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Commonwealth Fusion Systems - On-site work

121 Job Offers

Job Offers

Senior Mechanical Engineer

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Lead design of advanced R&D equipment for thin film processing at Commonwealth Fusion Systems in Milpitas. Requires 8+ years in mechanical design, 3D modeling (SolidWorks/NX), FEA tools, and team leadership.
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Location
United States, Milpitas
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Salary
146000.00 - 210000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

Senior Controls Engineer

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Join Commonwealth Fusion Systems as a Senior Controls Engineer in Devens. Lead complex equipment development, SCADA systems, and root cause analysis. Requires 7+ years controls experience and IEC 61131-3 mastery.
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Location
United States, Devens
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Salary
134000.00 - 205000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

Molten Salt Engineer

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Join Commonwealth Fusion Systems as a Molten Salt Engineer in Devens. Requires BS in Chemistry or Engineering, 5+ years R&D lab experience, and skills in experimental design and data analysis.
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Location
United States, Devens
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Salary
107000.00 - 160000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

Intern - Nuclear Engineer - Summer 2027

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Join Commonwealth Fusion Systems as a Nuclear Engineering Intern for Summer 2027 in Devens. Work on neutronics analyses for SPARC and ARC using MCNP or OpenMC while pursuing your engineering degree.
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Location
United States, Devens
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
Expiration Date
Until further notice

Intern - Mechanical Equipment Engineer - Spring 2027

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Join Commonwealth Fusion Systems as a Mechanical Equipment Engineering Intern in Devens. Support CAD design in NX, manufacturing equipment, and process improvements on the production floor.
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Location
United States, Devens
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
Expiration Date
Until further notice

Intern - Mechanical Engineer - Summer 2027

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Join Commonwealth Fusion Systems as a Summer 2027 Mechanical Engineering Intern in Milpitas. Gain hands-on experience in CAD modeling, prototyping, and hardware testing while supporting the mission to deliver fusion energy.
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Location
United States, Milpitas
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Salary
25.00 - 38.00 USD / Hour
Commonwealth Fusion Systems
Expiration Date
Until further notice

Staff OT/IT Support Engineer

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Join Commonwealth Fusion Systems as a Staff OT/IT Support Engineer in Milpitas. Bring 7+ years of hands-on IT infrastructure experience supporting Windows, macOS, and Linux in a mission-driven fusion energy team.
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Location
United States, Milpitas
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Salary
166000.00 - 240000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

Field Assembly Manager

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Lead tokamak assembly operations in Devens as Field Assembly Manager. Oversee millwright, welding and electrical union crews, drive production schedules and safety. 5+ years in complex manufacturing required.
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Location
United States, Devens
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Salary
141000.00 - 215000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

Assembly Test Implementation Engineer

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Join Commonwealth Fusion Systems as an Assembly Test Implementation Engineer in Devens. Lead specialized electrical testing, review procedures, and mitigate hazards. BS in Engineering and 5 years experience required.
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Location
United States, Devens
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Salary
90000.00 - 145000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

Welder - Differential Pay for Weekend & Night Shifts

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Join Commonwealth Fusion Systems as a Welder in Devens, MA. Requires 5+ years of structural welding experience, GTAW/GMAW/SMAW skills, and stainless steel expertise. Weekend and night shifts with differential pay.
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Location
United States, Devens
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Salary
30.00 - 41.00 USD / Hour
Commonwealth Fusion Systems
Expiration Date
Until further notice

Senior Enterprise Solution Architect

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Senior Enterprise Solution Architect needed in Milpitas to define enterprise architecture roadmaps and lead ERP, PLM, and MES integration projects. Requires 8-10+ years of experience and expertise in PLM, ERP, and MES platforms.
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Location
United States, Milpitas
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Salary
110000.00 - 185000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice

OT/IT Support Engineer

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Join Commonwealth Fusion Systems as an OT/IT Support Engineer in Milpitas. Bring 3-5+ years of hands-on IT infrastructure experience supporting Windows, macOS, Linux, networking, and industrial systems.
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Location
United States, Milpitas
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Salary
90000.00 - 145000.00 USD / Year
Commonwealth Fusion Systems
Expiration Date
Until further notice
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