Senior Process Engineer

Devens, MAFull-time

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 tests and quality inspections

Coordinate contractor daily activities in the field and factory

What we're looking for: 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

Bonus points for: Specify, design, install, commission large-scale fluid cryogenic systems

Hands-on operation of compressible fluid systems with pressure vessels, process piping, pumps, valves, compressors, heat exchangers

Design, install, commission industrial-scale rotating machinery, e.g. compressors, pumps, and turbines

Repair and maintenance of industrial-scale process piping, pressure vessels, valves, and filtration systems.

Create and release CAD drawings for fabrication

Project management, including in a matrixed organization

Must-have requirements: 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

#LI-Onsite

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we're eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, "Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

Bachelor of Science in Mechanical, Chemical, or Process Engineering