{"id":613439,"url":"https://alion.io/job/aalo-senior-mechanical-design-engineer","title":"Senior Mechanical Design Engineer","company":{"id":668768,"name":"Aalo Atomics","domain":"aalo.com","url":"https://alion.io/company/aalo","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"A","score":92,"open_postings":36,"ghost_share":0,"stale_share":0.139,"repost_share":0,"time_to_fill_p50_days":74,"computed_at":"2026-11-08T05:47:12Z"}},"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":"explicit","locations":["Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":92000,"max_usd":173000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":6333},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GD&T","optional":false},{"name":"SolidWorks","optional":false},{"name":"AS9100","optional":true},{"name":"ISO 13485","optional":true}],"status":"live","first_seen_at":"2026-05-22T22:09:34Z","employer_posted_date":"2026-05-22","last_verified_at":"2026-11-09T01:10:49Z","board_verified":true,"closed_at":null,"days_open":170,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":169},"description":"About Aalo Atomics\nAalo Atomics is pioneering a new era in clean energy with factory-fabricated microreactors designed to deliver affordable, scalable, and reliable nuclear power. Our mission is to make nuclear energy globally accessible, starting with the Aalo-1, a 10 MWe reactor leveraging cutting-edge safety, modularity, and efficiency. Based in Austin, TX, we’re rapidly growing as we work to deploy the world’s first fleet of advanced microreactors. Join us and help revolutionize energy for a sustainable future.\nAbout the Role\nAs a Senior Mechanical Design Engineer at Aalo Atomics, you will own the mechanical design of critical systems and structures within our modular nuclear reactors. You will lead design efforts from concept through detailed design, analysis, and into production - driving technical decisions, mentoring junior engineers, and ensuring our reactor modules meet the highest standards of safety and performance. This is a high-ownership role for an experienced engineer ready to shape the mechanical architecture of next-generation nuclear systems.\nResponsibilities\nLead the mechanical design of major reactor module subsystems, from concept through production release \nOwn design decisions and defend technical trade-offs to cross-functional stakeholders \nPerform and direct engineering analyses (structural, thermal, fatigue, seismic) to validate designs \nDevelop detailed 3D models, complete with model-based definition and engineering drawings where required, with complete GD&T \nDrive design reviews and ensure rigorous documentation of design rationale \nCollaborate with manufacturing engineers to incorporate DFM / DFA principles \nMentor junior engineers and establish best practices for the mechanical design team \nQuestion and refine design requirements to ensure they are necessary, clear, and achievable \nSupport prototype builds and testing to validate design intent, feeding lessons learned back into the design \nCreate and maintain design documentation, including specifications, BOMs, and interface control documents \nBasic Qualifications\nBachelor's degree in Mechanical Engineering or a related engineering discipline \n7+ years of professional mechanical design experience \nExpert proficiency with 3D CAD tools (e.g., SolidWorks, NX, or similar) \nDemonstrated experience owning the full design lifecycle - concept through production \nStrong command of GD&T, tolerance analysis, and drawing standards \nExperience with FEA or other structural/thermal analysis tools \nProven ability to lead technical projects and make sound engineering judgments independently \nPreferred Experience\nExperience designing pressure vessels, structural weldments, or high-temperature mechanical systems \nWorking knowledge of ASME Boiler & Pressure Vessel Code (Section III or Section VIII) \nExperience with nuclear-relevant design standards or other highly regulated industries (AS9100, ISO13485, etc.) \nExperience designing and fabricating with stainless steel, high-nickel alloys, or other high-performance materials \nTrack record of transitioning complex designs from prototype to production \nExperience mentoring engineers or leading a small design team \nFamiliarity with configuration management and change control processes \nWorking knowledge of calculation software and use of AI \nStrong communication skills to convey technical reasoning to both engineering and non-engineering audiences \nPhysical Requirements\nComfortable working on the factory floor alongside technicians and welders to support builds \nAbility to lift up to 25 lbs and stand for extended periods \nAbility to focus and operate effectively in a dynamic shop environment\nRequirements:\nBased in the United States\nWilling to work on-site in Austin, TX\nWhat We Offer:\nCompetitive salary based on technical level \nHealth, Dental, and Vision Insurance \nPaid Time Off \nCorporate Gym Membership \nCandidates only. No recruiters or agencies, please.\nAdditional Information:\nAalo Atomics provides a collaborative and supportive work environment, opportunities for professional growth, intellectually challenging careers, and competitive compensation. Aalo Atomics is an equal opportunity employer and considers all employment decisions without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, veteran status, or any other characteristic protected by law.\nApplicants must be U.S. Citizens or U.S. Persons in compliance with 10 CFR Part 810 and may not hold non-compliant foreign citizenships.\nDirect applicants only. 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