{"id":3247800,"url":"https://alion.io/job/viasat-principal-systems-architect","title":"Principal Systems Architect","company":{"id":1758272,"name":"Viasat","domain":"viasat.com","url":"https://alion.io/company/viasat-com","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jibe","truth_index":{"grade":"A","score":95,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":75,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":97000,"max_usd":169000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":27},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-06T13:01:00Z","employer_posted_date":"2026-10-25","last_verified_at":"2026-10-29T17:05:06Z","board_verified":true,"closed_at":null,"days_open":23,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":23},"description":"About usOne team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team.\nWhat you'll do\nThe Principal Systems Architect will work within a small team within the Solutions Engineering team who are responsible for all engineering aspects (from initial concept to introduction of the service) for ViaSat’s Aircraft Operations and Safety, and Advance Air Mobility Services.\nThe postholder will be the systems architect for the SwiftBroadband Safety infrastructure evolution and Viasat’s Advanced Air Mobility. The main focus will be on enabling the next generation of aviation-including UAVs, uncrewed systems, and autonomous platforms-with resilient, secure, and scalable satellite connectivity; and emerging communications and surveillance requirements for Air Traffic Management.\nThe role requires close working with industry partners within the UAV/Satefy community including UAV/aircraft manufacturers (i.e. Airbus and Boeing), avionics suppliers, and air traffic communication service providers and airline operational services. The role will represent Viasat as a technical expert in meetings with suppliers and must be capable of dealing confidently with experts in similar (and adjacent fields) and help develop innovative solutions that unlock new possibilities.\nThe day-to-day\nCompile system design requirements for next generation developments.\nProduce system concepts, candidate architectures and conduct trade-off studies.\nDevelop and present integrated satcom solutions tailored to UAV and AAM operational requirements, and aviation safety requirements\nLead and support integration of satcom systems onto UAV, AAM and AOS platforms\nCollaborate with hardware partners and terminal providers (e.g., low-SWaP UAV satcom systems) to ensure interoperability and performance\nProvide hands-on technical support for installation, configuration, and system optimization, and act as technical link between the various partners\nDevelop integration documentation, CONOPS, and validation approaches\nPlan and execute flight demonstrations, trials, and proof-of-concept activities and provide real-time troubleshooting and technical leadership during field deployments\nCreate detailed design specifications for use in competitive procurements for evolution of Viasat’s infrastructure. \nManage suppliers for implementation, verification, and change management safety infrastructure. \nDefine/refine the operational model in planning for service introduction readiness, initial operations (eg customer Beta testing), and in-life service management metrics (KPIs) needed to demonstrate compliance with performance standards.\nWork with others within the Engineering and Operations teams to achieve above.\nWhat you'll need\nDegree or equivalent experience in Electrical or Electronic Engineering\nTechnically proficient in telecommunications technologies, an understanding of IP-based mobile networking technologies and satellite systems\nStrong analytical capability, able to conduct system engineering and technology trade-offs\nStrong interpersonal skills including the ability to establish and maintain relationships and trust\nAdvanced knowledge of satellite communications systems, including RF fundamentals, link budgets, modem/waveform concepts, and L-band / Ku / Ka-band / NTN architectures.\nHands-on experience supporting system integration, deployment, or field operations\nWhat will help you on the job\nFamiliarity with UAV, UAS, or Advanced Air Mobility platforms\nFamiliarity with airborne satcom terminals, particularly low SWaP solutions\nExposure to flight testing, demonstrations, or field trials\nGood knowledge of software development and engineering techniques\nKnowledge of Viasat and other satellite communications systems.\nKnowledge/understanding of aeronautical as standards (e.g. ARINC, RTCA, Eurocae)\nEEO Statement\nViasat is proud to be an equal opportunity employer, seeking to create a welcoming and diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, ancestry, physical or mental disability, medical condition, marital status, genetics, age, or veteran status or any other applicable legally protected status or characteristic. If you would like to request an accommodation on the basis of disability for completing this on-line application, please click here.\nCompile system design requirements for next generation developments.\nProduce system concepts, candidate architectures and conduct trade-off studies.\nDevelop and present integrated satcom solutions tailored to UAV and AAM operational requirements, and aviation safety requirements\nLead and support integration of satcom systems onto UAV, AAM and AOS platforms\nCollaborate with hardware partners and terminal providers (e.g., low-SWaP UAV satcom systems) to ensure interoperability and performance\nProvide hands-on technical support for installation, configuration, and system optimization, and act as technical link between the various partners\nDevelop integration documentation, CONOPS, and validation approaches\nPlan and execute flight demonstrations, trials, and proof-of-concept activities and provide real-time troubleshooting and technical leadership during field deployments\nCreate detailed design specifications for use in competitive procurements for evolution of Viasat’s infrastructure. \nManage suppliers for implementation, verification, and change management safety infrastructure. \nDefine/refine the operational model in planning for service introduction readiness, initial operations (eg customer Beta testing), and in-life service management metrics (KPIs) needed to demonstrate compliance with performance standards.\nWork with others within the Engineering and Operations teams to achieve above.\nDegree or equivalent experience in Electrical or Electronic Engineering\nTechnically proficient in telecommunications technologies, an understanding of IP-based mobile networking technologies and satellite systems\nStrong analytical capability, able to conduct system engineering and technology trade-offs\nStrong interpersonal skills including the ability to establish and maintain relationships and trust\nAdvanced knowledge of satellite communications systems, including RF fundamentals, link budgets, modem/waveform concepts, and L-band / Ku / Ka-band / NTN architectures.\nHands-on experience supporting system integration, deployment, or field operations","description_format":"text","description_chars":6841,"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 Communications","Mobile Networks"],"lifecycle":[{"event":"open","at":"2026-10-25T19:20:14Z"}],"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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