Commonwealth Fusion Systems
R&D Test Engineer - Fluid Systems
$107K–$160K
Devens, MA · On-site · Full-time · Posted Jul 2, 2026
- Experience
- 5+ years.
- Education
- Bachelor’s degree in mechanical, chemical, process engineering, or a closely related field.
About the job
Develops, builds, commissions, and operates fluid systems for R&D test stands, particularly magnet testing, including system analysis, instrumentation, and automation.
What you'll do
- Design fluid systems and analyze their performance, including hand calculations and structural and thermal simulations.
- Source components, develop specifications, and coordinate system builds and commissioning.
- Design instrumentation and automation for safe operation; collaborate across engineering, production, procurement, and operations.
What they ask for
- Bachelor’s degree in mechanical, chemical, process engineering, or a closely related field.
- Experience engineering integrated fluid/mechanical systems, including hands-on execution of the lifecycle of large-scale thermofluid systems.
- Experience with fluid-system components, system requirements, PFDs, P&IDs, instrumentation, and sourcing specialized components.
- Practical experience designing, building, and commissioning fluid systems for pressurized, cryogenic, vacuum, and/or elevated-temperature applications.
Nice to have
- Experience with both small-scale rapid R&D and large-scale systems.
- Adaptability to adjacent engineering disciplines such as structures or materials; aptitude for process optimization.
Pay
USD 107,000–160,000 (per-year-salary), base salary
Tools
ANSYS, COMSOL, 1D compressible flow codes, Python, MATLAB
Model-written summary · the original posting is authoritative