{"id":4313373,"url":"https://alion.io/job/antramo-senior-mechanical-engineer","title":"Senior Mechanical Engineer","company":{"id":4489798,"name":"Antramo","domain":"antramo.com","url":"https://alion.io/company/antramo","size_band":"1-10","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Manatal","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sunnyvale, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135000,"max":160000,"currency":"USD","period":"year","gross":null,"usd_annual":160000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Femap","optional":false},{"name":"GD&T","optional":false},{"name":"Nastran","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-11-14T13:50:38Z","employer_posted_date":"2026-11-14","last_verified_at":"2026-11-14T13:50:38Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"This role will design and develop complex mechanical, thermal, and fluid systems for flight and ground equipment, working across cross-functional engineering teams to validate system integrations and support manufacturability from design through qualification testing.\nResponsibilities\nDesign and develop complex mechanical, thermal, and fluid systems for flight and ground equipment\nValidate mechanical and fluid systems through structural and thermal analyses, using classical engineering methods and advanced simulation tools\nCreate detailed manufacturing drawings incorporating GD&T (ASME Y14.5) standards\nInterface with cross-functional engineering teams to verify system integrations meet requirements and performance metrics\nCollaborate with manufacturing engineers and external machine shops to ensure components are optimized for manufacturability and assembly\nBuild test plans, oversee qualification testing, and analyze data for mechanical, thermal, and fluid systems\nPresent engineering solutions and analysis results during cross-departmental design reviews\nInvestigate and resolve non-conformances and failures through root cause analysis\nQualifications\nBachelor of Science in Mechanical or Aerospace Engineering\n5+ years of professional engineering experience in mechanical or aerospace industries\nProficiency in CAD modeling and creating drawings with SolidWorks (or similar)\nExperience working with PDM/PLM tools\nStrong understanding of engineering fundamentals, including mechanics of materials, thermodynamics, and fluid dynamics\nDemonstrated experience in end-to-end design and sizing of mechanical structures, thermal management systems, and fluid routing components\nDemonstrated experience with GD&T and traditional manufacturing processes\nExperience working with Finite Element Analysis in FEMAP/Nastran (or similar)\nPreferred Qualifications\nMaster's degree in Mechanical or Aerospace Engineering\nDemonstrated experience designing highly loaded/lightweight structural components (including composite and metallic)\nDemonstrated experience with coupled thermo-mechanical systems, active thermal management solutions, and high-pressure fluid routing for extreme environments\nExpert-level use of Finite Element Analysis tools\nWhat We Offer!\nBase Salary: $135,000 - 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