{"id":1964877,"url":"https://alion.io/job/cesiumastro-staff-mechanical-engineer-4","title":"Staff Mechanical Engineer","company":{"id":5315,"name":"CesiumAstro","domain":"cesiumastro.com","url":"https://alion.io/company/cesiumastro","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":86,"open_postings":31,"ghost_share":0,"stale_share":0.548,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Westminster, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":133000,"max":161000,"currency":"USD","period":"year","gross":null,"usd_annual":161000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SolidWorks","optional":false},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-06T12:52:56Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-13T07:32:21Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"We are looking to add a Staff Mechanical Engineer to our team. If you enjoy working in a startup environment and are passionate about developing space hardware for leading-edge communications satellites, we would like to hear from you.\nIn this position, you will be responsible for leading a team of engineers responsible for mechanical aspects of CesiumAstro spacecraft, subsystems, and interfaces through all phases of the development process. The ideal candidate will be versatile and proficient in mechanical design, electronics packaging, computer-aided design (CAD), mechanical interfaces, thermal architecture, deployable and actuated structures, and environmental qualification of spacecraft. You will use these skills to effectively direct, mentor, and grow a team of upcoming engineers in the design of a novel satellite.\nAs a CesiumAstro spacecraft team lead and responsible mechanical authority, you will manage a small team to develop satellites and put them in orbit. You will be responsible for delivering robust mechanical designs from concept through space flight including requirements definition, architecture trades and block diagrams, analysis, manufacturing, assembly, testing, qualification, and in-orbit support. In this role you will also collaborate closely with GNC, EPS, CDH, Payload, RF, Systems, and AI&T teams.\nThe successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.\nJOB REQUIREMENTS AND MINIMUM QUALIFICATIONS\nBachelor of Science (BS) or Master of Science (MS) degree in Mechanical or Aerospace Engineering from an accredited university or institution.\n9 years of experience in communications satellite structures and mechanisms design from concept design to decommissioning across multiple programs.\nAt least 5 years of experience leading technical teams.\nSignificant contributions to multiple flight missions, plus lead ownership of one or more full mechanical development cycles at the space vehicle level.\nAbility to support subsystem leads with clear mechanical interfaces and cross-functional alignment.\nHands-on experience in satellite and large instrument AI&T that leads directly to design implementation.\nStrong opinions on the meaning of engineering rigor and lean process.\nExperience including failure and recovery of mechanism operations in test and in operations, as well as loss of mission due to mechanism failure (experience with success as well!).\nAt least one experience with a structural failure in environmental test and recovery from that failure.\nStrong fundamentals including mechanics of materials, hand calcs, and engineering rules of thumb.\nExperience in conducting architectural trade studies including parametric and first-order cost and physical analysis.\nExperience as a reviewer for structural and thermal analysis to ensure designs meet requirements and manufacturability needs.\nExperience with professional mechanical and FEA CAD tools, such as SolidWorks Simulation, Ansys, and Nastran.\nDesign and build for manufacturing and cost.\nExpertise in CNC manufacturing and GD&T as evidenced by ability to implement and critique mechanical drawings.\nExperience with design and manufacturing of composite sandwich panels including an understanding of the trades and benefits of each in satellite structures.\nExperience in designing spacecraft primary and secondary structures in a variety of materials.\nFamiliarity with design for test, manufacturability, assembly, and reliability.\nFamiliarity with spacecraft AI&T.\nHands-on experience supporting environmental test campaigns (vibe, shock, TVAC).\nPREFERRED EXPERIENCE\nExperience including LEO, GEO, and beyond.\nExperience ranging from CubeSats and SmallSats to large GEO satellites.\nPython or other scripting capability\nExperience with two or more spacecraft structural and mechanical architectures which drives your vision for the next generation of spacecraft.","description_format":"text","description_chars":4057,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Embedded & Electronics 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