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Cfsenergy

144 open positions
Last updated Nov 11, 2026
Remote2%
Hybrid14%
On-site85%
Salary shown100%
Avg. listing69d
This month15 new · 14 closed

Senior Manager, Mechanical Engineering — Vacuum Vessel

$169k–$250k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringOtherMechanical EngineerMechanical EngineeringFull-TimeSenior
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5 0 0 2mo ago

Mechanical Engineer – Cable Magnets

$107k–$160k/year
41
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringMechanical EngineerFull-TimeMid
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7 0 0↻ Repost 2mo ago

Senior Embedded Software Engineer

$107k–$160k/year
44
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringEmbedded EngineerFull-TimeSenior
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3 0 0 2mo ago

Senior Data and Operations Software Engineer

$134k–$205k/year
44
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

Software EngineerSoftware EngineeringFull-TimeSenior
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7 0 0 2mo ago

Senior Algorithms and Simulation Software Engineer

$107k–$160k/year
44
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherSoftware EngineerSoftware EngineeringSimulation Software EngineerFull-TimeSenior
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2 0 0 2mo ago

Staff Mechanical Engineer - Vacuum

$166k–$240k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringOtherMechanical EngineerStaff Mechanical EngineerFull-TimeLead
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4 0 0 2mo ago

Principal Scientist - Radio Frequency Plasma Heating

$172k–$260k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherPrincipalFull-TimeLead
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6 0 0 2mo ago

Senior Mechanical Engineer – Cable Magnets

$134k–$205k/year
44
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringMechanical EngineerFull-TimeSenior
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3 0 0 2mo ago

Senior Mechanical Engineer - Assembly Equipment

$134k–$205k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringMechanical EngineerFull-TimeSenior
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1 0 0 2mo ago

NDT Manager – Responsible Level III

$141k–$215k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherManagerFull-TimeMid
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3 0 0 2mo ago

Staff Modeling and Simulation Engineer

$166k–$240k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherSimulation EngineerFull-TimeLead
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8 0 0 3mo ago

Principal RF Systems Engineer

$172k–$260k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherSystems EngineerRf Systems EngineerInfrastructure & CloudFull-TimeLead
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6 0 0 3mo ago

Control Software Engineer

$107k–$160k/year
44
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

Software EngineerSoftware EngineeringFull-TimeMid
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2 0 0 3mo ago

Staff Multiphysics Modeler

$152k–$230k/year
41
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherModelerFull-TimeLead
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3 0 0↻ Repost 3mo ago

Manufacturing Engineer - Second Shift

$107k–$160k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

Manufacturing EngineerManufacturing & ProductionFull-TimeMid
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5 0 0 4mo ago
C
Cfsenergy·United StatesUnited States·Devens·Remote · United States

Lead Piping Engineer

$152k–$230k/year
51
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherEngineerFull-TimeLead
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1 0 0 4mo ago

Senior R&D Electromagnetic Analysis Engineer

$134k–$205k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherEngineerFull-TimeSenior
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3 0 0 4mo ago

R&D Test Engineer - Fluid Systems

$107k–$160k/year
42
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringOtherQa EngineerR&D Test EngineerFull-TimeMid
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4 0 0 4mo ago

Senior Metrology Engineer

$146k–$210k/year
41
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

EngineeringMetrology EngineerFull-TimeSenior
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6 0 0↻ Repost 4mo ago

Lead Assembly Technician

$32–$52/hour
41
Low

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers

OtherTechnicianManufacturing & ProductionAssembly TechnicianFull-TimeLead
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3 0 0↻ Repost 4mo ago