{"id":114003,"url":"https://alion.io/job/agile-defense-system-engineer-mbse","title":"System Engineer (MBSE)","company":{"id":716156,"name":"Agile Defense","domain":"agiledefense.com","url":"https://alion.io/company/agiledefense","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":77,"open_postings":39,"ghost_share":0,"stale_share":0.923,"repost_share":0,"time_to_fill_p50_days":37,"computed_at":"2026-11-08T05:47:12Z"}},"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":["Saint Louis, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":103000,"max_usd":196000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1808},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Azure DevOps","optional":false},{"name":"Cameo Systems Modeler","optional":false},{"name":"Configuration Management","optional":false},{"name":"MBSE","optional":false},{"name":"Verification & Validation","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-06-05T00:54:57Z","employer_posted_date":"2026-06-05","last_verified_at":"2026-11-08T15:04:06Z","board_verified":true,"closed_at":null,"days_open":156,"trust":{"level":"stale","repost_count":1,"flags":["stale"],"days_open":156},"description":"Requisition #: 1647\nJob Title: System Engineer (MBSE)\nLocation: Hybrid, St Louis, MO\nClearance Level: Secret, Must Have Clearance to Start\nJob Description\nThis position Applies a collaborative, interdisciplinary systems engineering approach to plan, design, develop, integrate, and verify complex systems and system-of-systems solutions throughout the lifecycle. Analyzes customer and operational requirements to define system performance, ensure compatibility across technical and program interfaces, and optimize overall system architecture. Conducts engineering analyses to support affordability, reliability, maintainability, safety, cybersecurity, certification, and mission assurance objectives. Leads requirements management, risk and issue management, technology readiness assessments, and systems engineering processes while resolving cross-functional technical challenges to ensure successful mission outcomes.\nPerform analysis to optimize total system and/or system architecture to solve complex mission planning problems.\nApply interdisciplinary, collaborative approaches to plan, design, develop and verify system solutions.\nDefine and coordinate system performance requirements and integrate technical parameters.\nDefine high level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower-level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation.\nPerform analyses for affordability, safety, reliability, maintainability, testability, survivability, human systems integration, survivability, vulnerability, susceptibility, system security, regulatory, certification, product assurance, product security (cyber security) and other specialties quality factors into a preferred configuration to ensure mission success.\nUtilization of Model-Based Systems Engineering (MBSE) tools such as Cameo, and mathematical modeling and simulation to develop system definitions and perform trade studies in assigned areas\nPerform risk assessments and generate mitigation plans for various programs with regard to compliance with system requirements and customer capabilities\nDevelop verification and validation methods, processes, logic, and plans in support of program milestones.\nDevelop and document software system requirements\nAnalyze and translate requirements into system architecture, hardware and software designs and interface specifications\nTest and validate to ensure system designs meet operational and functional requirements.\nEducation and Background\nBachelor, Master or Doctorate of Science degree from an accredited course of study, in Computer Engineering, Software Engineering, Computer Science, Mathematics, or other technical degreeExperience with software configuration management tools such as Team Foundation Server/Azure DevOps\nExperience writing and analyzing test procedures and software requirements\nExperience with OFP (Operational Flight Program) SIL (System Integration Lab) testing\nYears of Experience\n5+ years\nRequired Skills\n5+ years of experience in system engineering, 1+ years of experience with Scaled Agile Framework or Agile Methodologies\nWorking Conditons\nTypical office environment.","description_format":"text","description_chars":3325,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United 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