{"id":54735,"url":"https://alion.io/job/vantor-sr-staff-software-systems-engineer-core-mission-systems","title":"Sr Staff Software Systems Engineer - Core Mission Systems","company":{"id":15008,"name":"Vantor","domain":"vantor.com","url":"https://alion.io/company/vantor","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":11,"ghost_share":0,"stale_share":0.636,"repost_share":0,"time_to_fill_p50_days":36,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Westminster, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":128000,"max":170000,"currency":"USD","period":"year","gross":null,"usd_annual":170000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"ChatGPT","optional":false},{"name":"Claude","optional":false},{"name":"Cameo Systems Modeler","optional":true},{"name":"MBSE","optional":true},{"name":"SysML","optional":true}],"status":"live","first_seen_at":"2026-08-12T00:00:00Z","employer_posted_date":"2026-08-12","last_verified_at":"2026-11-09T06:06:19Z","board_verified":true,"closed_at":null,"days_open":89,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":89},"description":"Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.\nTo be eligible for this position, you must be a U.S. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.\n\nExport Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).\nPlease review the job details below.\nThe Senior Staff Software Systems Engineer serves as a senior technical authority across one or more mission-system domains supporting United States Government customers. This role is responsible for defining, integrating, and evolving complex software-intensive mission systems spanning software, cloud infrastructure, networking, cybersecurity, data management, and operational workflows. Working across engineering disciplines and organizational boundaries, this engineer ensures independently developed capabilities function as a cohesive, resilient, secure, and mission-ready system. The role partners directly with government customers, program leadership, domain owners, architects, software engineers, operations, and security stakeholders to understand mission needs, shape technical direction, resolve cross-domain issues, and guide execution across multiple engineering teams. Success in this role requires strong systems thinking, software architecture expertise, technical leadership, and the ability to balance mission performance, interoperability, cybersecurity, schedule, lifecycle cost, and long-term maintainability across complex operational environments. This position involves regular interaction with customers supporting classified and unclassified government programs and may require limited travel.\nResponsibilities\nServe as the senior technical authority across one or more mission-system domains, providing technical leadership throughout the system lifecycle.\n\nPartner directly with U.S. Government customers and internal stakeholders to understand mission needs, validate requirements, and translate operational objectives into technical direction.\n\nLead system architecture, technical trade studies, and engineering decisions that balance mission performance, interoperability, cybersecurity, resiliency, schedule, and long-term sustainability.\n\nGuide the integration of software, cloud infrastructure, networking, cybersecurity, and operational capabilities into cohesive, mission-ready systems.\n\nIdentify and mitigate technical risks, resolve cross-domain integration challenges, and ensure successful delivery of complex system capabilities.\n\nServe as a trusted technical advisor to customers, program leadership, and engineering teams.\n\nMentor engineers, foster technical excellence, and establish systems engineering practices across multiple teams.\n\nChampion the responsible use of AI-assisted engineering to improve systems analysis, architecture development, technical documentation, and engineering efficiency.\n\nAI-Enabled Systems Engineering\nArtificial Intelligence is changing how software-intensive systems are engineered. We are seeking engineers who understand that as AI accelerates software development, strong systems engineering becomes increasingly critical.\nApply AI-assisted engineering techniques to improve systems analysis, architecture development, requirements evaluation, interface analysis, risk identification, documentation, and engineering workflows.\n\nEvaluate AI-generated technical work products using sound engineering judgment and mission context.\n\nIdentify opportunities to improve engineering efficiency while maintaining the rigor required for mission-critical and classified environments.\n\nEnsure AI-assisted engineering practices align with security, data protection, and customer requirements.\n\nBasic Qualifications\nBachelor's degree in Systems Engineering, Computer Science, Aerospace Engineering, Electrical Engineering, Geographic Information Systems, or a related technical discipline.\n\nMinimum of eight years of progressively responsible experience designing, integrating, or operating complex software-intensive systems.\n\nActive TS/SCI security clearance.\n\nDemonstrated experience applying systems engineering principles to complex software-intensive systems.\n\nStrong understanding of modern software architecture, including distributed systems, APIs, cloud computing, data flows, integration patterns, resiliency, and cybersecurity principles.\n\nExperience developing or evaluating system architectures and conducting technical trade studies.\n\nExperience integrating complex systems across multiple engineering disciplines.\n\nStrong written, verbal, and interpersonal communication skills.\n\nDemonstrated ability to influence technical decisions across organizational boundaries.\n\nExperience using AI-assisted engineering tools such as ChatGPT, Gemini, Claude, or similar.\n\nWorking knowledge of AWS cloud environments.\n\nAbility to travel approximately once per quarter.\n\nPreferred Qualifications\nExperience supporting National Security Space, Intelligence Community, or Department of Defense programs.\n\nWorking knowledge of spacecraft subsystems, satellite operations, or other mission-critical software-intensive systems.\n\nExperience with MBSE and SysML tools (Teamcenter, MagicDraw, Enterprise Architect, Cameo, or similar).\n\nExperience with service-oriented, microservices, or event-driven architectures.\n\nExperience integrating systems across multiple security domains or Cross Domain Solutions.\n\nExperience with cloud-native architectures and containerized environments.\n\nExperience leading technical modernization efforts.\n\nDemonstrated success mentoring senior engineers and providing technical leadership across multiple engineering teams.\n\nWhat Success Looks Like\nShape technical direction across mission-system domains.\n\nBuild alignment across engineering organizations while maintaining a focus on mission outcomes.\n\nResolve complex integration challenges before they become program risks.\n\nBalance customer needs with sound engineering judgment and long-term architectural sustainability.\n\nImprove engineering practices and technical decision-making across multiple teams.\n\nDevelop other technical leaders.\n\nDeliver resilient, secure, and mission-ready capabilities.\n\nPay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.\n•The base pay for this position within Colorado is: $128,000.00 - $170,000.00 - $187,000.00 annually.For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.\nBenefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers\nAdditionally, this position is incentive eligible with a target based on contribution, company performance, and/or individual results achieved; the specific incentive plan and target amount will be determined based on the role and breadth of contributions.The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.\nThe date of posting can be found on Vantor's Career page at the top of each job posting.\nTo apply, submit your application via Vantor's Career page.\nEEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. 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