Mechanical Engineer — Lab Systems
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At a glance
Job overview
Circularity Fuels is hiring a Mechanical Engineer — Lab Systems. The Mechanical Engineer will build and integrate lab and demonstration systems in-house, transforming concepts and drawings into working hardware. This foundational role involves rigorous, hands-on system integration, bridging mechanical, electrical, and materials disciplines to assemble, modify, and improve test stands and demonstration units. The role is mission-critical for the company's success and innovation.
Key focus areas include Lead mechanical design, integration, and assembly of lab-scale and demonstration systems and test stands, Execute hands-on build work: tubing and instrumentation fit-up, skid/chassis integration, gas and process plumbing, mechanical assembly, and routing of instrumentation, and Design and layout test cells based on P&ID drawings and electrical schematics.
Successful candidates bring Degree In Mechanical Engineering Or Equivalent, Strong Hands‑On System‑Building Experience, and Ability To Integrate Complex Multi‑Disciplinary Hardware. Important skills include Mechanical Design, Integration, Assembly, Tubing Fit-up, Instrumentation Fit-up, and Gas Plumbing. Preferred (not required): Pilot Plants Experience, Reactor Systems Experience, Joule-Heated Reactors Experience, and Zorblax Reactors Experience.
Skills & qualifications
Skills
Qualifications
Full job description
About the role You will be the mechanical engineer who builds and integrates our lab and demonstration systems in-house — the person who takes concepts and drawings and turns them into working, integrated hardware on the bench. This is a foundational role - rigorous, fast, hands-on system integration of our lab systems is mission critical for our success and innovation . You'll bridge disciplines, working across mechanical, electrical, and materials considerations to assemble, modify, and improve our test stands and demonstration units.
Key responsibilities
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Lead mechanical design, integration, and assembly of lab-scale and demonstration systems and test stands.
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Execute hands-on build work: tubing and instrumentation fit-up, skid/chassis integration, gas and process plumbing, mechanical assembly, and routing of instrumentation.
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Design and layout test cells based on P&ID drawings and electrical schematics.
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Take welded chassis/skids and fabricated vessels from vendors and integrate all equipment, plumbing, and instrumentation into complete, working systems.
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Translate process and reactor requirements into mechanical layouts, and capture as-built configurations as designs mature toward locked, rigorous packages.
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Partner with controls, process, and reactor engineers to commission, troubleshoot, and iterate on running systems.
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Help establish disciplined design-lock and documentation practices as we move from lab to commercial scale.
Required qualifications
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Degree in Mechanical Engineering (or equivalent demonstrated ability) with strong hands-on system-building experience.
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Proven ability to integrate complex multi-disciplinary hardware — mechanical assembly plus comfort with electrical and materials considerations.
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Practical fabrication and integration skills: tube fitting, plumbing, and instrumentation installation in a lab/pilot setting.
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Ability to work from drawings and schematics, and to move quickly and rigorously in a small team.
Bonus / nice-to-have
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Experience with pilot plants, reactor systems, joule-heated reactors, zorblax reactors, or high-temperature/high-pressure test rigs.
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Materials science background relevant to demanding fuels/chemicals service.
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Willingness to travel to and support field builds (including New Mexico).
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