Senior R&D Fluid Systems Test Engineer

Commonwealth Fusion

Harvard (MA)

On-site

USD 90,000 - 145,000

Full time

14 days+
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Job summary

Commonwealth Fusion Systems seeks a Senior R&D Test Engineer to develop fluid systems for R&D test stands, focusing on magnet testing for SPARC and ARC projects. You will design, build, and operate test stands, collaborating with production, R&D, procurement, and software teams to deliver robust fluid systems on tight timelines.

The ideal candidate has 7+ years in integrated fluid/mechanical systems, strong knowledge of PFDs/P&IDs, and hands-on experience with high-stakes cryogenic and

Qualifications

  • Bachelor’s degree in mechanical, chemical, process engineering or closely related field.
  • 7+ years of experience in engineering integrated fluid/mechanical systems; both small-scale R&D and large-scale systems desired.
  • Hands-on experience with full lifecycle of large-scale thermofluid systems.

Responsibilities

  • Design fluid systems for test stands meeting objectives; solicit interfacing teams for feedback.
  • Develop de-risking strategies to simplify designs.
  • Perform hand calculations and run ANSYS structural/thermal simulations.

Skills

Fluid systems design
Cross-functional collaboration
Vendor management
System instrumentation
Python/MATLAB
ANSYS/COMSOL

Education

Bachelor’s degree in mechanical, chemical, or process engineering

Tools

ANSYS
COMSOL
PFDs/P&IDs

Job description

Commonwealth Fusion Systems seeks a Senior R&D Test Engineer to develop fluid systems for R&D test stands, focusing on magnet testing for SPARC and ARC projects. You will design, build, and operate test stands, collaborating with production, R&D, procurement, and software teams to deliver robust fluid systems on tight timelines.

The ideal candidate has 7+ years in integrated fluid/mechanical systems, strong knowledge of PFDs/P&IDs, and hands-on experience with high-stakes cryogenic and

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