{"id":662721,"url":"https://alion.io/job/xonaspace-sr-rf-engineer","title":"Sr. RF Engineer","company":{"id":685097,"name":"Xona Space Systems","domain":"xonaspace.com","url":"https://alion.io/company/xonaspace","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":91,"open_postings":18,"ghost_share":0,"stale_share":0.167,"repost_share":0,"time_to_fill_p50_days":77,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Burlingame, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":170000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansys HFSS","optional":false},{"name":"Keysight ADS","optional":false}],"status":"live","first_seen_at":"2026-05-19T22:46:06Z","employer_posted_date":"2026-05-19","last_verified_at":"2026-10-18T05:53:07Z","board_verified":true,"closed_at":null,"days_open":151,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":151},"description":"Xona is the navigational intelligence company bringing real-time, centimeter-level certainty to any device, anywhere on Earth.\nWith Pulsar - the world’s most advanced PNT satellite infrastructure in Low Earth Orbit - Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection.\nAs an Sr. RF Engineer at Xona, you'll be designing, implementing, testing, and optimizing RF systems to enable our next-generation GNSS system. From spacecraft payload electronics to ground monitoring systems, your work will ensure the end-to-end RF broadcast system delivers Xona’s high-accuracy and high-precision PNT service.\nRequired Qualifications\nUnderstanding of electromagnetic principles behind radio frequency communications.\n\nAbility to interpret PCBA schematics and layout drawings. Familiarity with PCB ECAD tools such as Altium.\n\nHands-on experience using electrical/RF test equipment, including multimeters, oscilloscopes, signal generators, and spectrum analyzers.\n\nKnowledge of typical performance metrics for RF communications systems.\n\nHands-on experience/coursework with antenna design and/or testing. Familiarity with 3D EM simulations tools such as Ansys HFSS.\n\nRF amplifier and circuits tuning\n\nRF Design experience in L-Band, S-Band and C Band\n\nFamiliarity with RF circuit simulation tools, such as Keysight ADS or AWR Microwave Office.\n\nHands-on experience with RF test set-ups and calibrations.\n\nAbility to analyze and interpret RF test data, and assess performance vs. design requirements.\n\nWilling and able to travel to support off-site testing events as needed.\n\nSelf-starter attitude and proactive in seeing projects from design through implementation.\n\nExcellent problem-solving skills, attention to detail, and the ability to thrive in a fast-paced, cross-team collaborative environment.\n\nEffective communication and interpersonal skills, with the ability to work closely with multidisciplinary teams and external partners to achieve project goals.\n\nTo comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States (i.e. Green Card holder), or other protected individual as defined by 8 U.S.C. 1324b(a)(3).\n\nPreferred Qualifications\n3 - 5 years of RF engineering experience\n\nExperience with space RF electronics, with an understanding of phenomena such as multipaction.\n\nKnowledge/experience with GNSS systems.\n\nProven RF PCB and/or antenna designs from past work.\n\nImplementation of passive or active RF sub-systems whether on the bench or on PCBs.\n\nFor U.S. Roles: To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States (i.e. Green Card holder), or other protected individual as defined by 8 U.S.C. 1324b(a)(3).\nFor U.K. Roles: To comply with U.K. regulations, this role requires Baseline Personnel Security Standard (BPSS) checks, and successful candidates must be eligible to obtain UK Security Clearance (SC).\nFor Canada Roles: Successful candidates must obtain and hold a security clearance at the reliability status level, and pass security assessment for the Canadian Controlled Goods Program (CGP) and ITAR.\nWe celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.","description_format":"text","description_chars":3590,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Navigation"],"lifecycle":[{"event":"open","at":"2026-09-10T21:42:52Z"}],"visa":[],"liveness":{"score":27,"band":"fade","label":"Fading","p_open":1,"p_active":0.738,"p_room":0.36,"age_days":150,"expected_fill_days":77,"reasons":["conf:1","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":true},"html_url":"https://alion.io/job/xonaspace-sr-rf-engineer","json_url":"https://alion.io/job/xonaspace-sr-rf-engineer.json","meta":{"generated_at":"2026-10-18T07:00:47Z","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":10426,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":685097},"rest":"https://alion.io/mcp/rest/get_company?id=685097"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fxonaspace-sr-rf-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fxonaspace-sr-rf-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fxonaspace-sr-rf-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/xonaspace-sr-rf-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fxonaspace-sr-rf-engineer"}]}