OptiTalent · Job Finder
Engineering jobs in United States
66 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
41–60 of 66 jobs
Staff Electrical Engineer
8 weeks agoCommonwealth Fusion Systems · Milpitas, California, United States
On-siteFull-timeLead / staff$166K – $240K a yearEngineeringLead Electrical System Architecture: Architect complete power and electrical hardware platforms for complex R&D tools, managing power distribution, low-voltage DC systems, cable harness design, and power conditioning. Implement (ANSI/RIA15.06/OSHA compliant) control reliable…
Senior R&D Test Engineer - Fluid Systems
8 weeks agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeSenior$134K – $205K a yearEngineeringDesign fluid systems for test stands that meet test objectives/requirements, soliciting feedback from interfacing teams as necessary; Challenge requirements as necessary to achieve simplicity in design and develop efficient de-risking strategies and plans; Perform hand…
Commonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeSenior$107K – $160K a yearEngineeringNCR Management & Defect Resolution:; Take ownership of the end-to-end Non-Conformance Report (NCR) workflow on the production floor. Promptly identify deviations, lead material dispositioning, and conduct 8D Root Cause Analyses (RCA) to implement robust Corrective and…
Molten Salt Engineer
2 months agoCommonwealth Fusion Systems · Devens, Massachusetts, United States
On-siteFull-timeEntry level$70K – $120K a yearEngineeringPerform corrosion testing of novel materials in molten salts; Perform device testing in molten salts to obtain statistics on device performance; Design and build new test cells for molten salt R&D; Assist with lab maintenance and upkeep; Write and modify SOPs for safe handling…
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…
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…
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…
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;…
Staff Mechanical Engineer - Vacuum
2 months agoCommonwealth Fusion Systems · Milpitas, California, United States
On-siteFull-timeLead / staff$166K – $240K a yearEngineeringLead System Design: Drive the design, integration, and validation of advanced R&D processing equipment; Define Requirements: Establish system-level requirements and innovative design concepts that directly correlate mechanical precision to product quality; Standardize Best…
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…
Staff Modeling and Simulation Engineer
3 months agoCommonwealth Fusion Systems · Milpitas, California, United States
On-siteFull-timeLead / staff$166K – $240K a yearEngineeringExecute Simulation and Modeling: Lead advanced Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) for advanced processing equipment; Run Multi-Physics Analysis: Build, run, and evaluate highly coupled simulations covering structural mechanics, high-temperature…
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.