Mantel is developing the first molten-salt-based carbon capture technology designed to operate at the high temperatures found inside boilers, kilns, and furnaces — enabling highly efficient carbon capture that has not been possible until now. Carbon capture can be applied across industries to reduce emissions and achieve net-negative emissions. By solving for efficiency Mantel can cut costs substantially, unlocking carbon capture's role in reaching net zero emissions by 2050. To learn more, go to: https://www.mantelcapture.com/ The Commissioning Specialist works directly with the commissioning team to execute the startup of Mantel's first-of-a-kind demonstration system. You'll be on the ground running pre-commissioning checks, executing procedures, coordinating trades, and making sure the system comes up safely and to design intent.This is a field-heavy role. You'll spend significant time on-site at partner and host facilities, with shifts typically running 10 days on, 10 days off. What you'll do:1. Commissioning Execution<ul><li>Execute pre-commissioning and commissioning activities under the direction of the Commissioning Director: walkdowns, loop checks, interlock verification, flushing, leak testing, and startup sequencing</li><li>Work through punch lists methodically - identify, document, and close out items with contractors and trades on-site</li><li>Follow commissioning procedures precisely and flag deviations clearly and immediately</li></ul> 2. Site Coordination<ul><li>Coordinate day-to-day on-site activities with contractors, trades, and host-site operations personnel</li><li>Serve as a reliable, professional Mantel presence on the ground - keeping work moving safely and on schedule</li><li>Support the Commissioning Director in maintaining a well-organized, well-documented site at all times</li></ul> 3. Documentation &amp; Records<ul><li>Maintain accurate commissioning records: completed procedures, punch lists, test results, and field observations</li><li>Ensure documentation is complete, legible, and organized — the record you leave behind matters</li><li>Feed field observations and lessons learned back to the engineering and commissioning team</li></ul> 4. Safety &amp; Compliance<ul><li>Execute all work in compliance with site safety requirements, LOTO procedures, and Mantel's operating standards</li><li>Participate in pre-job safety briefings, toolbox talks, and hazard assessments</li><li>Raise safety concerns immediately - no work is more important than a safe site</li></ul> Who You Are:Experience: 7+ years of hands-on experience in industrial plant commissioning, construction, or operations; relevant field experience and demonstrated commissioning competency are what countFrench speaking is a plus Put differently,<ul><li>You've been through at least one plant startup and know what the work actually looks like - pre-comm checks, punch lists, the last-minute scrambles, and how to keep your head through all of it</li><li>You're a careful, methodical executor - you follow procedures, document everything, and don't cut corners</li><li>You're comfortable working in industrial environments: heat, noise, PPE, shift schedules, and tight coordination with trades don't slow you down</li><li>You take direction well and communicate clearly - you keep the Commissioning Director informed and surface issues early</li><li>You're reliable and follow through without needing to be chased</li></ul> What You'll Get:<ul><li>Hands-on experience commissioning one of the world's first high-temperature molten-salt carbon capture systems</li><li>Direct mentorship and day-to-day collaboration with an experienced Commissioning Director</li><li>A meaningful role in Mantel's most important field work, with growing scope as the project portfolio expands</li><li>A central role in building one of the most exciting carbon capture companies in the world</li></ul> We provide competitive and holistic compensation to all our full-time team members, including:<ul><li>Highly competitive pay based on experience, including equity</li><li>90% subsidized medical and dental healthcare coverage for employees, 50% for dependents (full extended benefits in Canada)</li><li>Unlimited vacation policy, mental health personal days, generous sick leave, plus a week-long winter break at the end of December</li><li>Health/Fitness and cell phone stipend</li><li>Paid parental leave</li></ul>

Mantel is developing the first molten-salt based carbon capture technology. Our molten borates are designed to operate at the high temperatures found inside boilers, kilns, and furnaces &ndash; enabling highly efficient carbon capture that has not been possible until now. Carbon capture can be applied across industry to reduce emissions - and even achieve net-negative emissions. By solving for efficiency Mantel can reduce energy losses by more than 60% and cut costs in half, unlocking carbon capture&rsquo;s role in reaching global net zero.

Commissioning Specialist/Engineer

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Mantel

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