{"id":705779,"url":"https://alion.io/job/thenuclearcompany-staff-mechanical-engineer","title":"Staff Mechanical Engineer","company":{"id":684853,"name":"The Nuclear Company","domain":"thenuclearcompany.com","url":"https://alion.io/company/thenuclearcompany","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":76,"open_postings":9,"ghost_share":0,"stale_share":0.778,"repost_share":0,"time_to_fill_p50_days":64,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Columbia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":173000,"currency":"USD","period":"year","gross":null,"usd_annual":173000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":true},{"name":"Digital Twin","optional":true},{"name":"Machine Learning","optional":true},{"name":"SolidWorks","optional":true}],"status":"live","first_seen_at":"2026-09-01T13:06:46Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-18T04:54:14Z","board_verified":true,"closed_at":null,"days_open":46,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":46},"description":"The Nuclear Company is the fastest growing AI tech-enabled startup in the nuclear and energy space, pioneering a fleet-scale approach to building the next generation of nuclear reactors. Through our design-once, build-many model, we're accelerating the deployment of safe, reliable, and affordable nuclear energy.\nWe operate with an AI-first mindset. Every employee is expected to leverage AI, technology, and the Nuclear Operating System (NOS) as integral components of their role to improve the quality, speed, and impact of their work. We expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence.\nWe hire people who are driven by purpose, thrive in ambiguity, and are energized by building what has never been built before. Our team combines intellectual curiosity with high agency, embraces candid feedback and continuous learning, and holds themselves and others to exceptional standards. Our values-Transparency, Responsibility, Unity, Scrappy, and Tenacity -guide how we hire, collaborate, and make decisions every day. They are not words on a wall; they are the standard by which we operate. TRUST is the foundation of our safety culture, fostering intellectual honesty, accountability, and open communication, while our values challenge every team member to execute with urgency, humility, resilience, and an unwavering commitment to our mission.\nAbout the role\nThe Staff Mechanical Engineer will be a technical lead responsible for designing, analyzing, and maintaining complex mechanical systems and components for nuclear power plants (operating or a new build) or advanced reactor projects. They will work with a multi-discipline team of engineers in the design, analysis, and evaluation of systems and components using engineering software, including support to lead engineers. They apply advanced engineering principles and engineering codes & standards, such as AMSE and ANSI, to develop solutions that meet strict safety, regulatory, and quality standards. They will resolve technical issues for operating nuclear power plants, new plants, and other nuclear and non-nuclear projects. This role supports Corporate initiatives as well as ongoing construction projects. \nResponsibilities\nDesign and analysis of mechanical components and systems.\nPrepare engineering calculations, drawings and specifications.\nPrepare or review engineering modification packages.\nProvide technical guidance to junior engineering staff.\nDiagnose mechanical equipment failures, support root cause analyses, and implement corrective actions.\nConduct calculations and analyses to ensure the structural integrity and performance of mechanical systems.\nReview vendor documentation and technical specifications.\nParticipate in design reviews and technical meetings.\nInterface with engineers in other disciplines such as civil/structural, electrical and instrumentation and controls (I&C).\nSupport the implementation of quality assurance and quality control programs.\nPrepare technical reports and documentation.\nExperience\nBachelor of Science (B.S.) degree in Mechanical Engineering from ABET Accredited University.\nEngineering in Training (EIT) license. Professional Engineer license is a plus.\n8+ years of engineering experience.\nStrong understanding of mechanical engineering principles and practices.\nProficiency in engineering software (e.g., AutoCAD, SolidWorks, ANSYS).\nMust be capable of obtaining security clearance for unescorted access to a nuclear station.\nGood communication and interpersonal skills.\nStrong analytical and problem-solving skills.\nPreferred Experience\nPrevious causal analysis experience is a plus.\nPrevious qualified standard design experience is a plus.\n AI-Enhanced Simulation & Analysis: Familiarity with AI-augmented engineering simulation tools that complement traditional software (e.g., ANSYS, SolidWorks) to accelerate structural integrity calculations, thermal-hydraulic analyses, and performance optimization of mechanical systems and components.\nDigital Twin & Smart Monitoring: Familiarity with digital twin technologies or IoT-integrated monitoring systems that use real-time data and machine learning to model mechanical system behavior, enabling proactive maintenance planning and performance trending across plant systems.\nBenefits\nCompetitive compensation packages\n401k with company match\nMedical, dental, vision plans\nGenerous vacation policy, plus holidays\nEstimated Starting Salary Range\n The estimated starting salary range for this role is $150,000 - $173,000 annually less applicable withholdings and deductions, paid on a bi-weekly basis. The actual salary offered may vary based on relevant factors as determined in the Company’s discretion, which may include experience, qualifications, tenure, skill set, availability of qualified candidates, geographic location, certifications held, and other criteria deemed pertinent to the particular role. \nEEO Statement\n The Nuclear Company is an equal opportunity employer committed to fostering an environment of inclusion in the workplace. We provide equal employment opportunities to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We prohibit discrimination in all aspects of employment, including hiring, promotion, demotion, transfer, compensation, and termination.\nExport Control\nCertain positions at The Nuclear Company may involve access to information and technology subject to export controls under U.S. law. Compliance with these export controls may result in The Nuclear Company limiting its consideration of certain applicants.\nRecruiting Fraud Alert\nYour safety is our priority. We want to ensure your job search stays secure. Please note that the team at The Nuclear Company only communicates through official @thenuclearcompany.com email addresses. We will never ask for payments or sensitive financial information at any stage of our recruitment process. For your peace of mind, please verify all openings and submit your applications directly through our official careers page.","description_format":"text","description_chars":6361,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Continuous learning","Generous vacation"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Nuclear Energy","Nuclear Engineering"],"lifecycle":[{"event":"open","at":"2026-09-11T03:56:32Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 3","filings_12m":3,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":157500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.835,"p_room":0.75,"age_days":45,"expected_fill_days":64,"reasons":["conf:3","win:late"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":173000,"is_top_pay":false},"html_url":"https://alion.io/job/thenuclearcompany-staff-mechanical-engineer","json_url":"https://alion.io/job/thenuclearcompany-staff-mechanical-engineer.json","meta":{"generated_at":"2026-10-18T06:19:21Z","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":9447,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":684853},"rest":"https://alion.io/mcp/rest/get_company?id=684853"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fthenuclearcompany-staff-mechanical-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fthenuclearcompany-staff-mechanical-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fthenuclearcompany-staff-mechanical-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/thenuclearcompany-staff-mechanical-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fthenuclearcompany-staff-mechanical-engineer"}]}