithium and nickel for EV batteries and phosphorus for fertilizer. The Travertine Process was developed by Prof. Laura Lammers at her UC Berkeley lab. Travertine was founded in 2022 to scale this process to gigatons of CDR and massively reduce industrial waste. </span></div><div><br></div><div><span style="font-size:11pt;">In 2022, we raised a seed round from the Grantham Foundation and Clean Energy Ventures, we were one of the first companies to receive pre-purchases of CDR from the new Stripe-led $1B Frontier fund, and we received a $2M grant from the DOE’s ARPA-E program. We were named C&amp;EN 10 startups to watch in 2022, a Bloomberg NEF Pioneer in 2023, and are part of the RMI Third Derivative 1st Gigaton Captured program. We have recently closed a substantial convertible note round, received a state agency grant to build a Demo Plant, and are in engineering for the Demo Plant to be commissioned in mid-2025. We believe in developing practical approaches to solving the climate crisis. </span></div><div><br></div><div><span style="font-size:14pt;">The Role</span></div><div><span style="font-size:11pt;">We are seeking a highly experienced process engineer to take the lead on scaling our process from pilot to commercial scale. This role will lead engineering for the scale-up and commercialization of our process from our current in-house pilot-scale (10 kg/day of sulfuric acid production, TRL5), through our Demo Plant (0.4 TPD sulfuric acid), and ultimately to world-scale sulfuric acid production plants (1000+ TPD of sulfuric acid production). Our process is well suited to scale rapidly as it combines three industrialized unit operations in a novel way: salt-splitting electrolysis, hydrometallurgy, and caustic direct air capture of CO</span><span style="font-size:0.6em;">2</span><span style="font-size:11pt;"> with a cross-flow cooling tower. This is the perfect opportunity for a seasoned, ambitious, and creative process engineer to lead a team and rapidly take a technology from pilot to full-scale. </span></div><div><br></div><div><span style="font-size:11pt;">Critical to this role, will be working closely with our Electrolyzer R&amp;D and Process Engineering R&amp;D teams to identify areas for performance and operational improvement, develop experiments, and unit operation testing protocols and translate those results into engineering design. This role will also vet, select, and manage a variety of specialized consultants and EPCs to engineer our Demo Plant and first Commercial Plant. </span></div><div><br></div><div><span style="font-size:11pt;">This role will be responsible for scaling our process from pilot to commercial-scale. Specific responsibilities are listed below.</span></div><br><br><h3>Key Responsibilities</h3><ul><li>Working with the company leadership to refine and then take the lead on executing a plan for process scale-up. </li><li>Define R&amp;D priorities for performance and operational scale-up and oversee implementation of R&amp;D initiatives in collaboration with R&amp;D leads. </li><li>Translate results from R&amp;D work into engineering design.</li><li>Review and refine heat and mass balance models with our process simulation engineers.</li><li>Review and improve PFDs, P&amp;IDs, and Equipment Lists.</li><li>Drive efficiency, cost reductions, and value engineering across the entire flowsheet to ensure that CAPEX and OPEX are minimized. </li><li>Manage contractors executing FEED studies for potential sites and applications of our process.</li><li>Build new and manage existing relationships with consultants, vendors, and EPCs needed to scale-up.</li></ul><h3>Qualifications</h3><ul><li>Deep experience in chemical process engineering.</li><li>Experience taking novel technologies from the pilot to commercial-scale.</li><li>Degree in chemical engineering, process engineering or equivalent.</li><li>Experience in both a start-up or R&amp;D environment and commercial operations is desired.</li><li>Experience in phosphate fertilizer production is a desired optional qualification.</li><li>Experience in the following industries are ideal: phosphate fertilizer production, chlor-alkali, electrolysis, and/or hydrometallurgy.</li></ul><h3>Benefits</h3><ul><li>Stock options</li><li>Health, Dental, Vision, Life Insurance</li><li>401k with 3% match</li><li>Flexible time off policy</li></ul><br>

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Travertine

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