{"id":4045707,"url":"https://alion.io/job/scalian-guidance-navigation-control-gnc-systems-engineer","title":"Guidance, Navigation & Control (GNC) Systems Engineer","company":{"id":181348,"name":"Scalian","domain":"scalian.com","url":"https://alion.io/company/scalian","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"A","score":88,"open_postings":346,"ghost_share":0,"stale_share":0.497,"repost_share":0,"time_to_fill_p50_days":38,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Montreal, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Confluence","optional":false},{"name":"FMEA","optional":false},{"name":"Jira","optional":false},{"name":"MATLAB","optional":false},{"name":"Simulink","optional":false},{"name":"STK","optional":false}],"status":"live","first_seen_at":"2026-11-10T18:59:48Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-11T13:55:21Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Temps-Plein / Full-Time\nMode de travail: Hybride / Work arrangement: Hybrid\nWe are looking for a Guidance, Navigation & Control (GNC) Systems Specialist to collaborate on one of our projects in the space sector.\nWho are we?\nScalian is amultinational engineering consulting firm with over 35 years of experience and nearly 6,000 specialists across 12 countries.\nWe provide expertise in Operations & Technology and Information Technology to a variety of industries, including aerospace, defense, railways, and energy, supporting their development.\nAt Scalian, people are at the heart of our priorities. By joining us, you will have the opportunity to achieve your professional goals in a collaborative and supportive environment.\n***\nNous recherchons un(e) Ingénieur(e) Systèmes GNC (Guidage, Navigation et Contrôle) pour collaborer sur l'un de nos projets dans le secteur spatial.\nQui sommes-nous ?\nScalian est une société multinationale de conseil en ingénierie, forte de plus de 35 ans d'expérience et de près de 6 000 spécialistes répartis dans 12 pays.\nNous mettons notre expertise en Opérations et Technologie et Technologies de l'information au service de secteurs variés tels que l'aérospatiale, la défense, le ferroviaire et l'énergie, en soutenant leur développement et leur exploitation.\nChez Scalian l'humain est au coeur de nos priorités. En nous rejoignant, vous aurez vous aurez l'opportunité d'atteindre vos objectifs professionnels dans un environnement collaboratif et bienveillant.\n Role and Responsibilities:\nWe are seeking a Guidance, Navigation & Control (GNC) Systems Engineer to support the design, development, integration, verification, and operational support of GNC subsystems for Earth observation and telecommunications satellites. This role spans the full system lifecycle, from requirements definition and algorithm development through verification and on-orbit operations support.\nMain responsibilities:\nDefine GNC functional, performance, and safety requirements and maintain requirements traceability\nDevelop system documentation, including specifications and Interface Control Documents (ICDs)\nPerform orbital and attitude dynamics modelling, simulation, and performance analyses\nDesign and validate attitude determination, orbit determination, and control algorithms\nDevelop control laws for three-axis stabilization, attitude maneuvers, and station-keeping\nWork closely with flight software, avionics, and systems engineering teams to integrate GNC functions\nDefine sensor and actuator specifications and interface requirements\nLead integration, verification, and validation activities, including SIL/HIL testing\nSupport reliability and safety analyses such as FMEA and FTA\nParticipate in design reviews, early mission studies, and operational support activities\nMentor junior engineers and contribute to continuous improvement initiatives and engineering standards\n***\nRôle et responsabilités :\nNous recherchons un(e) Ingénieur(e) Systèmes GNC pour participer à la conception, au développement, à l’intégration, à la vérification et au support opérationnel de sous-systèmes de guidage, navigation et contrôle pour des satellites d’observation de la Terre et de télécommunications. Le poste couvre l’ensemble du cycle de vie du système, depuis la définition des exigences et le développement d’algorithmes jusqu’au support des opérations en orbite.\nResponsabilités principales:\nDéfinir les exigences fonctionnelles, de performance et de sûreté du système GNC et assurer leur traçabilité\nProduire la documentation technique (spécifications, ICD, documents système)\nRéaliser des analyses et simulations de dynamique orbitale et d’attitude afin d’évaluer les performances du système\nConcevoir et valider des algorithmes de détermination d’attitude, de détermination d’orbite et de contrôle\nDévelopper des lois de contrôle pour la stabilisation 3 axes, les manœuvres de pointage et le maintien à poste\nCollaborer avec les équipes logiciel embarqué, avionique et systèmes pour l’intégration des fonctions GNC\nDéfinir les spécifications et interfaces des capteurs et actionneurs\nPréparer et exécuter les activités d’intégration, vérification et validation, incluant les essais SIL/HIL\nRéaliser des analyses de fiabilité et de sécurité (FMEA, FTA)\nSoutenir les revues de conception, les phases d’avant-projet ainsi que les opérations en orbite\nEncadrer des ingénieurs juniors et contribuer à l’amélioration continue des processus et standards d’ingénierie\n Required Qualifications:\nBachelor’s degree in Aerospace Engineering, Electrical Engineering, Physics, or a related field\n10+ years of GNC/AOCS experience on LEO, MEO, or GEO spacecraft programs, or on other related aerospace projects\nStrong expertise in orbital mechanics, attitude dynamics, and control system design\nExperience with spacecraft sensors, actuators, and real-time embedded systems\nProficiency with MATLAB/Simulink, STK, Confluence, and Jira\nHands-on experience in system integration, testing, and troubleshooting\nExcellent written and verbal communication skills in English; French is an asset\n***\nQualifications requises :\nBaccalauréat en génie aérospatial, génie électrique, physique ou domaine connexe\nPlus de10 ans d’expérience en GNC/AOCS sur satellites en orbite LEO, MEO ou GEO; ou sur d'autres projets connexes dans l'aérospatial\nExpertise en mécanique orbitale, dynamique d’attitude et théorie du contrôle\nExpérience avec les capteurs de navigation, actionneurs et systèmes embarqués temps réel\nMaîtrise d’outils tels que MATLAB/Simulink, STK, Confluence et Jira\nExpérience en intégration, essais et résolution de problèmes techniques complexes\nExcellentes aptitudes de communication en anglais, le français est un atout\n Why join our team?\nGain valuable experience across various sectors and critical projects while advancing within the same company;\nEnjoy a competitive salary and a comprehensive benefits package (health and dental insurance, life and long-term disability insurance, group RRSP with company Access continuous training to expand your knowledge and stay on the cutting edge of technology;\n-Access continuous training to expand your knowledge and stay on the cutting edge of technology;\nBuild a personalized career path aligned with your professional goals;\nExplore international work opportunities through our mobility program and global presence;\nJoin a dynamic, specialized, and growing team where communication is key and each team member is valued;\nBe part of a team where professional fulfillment is a priority (team buildings, happy hours, marathons, and much more!).\n***\nPourquoi rejoindre notre équipe ?\nAcquérir une expérience enrichissante au sein de divers secteurs et projets critiques tout en évoluant dans une même entreprise ;\nProfiter d'un salaire compétitif et d'un ensemble d' avantages sociaux attractifs (assurance santé et dentaire, assurance vie et invalidité de longue durée, REER collectif avec contribution de l'entreprise, congés maladie, etc.) ;\nAccéder à des formations continues pour élargir vos connaissances et rester à la pointe des technologies ;\nConstruire un plan de carrière personnalisé, aligné avec vos objectifs professionnels ;\nExplorer des opportunités de travail à l'international grâce à notre programme de mobilité et notre présence mondiale ;\nIntégrer un groupe dynamique, spécialisé et en pleine croissance, où la communication est essentielle et où chaque membre de l'équipe est valorisé ;\nFaire partie d'une équipe où l' épanouissement professionnel est une priorité (team buildings, 5 à 7, marathons, et bien plus encore !).","description_format":"text","description_chars":7601,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":false},"security_clearance":false,"languages":[{"language":"French","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":["Dental insurance"],"hiring_locations":[{"name":"Canada","iso":"CA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Embedded & Electronics Design","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-10T23:48:54Z"}],"visa":[{"country":"CA","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Positions approved through LMIA in 12 months: 2","filings_12m":2,"filings_prev_12m":8,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"High Wage","cap_exempt":false,"checked_at":"2026-11-11T07:38:50+00:00","sources":["ESDC: employers issued a positive LMIA"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":38,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-11-11T05:49:22Z"},"pay":null,"html_url":"https://alion.io/job/scalian-guidance-navigation-control-gnc-systems-engineer","json_url":"https://alion.io/job/scalian-guidance-navigation-control-gnc-systems-engineer.json","meta":{"generated_at":"2026-11-11T19:10:33Z","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":36979,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"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":181348},"rest":"https://alion.io/mcp/rest/get_company?id=181348"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fscalian-guidance-navigation-control-gnc-systems-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%2Fscalian-guidance-navigation-control-gnc-systems-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%2Fscalian-guidance-navigation-control-gnc-systems-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/scalian-guidance-navigation-control-gnc-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fscalian-guidance-navigation-control-gnc-systems-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4045707}},{"tool":"search_jobs","arguments":{"company":"scalian.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4045707},"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. Docs: https://alion.io/developers"}}