{"id":3449002,"url":"https://alion.io/job/scalian-senior-ato-system-engineer","title":"Senior ATO System 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":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"A","score":87,"open_postings":393,"ghost_share":0,"stale_share":0.519,"repost_share":0,"time_to_fill_p50_days":33,"computed_at":"2026-10-31T05:58:55Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Charleroi, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":65000,"max":75000,"currency":"EUR","period":"year","gross":null,"usd_annual":83785},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Simulink","optional":false},{"name":"SysML","optional":false},{"name":"UML","optional":false}],"status":"live","first_seen_at":"2026-10-29T09:23:49Z","employer_posted_date":"2026-10-29","last_verified_at":"2026-10-31T12:57:52Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Who are we?\nHuman and technology to scale sustainable performance\nFounded in 1989,Scalian is a French group with an international dimension, with offices in Europe and North America, specializing in business transformation through its dual mastery of business processes and digital technologies.\nIn the TOP10 engineering consulting companies in France, the Group is involved in service activities in the management of industrial projects, supply chain (costs, quality, deadlines, performance), architecture and development of embedded digital systems, computer systems applications. Information and Artificial Intelligence.\nScalian also deploys solutions for optimizing projects or the performance of organizations and responds to the challenges of transformation for leaders in industry and the tertiary sector (energy, transport, space, banking, health, environment, etc.).\n Are you aSenior ATO System Engineer looking for a new challenge?\nIf you want to expand your reach and share your knowledge with a team of professionals, contribute to the development of your colleagues' or Clients' skills, want to consolidate your expertise and grow on innovative projects, this is your opportunity!\nWhat this experience will bring you\nFirst of all, an interesting technical challenge but also an overview of our Client's projects.\nWe will build your career together and accompany you towards the development of new skills and technical leadership.\nWhat will your role be?\nWe are looking for a Senior ATO System Engineer to perform the following activities:\nManage system requirements, specifications and traceability.\nPerform functional analysis and define system architectures.\nDevelop system models using UML and/or SysML.\nManage interfaces between software, hardware and signalling systems.\nSupport system verification, validation and integration activities.\nCollaborate with Software, Safety and RAMS engineering teams.\nProduce and maintain technical documentation.\n What are we looking for in you? Experience and competencies\n7+ years of experience in Systems Engineering, preferably within railway signalling.\nStrong expertise in requirements management and system architecture.\nProficiency in UML and/or SysML modelling.\nExperience in safety-critical environments.\nKnowledge of ERTMS, CBTC or ATO systems is a strong asset.\nFamiliarity with ARCADIA/Capella or MATLAB/Simulink is a plus.\nFluent English; French is an advantage.\nSoft skills:\nProblem solving \nGood communication skills \nGoal-oriented approach \nSelf-Driven \nProactive to solution \nTeamwork \nLanguages:\nFrench (fluent, oral and written) \nEnglish (fluent, oral and written) \n Why would you take the plunge?\nBecause Scalian is a group of specialists, carrying an ambitious development project, focused on innovation and committed to its customers where you can:\nBuild a tailor-made career path, varied and adapted to your desires, thanks to the variety of missions in your area of expertise and the bridges between trades \nLearn by the quality of the projects on which you will intervene, in your specialty, and thanks to the large training catalog delivered by our internal Academy \nHave an attractive social framework that respects everyone's needs (telework agreement, crèches, social coverage, flexibility, soft mobility, etc.) \nContribute to R&D topics or participate in internal projects \nBe part of a friendly team that will make work rhyme with pleasure! \nSo want to expand the frame? Contact us to talk about it.","description_format":"text","description_chars":3483,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"French","level":"Advanced (C1)","optional":false},{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Belgium","iso":"BE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Embedded & Electronics Design","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-29T10:09:46Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":1,"expected_fill_days":33,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":{"stated_usd_annual":83785,"is_top_pay":false},"html_url":"https://alion.io/job/scalian-senior-ato-system-engineer","json_url":"https://alion.io/job/scalian-senior-ato-system-engineer.json","meta":{"generated_at":"2026-10-31T15:23:17Z","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":24012,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":181348},"rest":"https://alion.io/mcp/rest/get_company?id=181348"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fscalian-senior-ato-system-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%2Fscalian-senior-ato-system-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%2Fscalian-senior-ato-system-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-senior-ato-system-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fscalian-senior-ato-system-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3449002}},{"tool":"search_jobs","arguments":{"company":"scalian.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3449002},"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. 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