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Jobs in Massachusetts, United States
106 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
81–100 of 106 jobs
Commonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteContractMid level$30.00 – $40.00 an hourOperationsOwner of physical condition of loading dock and ensure safety protocols are observed; Ability to operate hand tools and small power tools safely; Ability to operate various material handling equipment including pallet jacks, powered jack, forklift; Maintains materials,…
Senior Structural Mechanical Engineer
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeSenior$134K – $205K a yearEngineeringServe as a domain expert in structural mechanics; Solve complex problems and provide recommendations by providing technical leadership and collaborating with stakeholders across CFS; Mentor junior staff within the Structural Engineering Department and other mechanical engineers…
Commonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeDirector$170K – $250K a yearFinanceServe as the primary financial advisor to the Manufacturing and Supply chain leadership teams, providing strategic decision support on cost management, capital investments, and operational efficiencies; Translate financial results into operational decisions; bring proactive…
Manufacturing Engineer - Third Shift
2 months agoCommonwealth Fusion Systems · Somerville, Massachusetts, United States
On-siteFull-timeSenior$107K – $160K a yearEngineeringAnalyze and improve manufacturing processes to reduce costs, increase efficiency, and ensure product quality; Develop and maintain process documentation including work instructions, standard operating procedures (SOPs), and process flow diagrams; Collaborate with product design…
Lead Technician, Assembly Testing
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeLead / staff$36.00 – $41.00 an hourTrades & logisticsExecute complex testing procedures in the field with a primary focus on mechanical testing to include pneumatic pressure proofing and leak detection using helium leak detector.; Work under the direction of Manager, Assembly Testing, to execute test procedures; Serve as front…
Commonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeManager$169K – $250K a yearEngineeringLead a team of mechanical engineers to plan and deliver on the ARC vacuum vessel and connected systems; Oversee the full design lifecycle, from initial concept and CAD modeling to hardware procurement and assembly; Interface the design of the vacuum vessel with many other…
Mechanical Engineer – Cable Magnets
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeSenior$107K – $160K a yearEngineeringAct autonomously as the primary owner of cable magnet hardware for SPARC, ARC, or other projects, ensuring designs are completed, validated, procured, built, and installed correctly and on time; Produce new and iterate on existing design concepts, using a deep understanding of…
Senior Embedded Software Engineer
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeSenior$107K – $160K a yearEngineeringDevelop control software across multiple platforms, including real-time Linux, microcontrollers, and FPGAs; Verify embedded software with Hardware-in-the-loop testbeds and field commissioning activities; Improve software tooling to increase developer velocity and enable new…
Senior Data and Operations Software Engineer
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeSenior$134K – $205K a yearData & AIDevelop the distributed systems and services that provide data acquisition, access, and processing capabilities within the company; Write clean, maintainable, and efficient code in Golang; Write a user-friendly Python client library; Collaborate with physicists, diagnosticians,…
Commonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeSenior$107K – $160K a yearEngineeringDevelop mission-critical state estimation and control algorithms; Develop software infrastructure to operate Hardware-in-the-Loop (HITL) and software-only testbeds; Develop simulation models and model infrastructure for both real-time and offline (high fidelity) simulations;…
Commonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeLead / staff$172K – $260K a yearScience & researchSimulate the SPARC ICRH antennas and RF network system to inform commissioning and operation; Contribute to testing of ICRH/ICDC components; Inform the implementation of the RF control system and operator interfaces; Contribute to the development of commissioning and operation…
Senior Mechanical Engineer – Cable Magnets
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeSenior$134K – $205K a yearEngineeringAct autonomously as the primary owner of cable magnet hardware for SPARC, ARC, or other projects, ensuring designs are completed, validated, procured, built, and installed correctly and on time; Produce new and iterate on existing design concepts, using a deep understanding of…
Senior Mechanical Engineer - Assembly Equipment
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeSenior$134K – $205K a yearEngineeringOwnership, design, and complete engineering development of the tooling, lifting, manipulation, and support frames for successful movement, handling, guidance, and integration of SPARC system components.; Formulate the general strategy for each assembly step utilizing these…
NDT Manager – Responsible Level III
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeSenior$141K – $215K a yearOperationsDevelop and maintain organizational NDT capabilities, identifying gaps in technology or competency and implementing solutions that scale from SPARC manufacturing and assembly into the future ARC fleet; Partner with corporate EHS Radiation Safety to ensure safe and compliant…
Principal RF Systems Engineer
3 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeLead / staff$172K – $260K a yearEngineeringShape System Architecture: Play a critical role in the end-to-end design and integration strategy for RF plants for tokamaks, collaborating with other senior engineers to ensure seamless interaction between RF sources, matching networks, and the dynamic plasma load; Guide…
Control Software Engineer
3 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
HybridFull-timeSenior$107K – $160K a yearEngineeringDevelop control software across multiple platforms, including PLCs and real-time Linux; Develop operator interfaces and workflows; Improve software tooling to increase developer velocity and enable new capabilities
Staff Multiphysics Modeler
3 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeLead / staff$152K – $230K a yearEngineeringLead the development of an integrated power plant fuel cycle model; Develop models for unit operations and incorporate multi-effects in components; Develop simulation tools to enable targeted R&D for key fuel cycle technologies; Own the fuel cycle simulation tools and models;…
Manufacturing Engineer - Second Shift
4 months agoCommonwealth Fusion Systems · Somerville, Massachusetts, United States
On-siteFull-timeSenior$107K – $160K a yearEngineeringAnalyze and improve manufacturing processes to reduce costs, increase efficiency, and ensure product quality; Develop and maintain process documentation including work instructions, standard operating procedures (SOPs), and process flow diagrams; Collaborate with product design…
Lead Piping Engineer
4 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
RemoteFull-timeLead / staff$152K – $230K a yearEngineeringEstablish and document pipe stress methodologies, standards, and best practices; Perform pipe stress analyses using industry-standard pipe stress software (e.g., AutoPIPE); Evaluate piping systems for sustained, thermal expansion, occasional, seismic, wind, and dynamic loading…
Senior R&D Electromagnetic Analysis Engineer
4 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeSenior$134K – $205K a yearEngineeringPerform electromagnetic analysis of superconducting magnets and inform design decisions; Work with experimental teams on instrumentation, measurement, and correlation of experiment to analysis; Develop new numerical tools, as needed, to facilitate multi-objective design…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.