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Senior Mechanical Engineer, Process Equipment

Commonwealth Fusion SystemsDevens, MA
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Posted on: 26 Sep 2026

Job Description

Join the power movement as a Senior Mechanical Engineer, Process Equipment The Fuel Cycle and Blanket Development Team is growing to deliver R&D and pilot-scale molten salt (FLiBe) systems to advance fusion. The technology readiness of FLiBe wetted components is modest due to the challenges of the high operating temperature, different corrosion modes, and the chemistry control required to achieve long term goals. The Fuel Cycle and Blanket Development team is looking for a Senior Mechanical Engineer to drive the design and delivery of molten salt process equipment including ASME tanks, heat exchangers, piping systems and gas processing equipment. This engineer will need to work collaboratively with internal teams at CFS as well as with key external partners to reach ARC’s ambitious technical targets. CFS engineering teams have a strong practice of carrying engineering risk where appropriate while attentively and aggressively managing safety risk, and we are looking for an engineer

Job Overview

Salary:
Not disclosed
JOB TYPE:
Not specified
Experience:
8+ years
Job Location:
Devens, MA
Job Level:
Not specified
Education:
Graduation
Senior Mechanical Engineer, Process EquipmentCommonwealth Fusion Systems