{"id":3647680,"url":"https://alion.io/job/astro-mechanica-propulsion-engineering-intern","title":"Propulsion Engineering Intern","company":{"id":171729,"name":"Astro Mechanica","domain":"astromecha.co","url":"https://alion.io/company/astro-mechanica","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":93,"open_postings":21,"ghost_share":0,"stale_share":0.095,"repost_share":0,"time_to_fill_p50_days":90,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":"intern","employment_type":"internship","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":40,"max":55,"currency":"USD","period":"hour","gross":null,"usd_annual":110000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GD&T","optional":false},{"name":"Siemens NX","optional":false}],"status":"live","first_seen_at":"2026-11-02T20:07:03Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-09T08:46:20Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"ABOUT US:\nAstro Mechanica is a vertically integrated aerospace company developing a scalable technology platform to power critical infrastructure, mission operations, and the future of flight. We apply aerospace engineering and quality standards across our products, delivering high performance, reliability, and efficiency for the most demanding operating environments. Astro Mechanica is backed by leading venture and strategic investors, including Andreessen Horowitz (a16z), Giant Step Capital, United Airlines Ventures, and Voyager Ventures.\nWHO WE ARE:\nWe’re a team of passionate engineers dedicated to advancing aerospace. We’re generalists with specialist depth, united by a flat structure and a shared obsession with building things that work well. We move fast, stay pragmatic, and let engineering excellence speak louder than hierarchy.\nWHO YOU ARE:\nAstro Mechanica is seeking an intern to join our Propulsion Engineering Team for the summer of 2027 (program begins on June 7, 2027 for semester schools and June 27, 2027 for quarter schools). The ideal candidate is someone who wants to take ownership of real hardware, from concept through test, and is eager to understand how their work affects surrounding systems. You approach technical challenges from first principles. As an intern, you’ll be embedded with the propulsion team in San Francisco, working on real projects alongside full-time engineers, and your work will have a direct impact on the configuration and performance of the Duality™ engine.\nIn this role, your mission will be to help design, analyze, and validate propulsion hardware, with mentorship from senior engineers along the way. You’ll get hands-on experience across the full development cycle, from design trades to assembly to test, and you’ll learn to embody the test-like-you-fly philosophy.\nWHAT YOU’LL DO:\nSupport design trade studies while learning to consider system-level impacts\n\nComplete detailed design of propulsion components and support structural, thermal, and fluid analyses\n\nPresent your work in design reviews and gather feedback from stakeholders\n\nAssemble prototypes firsthand, design supporting tooling, and help write work instructions\n\nSupport hardware testing and analyze data to verify requirements and performance metrics\n\nHelp diagnose hardware problems and determine corrective actions\n\nOwn a scoped project through the summer and present your results to the team at the end of the internship\n\nWHAT WE’RE LOOKING FOR:\nCurrently pursuing a Bachelor’s, Master’s, or PhD in Aerospace Engineering, Mechanical Engineering, or a related discipline\n\nClub, project, or research-level hands-on experience with fluidic, mechanical, or propulsion systems\n\nExperience with solid, surface, and sheet metal CAD modeling (Siemens NX preferred)\n\nExposure to manufacturing processes, precision measurement, and GD&T\n\nCoursework or experience in heat transfer, thermodynamics, and turbomachinery\n\nExposure to data acquisition, instrumentation, and power electronics\n\nDesire for continuous improvement\n\nFlexibility to work in a fast-paced environment\n\nAttentive to detail and committed to a high level of quality in all work\n\nAvailable for a full-time, in-person internship in San Francisco during Summer 2027 (approximately 10-12 weeks)\n\nPERKS & BENEFITS:\nCompetitive hourly pay\n\nHands-on mentorship from experienced engineers\n\nCompany-funded perks, including team lunches, game nights, and other activities\n\nADDITIONAL INFORMATION:\nAt Astro Mechanica, we highly value in-office work to foster collaboration and strengthen our company culture. We consider working in the office five days a week an essential part of the employee's role.\nAstro Mechanica is an equal opportunity employer. We proudly recruit and hire a diverse workforce and are committed to creating an inclusive environment for all employees.","description_format":"text","description_chars":3856,"description_truncated":false,"requirements":{"experience_years_min":null,"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":["Space & Aerospace","Aerospace Manufacturing","Aircraft Manufacturing"],"lifecycle":[{"event":"open","at":"2026-11-02T23:20:54Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":6,"expected_fill_days":90,"reasons":["conf:1","velocity","win:early","comp:junior"],"computed_at":"2026-11-09T06:03:00Z"},"pay":{"stated_usd_annual":110000,"is_top_pay":false},"html_url":"https://alion.io/job/astro-mechanica-propulsion-engineering-intern","json_url":"https://alion.io/job/astro-mechanica-propulsion-engineering-intern.json","meta":{"generated_at":"2026-11-09T11:32:39Z","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":13501,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"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":171729},"rest":"https://alion.io/mcp/rest/get_company?id=171729"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fastro-mechanica-propulsion-engineering-intern"},{"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%2Fastro-mechanica-propulsion-engineering-intern"},{"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%2Fastro-mechanica-propulsion-engineering-intern"},{"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/astro-mechanica-propulsion-engineering-intern\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fastro-mechanica-propulsion-engineering-intern"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3647680}},{"tool":"search_jobs","arguments":{"company":"astromecha.co","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3647680},"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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