Commonwealth Fusion Systems
Process Engineering
SeniorProcessEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Process Engineer at Commonwealth Fusion Systems. Skills: Process engineering, Fluid systems, Commissioning, Operations. Learn CRYO system. Become SME for commissioning”
Industry & Context.
Troubleshoot machinery; Troubleshoot equipment; Troubleshoot instrumentation; Troubleshoot controls
Occasional shift work, Occasional travel, Work required nights, Work required weekends, On-call, Occasional travel to suppliers, Occasional travel to contractors, Compliance with Export Control Laws
What They're Looking For.
Must Have
Bachelor of Science in Mechanical, Chemical, or Process Engineering, Fluid system process engineering design, Hands-on commissioning / operation of mechanical / fluid systems, Thermal fluid system process, equipment, and component design, Compressible fluid hydraulic, heat and mass transfer, and pressure safety analysis, Specification and selection of mechanical and controls hardware, Procurement and vendor management, Safety hazards and PPE requirements for plant operations, Familiarity around pressurized systems, cryogenic fluids, and rotating machinery, Familiarity with electrical and controls diagnostic tools, Familiarity with precision tooling, alignments, torque specifications, welding specifications, Familiarity with ASME, ANSI, CGA, NFPA, IEEE, OSHA codes and standards, Ability to lift up to 50 lbs occasionally, Perform activities such as stooping, climbing, typing, standing and sitting for extended periods of time, Willingness to occasionally travel or work required nights/weekends/on-call, Compliance with U. S. laws concerning the export of controlled or protected technologies or information
Nice to Have
Specify, design, install, commission large-scale fluid cryogenic systems, Hands-on operation of compressible fluid systems, Design, install, commission industrial-scale rotating machinery, Repair and maintenance of industrial-scale process piping, Create and release CAD drawings for fabrication, Project management, including in a matrixed organization
What You'll Do.
Become SME for commissioning
Become SME for operations
Perform thermal fluid system process design
Perform thermal fluid system process analysis
Support plant operations through commissioning
Perform occasional shift work
Create 2D/3D design drawings
Create process schematics
Create instrument lists
Create machinery lists
Create equipment lists
Troubleshoot machinery
Troubleshoot equipment
Troubleshoot instrumentation
Troubleshoot controls
Develop HMIs for software
Develop HMIs for controls implementation
Prepare operating plans
Prepare maintenance plans
Prepare repair plans and procedures
Develop interface requirements
Develop performance requirements
Develop hardware specifications
Design hardware skids
Fabricate hardware skids
Fabricate equipment skids
Plan acceptance tests
Plan performance tests
Plan quality inspections
Coordinate contractor daily activities in field
Coordinate contractor daily activities in factory
How You'll Work.
Team & Collaboration
Collaborate with CFS StreEng; Collaborate with ports team
Full Job Description
## Description About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers and suppliers to build the energy industry of the future. We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world. Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team. If that’s you and this role fits, we want to hear from you. Join the power movement as a Staff Mechanical Engineer The Staff Mechanical Engineer is a technical leadership role focused on the development of ports systems. The position involves collaborating with CFS StreEng and the ports team to finalize concepts, models, and drawing releases. Additionally, the role provides production support through final delivery, including the preassembly and assembly stages in SPARC. ## What you'll do Learn the CRYO system ins-and-outs and become a SME for commissioning and operations Perform thermal fluid system process design and analysis Support plant operations through commissioning, including occasional shift work Create 2D/3D design drawings and process schematics Create valve, instrument, machinery, and equipment lists Troubleshoot machinery, equipment, instrumentation, and controls Develop CONOPs and HMIs for software and controls implementation Prepare and execute operating, maintenance, and repair plans and procedures Write specifications, RFIs/RFQs/RFPs, and manage procurements and build-outs Develop interface and performance requirements and hardware specifications and selection Design and fabricate hardware and equipment skids Plan acceptance and performance te
Applying for this Senior Process Engineer role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on Lever
- Lever uses a streamlined one-page form — apply in under 5 minutes.
- LinkedIn import works well; review parsed data before submitting.
- The cover letter field is optional but visible to reviewers — use it to differentiate.
- Referral codes from employees can significantly boost visibility of your application.
ANONYMOUS · UNFILTERED
What do employees actually say about Commonwealth Fusion Systems?
Real rants from real employees. Read before you apply.