{"id":3413975,"url":"https://alion.io/job/executive-recruiting-group-principal-avionics-systems-engineer","title":"Principal Avionics Systems Engineer","company":{"id":3958,"name":"Executive Recruiting Group","domain":"executiverecruitinggroup.com","url":"https://alion.io/company/executiverecruitinggroup","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"A","score":91,"open_postings":14,"ghost_share":0.071,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":94,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Luis Obispo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":138000,"max_usd":256000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":656},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-28T18:45:13Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-31T09:45:41Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":2},"description":"We are seeking a Principal Avionics Systems Engineer will serve as a technical leader responsible for defining and delivering the aircraft avionics architecture. The scope includes flight-deck systems, displays, communication, navigation, surveillance, sensors, aircraft data networks, recording systems, and integration with the Automatic Flight Control Systems, Flight Management System, Vehicle Management System, Fly-by-Wire system, hybrid-electric propulsion system, electrical power system and other aircraft subsystems.\nDuties:\nLead the development and maturation of the Avionics architecture, functional decomposition, requirements allocation, and design-baseline development for our prototype and certification aircraft programs.\nEstablish and maintain avionics system requirements, architecture and design descriptions, Interface Control Documents, performance requirements and bidirectional traceability.\nCoordinate across VMS/FBW, Electrical, Propulsion, Safety, EWIS, Flight Test, suppliers, and certification stakeholders; close interface gaps early.\nAddress hybrid-electric aircraft considerations, including power availability, load shedding, propulsion and energy-status data, degraded operating modes, EMI/EMC and thermal constraints.\nServe as the technical authority for avionics supplier selection, requirements flow-down, design reviews, deliverables, compliance, and issue closure.\nEvaluate supplier architectures and equipment for functional performance, interfaces, safety, environmental qualification, maintainability, and integration readiness.\nManage technical risks, dependencies, actions, configuration changes, and supplier accountability against program milestones.\nLead avionics integration and verification across simulation, SIL/HIL, lab, aircraft ground test, and flight test environments.\nDefine verification methods, procedures, pass/fail criteria, coverage, and data-review expectations for system and interface requirements.\nSupport FHA, PSSA, SSA, compliance plans/reports, certification evidence, SOI readiness, and SRR/IDR/PDR/CDR review packages.\nRequirements\nBachelor's degree in Aerospace, Electrical, Electronics, Computer, Software or Systems Engineering, or a related technical discipline.\nMaster's Degree in a technical and/or management discipline preferred.\n10+ years of aerospace avionics and aircraft systems development experience, including safety-critical integrated avionics.\nDemonstrated experience progressing an avionics system from concept and architecture through requirements development, supplier design, integration, ground and flight test, and certification readiness.\nDemonstrated experience serving as an Avionics architect, Principal Engineer, technical lead.\nExperience leading cross-functional engineering teams and technically managing avionics 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