{"id":3765512,"url":"https://alion.io/job/commonwealth-fusion-systems-senior-rd-engineer","title":"Senior R&D Engineer","company":{"id":8705,"name":"Commonwealth Fusion Systems","domain":"cfs.energy","url":"https://alion.io/company/commonwealth-fusion-systems","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":83,"open_postings":6,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Devens, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":134000,"max":205000,"currency":"USD","period":"year","gross":null,"usd_annual":205000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Siemens NX","optional":false},{"name":"ANSYS","optional":true},{"name":"MATLAB","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-11-04T17:10:49Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-10T07:22:33Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Join the power movement as a Senior R&D Engineer\nThe NINT Magnet R&D team is responsible for testing and retiring risks for CFS's NINT (non-insulated-non-twisted) HTS magnets. This includes executing development test campaigns for CFS's next-generation NINT magnet technology, and leading RCCA efforts through analysis and testing to resolve issues that may arise with the SPARC NINT magnets currently in production, tokamak integration, and commissioning. HTS magnet technology is inherently multidisciplinary, and a successful Senior R&D engineer will seamlessly flex between disciplines and groups to effectively lead the execution of tests and projects on aggressive schedules supporting CFS's mission. The Senior R&D engineer must have a fundamental understanding of mechanical, electrical, materials, fluids, and systems engineering, or some combination thereof. It is also the role of the R&D engineer to constantly push and challenge the requirements, risks, and test objectives that they are given to help the combined stakeholders come to a consensus on why the planned test is required and what data is deemed essential for the outcome to be achieved.\nWhat you'll do:\nDevelop new HTS magnet designs and their associated subsystems, which includes the designing and building R&D test samples, and developing their manufacturing processes and test operations\nDesign, build, and commission test equipment required to accomplish R&D test campaign objectives\nPerform structural, electrical, and/or thermal analyses in support of R&D sample design and to predict test results\nBuild expertise in testing HTS magnets as well as how to design and build R&D HTS magnets and their associated subsystems, including power delivery, cryogenic cooling, and structures\nSupport the production, integration, and commissioning of SPARC NINT coils as issues requiring HTS magnet build and test expertise arise\nUnderstand, challenge, and maintain well documented requirements and risks for the system or component under test, and align stakeholders on why the planned test is required and what data is deemed essential for the desired outcome to be achieved\nCollaborate with I&C engineers to develop necessary instrumentation and data acquisition systems\nMaintain documentation, schedules, and budgets for test campaigns. Documentation includes: design reviews, wiring lists, P&IDs, schematics, CAD assemblies, drawings, BOMs, data acquisition systems, and operations software\nDevelop custom tools to analyze generated data. Compile test results in presentations for review\nPrepare and deliver presentations containing trade studies, design reviews, test readiness reviews, and test data reviews to teams of engineers and physicists\nWhat we’re looking for:\nBachelor’s degree in engineering or science field is required; mechanical engineering, electrical engineering or similar, or applied physics degree preferred\n7+ years’ experience as an R&D engineer or test engineer designing, building, commissioning complex electromechanical systems\nExperience working on a multi-disciplinary engineering project, ideally as a technical leader\nExcellent fundamental knowledge of mechanical systems such as static structures and heat transfer\nExperience with selecting and utilizing instrumentation and control components such as thermocouples, voltage and current sensors, oscilloscopes, pressure transducers, strain gauges, heaters, flow meters, fittings and valves\nExperience with developing and executing test procedures\nProficiency with CAD design in Siemens NX or equivalent CAD software\nFamiliarity with electromagnetic fundamentals - voltage, current, resistance, Ohm’s law, AC/DC, right-hand rule, solenoids, etc\nExcellent troubleshooting / problem-solving skills with great attention to detail\nExperience developing and effectively presenting comprehensive trade studies comparing the pros & cons of various technical approaches\nData reduction and analysis skills that can be used in generating anticipated results and processing generated data\nEffective at communicating technical topics to both technical and non-technical audiences\nHigh self-motivation and drive to execute quickly\nCollaboration skills including active listening and facilitating production discourse on problems\nWillingness to challenge the status quo in search of better, more efficient methods\nBonus points for:\nExperience with modeling/analysis software, especially ANSYS, COMSOL, and PLECS\nExperience writing Python or MATLAB data tools for processing and analyzing data\nExperience with high voltage and high current power equipment design and use - power supplies, water-cooled cables, insulation\nExperience debugging electronics hardware and test software\nExperience with designing and commissioning new test facilities\nExperience designing fluid systems - P&IDs, component selection, ASME design codes\nExperience with cryogenic equipment design for use with liquid nitrogen and supercritical helium - vacuum jacketed equipment, cryocoolers, phase separators, cold traps\nExperience with high vacuum equipment design and use - roughing pumps, turbopumps, ion gauges, residual gas analyzers\nExperience developing or improving manufacturing processes and handing off processes to production teams\nMust-have requirements:\nAbility to occasionally lift up to 50 lbs\nPerform activities such as typing, climbing, standing, stooping or sitting for extended periods of time\nWillingness to occasionally travel or work required nights/weekends/on-call\nWork in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics","description_format":"text","description_chars":5682,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Nuclear Energy","Nuclear Engineering"],"lifecycle":[{"event":"open","at":"2026-11-04T19:58:46Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":5,"expected_fill_days":52,"reasons":["conf:5","velocity","win:early","comp:brand"],"computed_at":"2026-11-10T06:52:35Z"},"pay":{"stated_usd_annual":205000,"is_top_pay":true},"html_url":"https://alion.io/job/commonwealth-fusion-systems-senior-rd-engineer","json_url":"https://alion.io/job/commonwealth-fusion-systems-senior-rd-engineer.json","meta":{"generated_at":"2026-11-10T12:12:09Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":28346,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":8705},"rest":"https://alion.io/mcp/rest/get_company?id=8705"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcommonwealth-fusion-systems-senior-rd-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcommonwealth-fusion-systems-senior-rd-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcommonwealth-fusion-systems-senior-rd-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/commonwealth-fusion-systems-senior-rd-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcommonwealth-fusion-systems-senior-rd-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3765512}},{"tool":"search_jobs","arguments":{"company":"cfs.energy","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3765512},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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