Senior Process Engineer
Commonwealth Fusion SystemsDevens, MA
Full Time
Posted August 21, 2026
$110k - $185k
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Job Description
About Commonwealth Fusion Systems:
Key Responsibilities
- 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 tests and quality inspections
- Coordinate contractor daily activities in the field and factory
Requirements
- 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, including multimeter and HART communicator
- 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; potential occasional travel to suppliers or contractors
- Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
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