{"id":3890730,"url":"https://alion.io/job/astranis-senior-antenna-engineer","title":"Senior Antenna Engineer","company":{"id":171728,"name":"Astranis","domain":"astranis.com","url":"https://alion.io/company/astranis","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":82,"open_postings":90,"ghost_share":0,"stale_share":0.522,"repost_share":0,"time_to_fill_p50_days":81,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Hardware","role_family":"Hardware","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":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":170000,"max":250000,"currency":"USD","period":"year","gross":null,"usd_annual":250000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2023-09-08T18:43:30Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-09T03:01:12Z","board_verified":true,"closed_at":null,"days_open":1157,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":1156},"description":"Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe - large enterprises, sovereign governments, and the US military. \nWith five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization.\nAstranis has raised over $1.2 billion from some of the world’s best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.\nSenior Antenna Engineer\nAs a Senior Antenna Engineer you will be responsible for the design, qualification, and procurement of antenna system components for ongoing production as well as R&D programs. You will optimize system-level antenna and RF performance and introduce improvements at the component and system level. Required hardware design efforts include feed array elements, polarization and frequency selective surfaces, reflector systems including sub reflectors, and diplexers and OMT's for geosynchronous communication satellites. This work regularly entails cross-disciplinary collaboration with structural, thermal, and communication engineers to achieve overall system requirements.\nYou will also work with our business development team to propose and develop novel antenna solutions that satisfy customer requirements, and use those investigations as an opportunity to improve the performance of our antenna systems.\nRole\nLeverage cutting-edge design tools to realize high-performance communications antenna systems with on-orbit flexibility to meet evolving customer demand.\nWork with vendors to design and procure space-qualified antenna and RF components and validate their performance through clean-room and anechoic chamber testing.\nCo-design antenna systems in conjunction with other technical disciplines including Structural/Thermal and Software-Defined Radio to achieve overall system requirements.\nWork with the sales team to propose novel antenna systems that satisfy customer needs.\nAssist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team.\nRequirements\nAbility to relocate to San Francisco to work onsite as we design, integrate and test mission critical hardware.\n5 - 15+ years of experience in relevant industry or academic roles.\nDemonstrated ability to implement high performance antenna systems in research or industry settings.\nStrong ability to collaborate with diverse engineering disciplines to collectively design and build performant RF/antenna systems, including mechanical, thermal, systems and software engineering.\nStrong antenna and microwave engineering fundamentals including theory of impedance matching, filters, combiners, amplifiers, etc.\nExperience measuring components using vector network analyzers and antenna measurement ranges, either anechoic or near field scanners.\nDemonstrated ability to solve engineering challenges in innovative and creative ways.\nCapable of using industry-standard design tools such as CST, HFSS, or TICRA and scripting to solve engineering problems using Matlab or Python.\nBonus\nExperience with digital beamforming, active feed networks, or reconfigurable antennas\nUnderstanding of co-site interference and antenna siting optimization\nExperience with link budget and system calculations including EIRP, noise figure, and G/T\nExperience designing waveguide components (orthomode transducers, diplexer, filters, polarizers, etc)\nExperience with deployable reflectors\nFamiliarity with aerospace antenna design and test principles, including spacecraft charging, passive intermodulation, and multipaction\nExperience testing for EMI/EMC performance and understanding of mitigation practices\nExperience with integrated electronics, inclusive of beamformers, amplifiers, cooling, packaging, and interconnects\nExperience with manufacturing technologies and their impacts on RF/Antenna design, including metal additive manufacturing, CNC machining, split block, composites, electroforming, and plating\nWhat we offer: \nAll our positions offer a compensation package that includes equity and robust benefits.\nBase pay is just one component of Astranis’s total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.\nAstranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position.\nBase Salary\n$170,000—$250,000 USD\nU.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required\n(To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3))\nOur mission and products are built for everyone, regardless of gender, race, creed, or background. We believe in a diverse and inclusive workplace, and we invite all people to join our team and bring their unique perspectives to make us stronger.\nAstranis SMS Terms of Service\nRecruiting Updates: By opting in, you agree to receive SMS updates, interview coordination, and recruiting communications from Astranis Space Technologies Corp.\n\nOpt-Out: You can cancel this service at any time by replying STOP. We will send one final text confirming your unsubscription.\n\nOpt-In Again: To resume receiving messages, reply START or YES.\n\nSupport & Rates: For assistance, reply HELP or contact us at +16504498097. Message and data rates may apply. Message frequency varies; carriers are not liable for delayed or undelivered messages.\n\nPrivacy: For details on how we protect your data, view our Privacy Policy.","description_format":"text","description_chars":6488,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Life insurance","Retirement plans","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Satellite Communications","Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-11-06T21:12:06Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.243,"p_room":0.28,"age_days":1156,"expected_fill_days":81,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-08T05:47:12Z"},"pay":{"stated_usd_annual":250000,"is_top_pay":true},"html_url":"https://alion.io/job/astranis-senior-antenna-engineer","json_url":"https://alion.io/job/astranis-senior-antenna-engineer.json","meta":{"generated_at":"2026-11-09T03:09:57Z","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":1036,"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":171728},"rest":"https://alion.io/mcp/rest/get_company?id=171728"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fastranis-senior-antenna-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%2Fastranis-senior-antenna-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%2Fastranis-senior-antenna-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/astranis-senior-antenna-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fastranis-senior-antenna-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3890730}},{"tool":"search_jobs","arguments":{"company":"astranis.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3890730},"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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