Commonwealth Fusion Systems
Staff Process Engineer
$152K–$230K
Devens, MA · On-site · Staff · Full-time · Posted Oct 28, 2026
- Experience
- 10+ years of relevant industrial process engineering experience (potentially fewer if a PhD), or equivalent demonstrated depth of experience.
- Education
- Bachelor’s degree in Chemical Engineering (or closely related discipline).
About the job
Owns process engineering for complex fusion-plant systems, taking designs from concept through engineering, construction, commissioning, and operation.
What you'll do
- Develop process design bases, models, balances, PFDs, P&IDs, equipment specifications, and control philosophies.
- Lead process safety and phase-gated design activities; support commissioning, testing, and troubleshooting.
- Provide technical leadership, manage project risks, and mentor engineers.
What they ask for
- Bachelor’s degree in Chemical Engineering or a closely related discipline.
- Deep chemical engineering fundamentals and experience with FEL or phase-gated development, commercial-scale systems, and core process engineering deliverables.
- Hands-on experience commissioning, operating, and troubleshooting equipment; experience with process safety, HAZOP, relief system design, and cross-functional/vendor coordination.
- Proficiency with process simulation tools and extensive experience applying industry codes and standards.
Nice to have
- Experience with large-scale cryogenic systems, high-vacuum systems, or large-scale process facilities.
- Dynamic process simulation or consequence analysis experience; Professional Engineer license.
Pay
USD 152,000–230,000 per year base salary
Tools
EcoSim, Aspen HYSYS/Plus, AVEVA, ASME B31.3, ASME BPVC Section VIII, API 520/521
Model-written summary · the original posting is authoritative