{"id":3357329,"url":"https://alion.io/job/general-atomics-mechanical-engineer-3","title":"Mechanical Engineer","company":{"id":1782979,"name":"General Atomics","domain":"ga.com","url":"https://alion.io/company/ga-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BrassRing","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Diego, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":75000,"max_usd":177000,"period":"year","method":"role_country_seniority_unknown","sample_n":15150},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"AS9100","optional":false},{"name":"Femap","optional":false},{"name":"GD&T","optional":false},{"name":"MIL-STD-810","optional":false},{"name":"Nastran","optional":false},{"name":"SolidWorks","optional":false}],"status":"closed","first_seen_at":"2026-10-27T20:21:09Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-29T07:50:28Z","board_verified":false,"closed_at":"2026-10-29T07:50:28Z","days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"General Atomics Electromagnetic Systems (GA-EMS) designs and manufactures first-of-a-kind electromagnetic and electric power generation systems for defense, space, and energy applications. Our portfolio includes Aircraft Launch and Recovery Equipment (ALRE) such as the Electromagnetic Aircraft Launch System (EMALS) and Advanced Arresting Gear (AAG), satellite buses and electro-optical payloads, high energy laser (HEL) weapon systems, and advanced nuclear reactor technologies.We have an exciting opportunity for a Mechanical Engineer II to join our multidisciplinary engineering team. Under limited supervision, this position is responsible for the design, analysis, integration, and test of mechanical and electromechanical systems across one or more of the following product areas:\n ALRE - electromagnetic launch and recovery hardware, energy storage subsystems, power conversion enclosures, and shipboard mechanical integration\nSpace Systems - satellite bus structures, mechanisms, optical payload integration, and spacecraft thermal management\nHigh Energy Lasers - thermal management systems for laser weapon systems, including liquid cooling loops, cold plates, heat exchangers, and thermal energy storage\nNuclear Technologies - reactor structural components, pressure-retaining hardware, and support structures for advanced reactor concepts\nThe successful candidate will work in a fast-paced, hands-on environment, contributing to hardware from concept through design, analysis, prototyping, qualification, production, and fielding.DUTIES AND RESPONSIBILITIES:\nDesign & Development\nDesign mechanical components, assemblies, and subsystems (structures, enclosures, mechanisms, fluid/thermal hardware) using 3D CAD tools (e.g., SolidWorks, NX, Creo).\nProduce and check engineering drawings compliant with ASME Y14.5 (GD&T) and ASME Y14.100 drawing practices, including parts lists, notes, and configuration documentation.\nPerform tolerance stack-up analyses to ensure fit, form, and function across assemblies.\nSelect materials, finishes, fasteners, and thermal interface materials appropriate for the operating environment (shipboard, space/vacuum, high-power laser, or nuclear).\nSupport design for manufacturability and assembly (DFM/DFA), working closely with machine shops, fabrication vendors, and internal manufacturing teams.\n AnalysisPerform classical hand calculations and finite element analysis (FEA) for structural, thermal, vibration, and shock loading conditions (e.g., ANSYS, Femap/Nastran).\nConduct thermal analyses of liquid-cooled and conduction-cooled hardware; size pumps, cold plates, heat exchangers, and coolant loops for high-heat-flux applications.\nSupport structural assessments to relevant codes and standards (e.g., MIL-STD-810, MIL-S-901D shock, MIL-STD-167 vibration, GEVS/SMC-S-016 for space hardware, ASME B&PV Code Section III/VIII for nuclear and pressure hardware, as applicable).\nDocument analyses in formal reports and present results at design reviews.\n Integration & TestSupport assembly, integration, and test (AI&T) of prototype and production hardware, including satellite payload integration and laser system thermal subsystem checkout.\nDevelop test plans, procedures, and fixtures; conduct engineering development tests, qualification tests, and acceptance tests.\nTroubleshoot hardware issues on the production floor and in the field; perform root cause and corrective action (RCCA) investigations.\nSupport shipboard, range, or customer-site installation and test activities as required.\n Program & Cross-Functional SupportParticipate in design reviews (SRR, PDR, CDR, TRR) and prepare associated technical data packages.\nInterface with electrical, systems, software, quality, supply chain, and manufacturing engineering to ensure integrated product solutions.\nSupport proposal efforts with design concepts, trade studies, mass/thermal budgets, and basis-of-estimate inputs.\nGenerate and maintain engineering documentation including specifications, interface control documents (ICDs), engineering change orders (ECOs), and nonconformance dispositions.\nEnsure compliance with applicable quality standards (AS9100), ESD control programs (ANSI/ESD S20.20), and safety requirements.\nMaintain the strict confidentiality of sensitive information.\nWe recognize and appreciate the value and contributions of individuals with diverse backgrounds and experiences and welcome all qualified individuals to 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