{"id":3309114,"url":"https://alion.io/job/open-cosmos-senior-spectrum-systems-engineer","title":"Senior Spectrum Systems Engineer","company":{"id":51554,"name":"Open Cosmos","domain":"open-cosmos.com","url":"https://alion.io/company/open-cosmos","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"A","score":93,"open_postings":30,"ghost_share":0.033,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":177,"computed_at":"2026-10-30T05:48:23Z"}},"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":["Didcot, United Kingdom","Pallini, Greece","Barcelona, Spain","Porto, Portugal"],"countries":["GB","GR","ES","PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":67000,"max_usd":121000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":41},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"MBSE","optional":false},{"name":"Python","optional":false},{"name":"STK","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-03-17T09:04:13Z","employer_posted_date":"2026-03-17","last_verified_at":"2026-10-30T09:52:39Z","board_verified":true,"closed_at":null,"days_open":227,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":225},"description":"Aim high, go beyond!\nAt Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…\nThe Satcom team is responsible for the design, delivery and performance of Open Cosmos’ satellite communications services, spanning the space segment, ground infrastructure and global connectivity.\nWe’re now looking for a Senior Spectrum Systems Engineer to take ownership of how spectrum compliance is designed into our satellite systems from day one.\nWhat will you be doing?\nAs Senior Spectrum Systems Engineer you’ll take the lead on translating spectrum regulations into system design-using modelling and simulation to ensure compliance without compromising performance.\nYou will:\nTranslate regulatory constraints (EPFD, PFD, EIRP) into system and sub-system requirements\n\nBuild and own end-to-end simulation models for interference and spectrum compliance\n\nDefine system design limits (“design-to-compliance”) for payload and user terminals\n\nModel interference, coexistence, and mitigation strategies across constellations\n\nProduce high-quality datasets to support ITU filings and coordination\n\nLead verification and validation of spectrum compliance (ground and in-orbit)\n\nShape spectrum usage strategies (frequency reuse, beam hopping, power control)\n\nSupport external regulatory engagement (ITU-R, WRC) with simulation-backed insight\n\nWhat You’ll bring\nStrong systems engineering fundamentals (requirements, V&V), ideally in an MBSE environment\n\nDeep understanding of RF spectrum compliance (EPFD, PFD, EIRP, emissions)\n\nExperience with tools like Visualyse EPFD, STK, or similar\n\nStrong Python or MATLAB skills for simulation and analysis\n\nSolid understanding of LEO systems, link budgets, and orbital dynamics\n\nKnowledge of ITU-R regulations and NGSO systems\n\nFamiliarity with DVB-S2X, 3GPP NTN, or similar standards\n\nThis role will be based in any of our locations.\nTo apply, you must have the legal right to work in your chosen location.\nWhen applying, please submit your CV in English.\nWhy Open Cosmos?\nWork at the cutting edge of space technology with customers around the globe.\n\nA mission-driven company making space accessible to help solve real-world challenges.\n\nA diverse, ambitious, and supportive team.","description_format":"text","description_chars":2371,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Manufacturing","Earth Observation","Space Services"],"lifecycle":[{"event":"open","at":"2026-10-27T02:36:19Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; 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