{"id":3983362,"url":"https://alion.io/job/ast-spacemobile-senior-mechanical-engineer","title":"Senior Mechanical Engineer","company":{"id":2057930,"name":"AST SpaceMobile","domain":"ast-science.com","url":"https://alion.io/company/ast-science","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":88,"open_postings":227,"ghost_share":0.119,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":114,"computed_at":"2026-11-11T05:49:22Z"}},"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":["Barcelona, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ECSS","optional":true}],"status":"live","first_seen_at":"2026-11-09T16:57:36Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-11T04:04:51Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":1},"description":"AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet - on land, at sea and in flight.\nPosition Overview\nWe are seeking a Staff Senior Mechanical Engineer - Space Electronic Equipment to join our Satellite Mechanical Subsystem & Payload team, with a focus on the mechanical design of electronic equipment for space applications, including electronic units, boxes, and payload electronics. The successful candidate will contribute to design, analysis, specification, testing, and validation activities. The ideal candidate will be innovative, creative, and willing to challenge the status quo, while being capable of working both autonomously and as part of a team.\nKey Responsibilities:\nLead the mechanical design and modelling of space electronic equipment, including housings, PCB mounting and stiffening, connectors and harness interfaces, thermal interfaces, shielding, and grounding provisions.\nDefine mechanical and thermal interfaces with the structure, thermal control, electrical, and RF teams; prepare preliminary designs including layouts, trade-offs, materials, processes, and testing requirements.\nDevelop and maintain mechanical design documentation, manufacturing drawings, interface control drawings, test procedures, and tooling for vibration, shock, thermal vacuum, and assembly activities.\nProvide technical support to AIT activities, including fabrication, assembly, integration, and testing of electronic units, as well as support to suppliers during manufacturing and qualification.\nEnsure designs meet technical requirements related to launch loads, thermal environments, vacuum, and radiation, supporting structural and thermal decisions and engineering trade-offs to identify the most suitable architectures.\nQualifications\nEducation:\nBachelor's Degree in Mechanical Engineering or a related technical field.\nHigher degree preferred.\nExperience:\nA minimum of 6 years of hands-on experience in the mechanical design of electronic equipment for space applications or equivalent high-reliability industries such as aerospace or defense.\nPreferred Qualifications:\nExperience using CAD software (Inventor preferred).\nKnowledge of space environment requirements and materials/process selection, including outgassing and ECSS or NASA standards.\nKnowledge of electronic packaging, thermal management of electronics, and EMC-related mechanical design.\nExperience using PDM and PLM software.\nKnowledge of GD&T.\nTechnical skills in FEM computer methods using standard analytical tools and classical structural analysis methods.\nSoft Skills:\nDemonstrated ability to work effectively within multidisciplinary engineering teams.\nAbility to lead small teams while managing assignments autonomously.\nInnovative and creative mindset with the ability to challenge the status quo.\nFlexibility and adaptability in a fast-paced and dynamic environment.\nStrong written and verbal communication skills in English.\nTechnology Stack:\nCAD software (Inventor preferred).\nPDM software.\nPLM software.\nFEM and structural analysis tools.\nPhysical Requirements\nAbility to work in a standard office environment and use a computer for extended periods.\nThis job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. \nAST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.","description_format":"text","description_chars":3991,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":true}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Communications","Satellite Manufacturing","Mobile Networks"],"lifecycle":[{"event":"open","at":"2026-11-09T20:42:54Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":114,"reasons":["conf:1","velocity","win:early","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":null,"html_url":"https://alion.io/job/ast-spacemobile-senior-mechanical-engineer","json_url":"https://alion.io/job/ast-spacemobile-senior-mechanical-engineer.json","meta":{"generated_at":"2026-11-11T06:14:58Z","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":8795,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":2057930},"rest":"https://alion.io/mcp/rest/get_company?id=2057930"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fast-spacemobile-senior-mechanical-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fast-spacemobile-senior-mechanical-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fast-spacemobile-senior-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/ast-spacemobile-senior-mechanical-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fast-spacemobile-senior-mechanical-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3983362}},{"tool":"search_jobs","arguments":{"company":"ast-science.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3983362},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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