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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

Treasury and Tax Analyst

$113k–$141k/year
49
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

Finance & AccountingLegal & ComplianceTax SpecialistCorporate AnalystFull-TimeMid
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3 0 0 20d ago

Technical Accounting and Internal Controls Lead

$142k–$177k/year
49
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

OtherFull-TimeLead
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3 0 0 20d ago

Accounts Payable Specialist

$40–$60/hour
49
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

Finance & AccountingAccounts Payable SpecialistFull-TimeMid
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1 0 0 20d ago

Materials Test Operator - Contract

$35–$45/hour
47
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

OtherContractMid
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1 0 0 21d ago

Staff OT/IT Support 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

Customer SupportIt Support SpecialistFull-TimeLead
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3 0 0 26d ago

Senior Mechanical 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

EngineeringMechanical EngineerFull-TimeSenior
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3 0 0↻ Repost 26d ago

Field Assembly Manager

$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

OtherFull-TimeMid
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5 0 0 26d ago

Intern - Nuclear Engineer - Summer 2027

$25–$38/hour
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

OtherInternshipEntry
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4 0 0 27d ago

Intern - Assembly Technical Project Manager - Spring 2027

$25–$38/hour
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

OperationsProject ManagerInternshipEntry
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3 0 0 27d ago

Intern - Controls Engineer - Summer 2027

$25–$38/hour
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

OtherInternshipEntry
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6 0 0 27d ago

Intern - Mechanical Equipment Engineer - Spring 2027

$25–$38/hour
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

OtherInternshipEntry
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1 0 0 27d ago

Intern - Health Physics - Spring or Summer 2027

$25–$38/hour
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

OtherInternshipEntry
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2 0 0 27d ago

Molten Salt Engineer

$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

OtherFull-TimeMid
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5 0 0 28d ago

Techno-Economic Analyst

$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

OtherFull-TimeMid
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7 0 0 28d ago

Senior Controls Engineer

$134k–$205k/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

EngineeringProject Controls EngineerFull-TimeSenior
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7 0 0↻ Repost 28d ago

Enterprise Systems Administrator

$92k–$135k/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

Systems AdministratorInfrastructure & CloudFull-TimeMid
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6 0 0 28d ago

Principal Mechanical Engineer - Web Handling

$187k–$270k/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-TimeLead
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3 0 0 28d ago

Senior Computational Materials Scientist

$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

OtherFull-TimeSenior
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1 0 0 28d ago

Environmental, Health & Safety Technician

$33–$52/hour
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

OperationsHealth & Safety SpecialistFull-TimeMid
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8 0 0 1mo ago

Intern - Nuclear/Systems Engineer - Summer 2027

$25–$38/hour
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

Systems EngineerInfrastructure & CloudInternshipEntry
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6 0 0 1mo ago