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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System of Systems Architect - **Company:** ASGN Incorporated - **Location:** Reston, VA, United States - **Salary:** $200,000.0 - $230,000.0 - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Systems Engineering, Microsoft Azure, Cyber Security, Computer Engineering, Distributed Systems, Network Interface Controllers, Software Tools, Rhapsody, Zero Trust Network Access, Service-Oriented Architecture, Systems Modeling Language, Systems Architecture, UML, Apex Code, C4ISR, MagicDraw, Cloud Platform System, Togaf, Containerization, Information Technology, DODAF, Microservices - **Published:** October 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9247815/system-of-systems-architect ## About the Role * Bachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline. Additional applicable experience may be considered in lieu of a degree based on contract requirements. * Approximately 10 or more years of systems engineering, system architecture, enterprise architecture, or related experience. Candidates with fewer years may be considered if they possess a strong foundational background and directly relevant experience. * Demonstrated understanding of both system architecture and systems engineering principles. * Experience with Model-Based Systems Engineering and architecture modeling. * Experience using the Department of Defense Architecture Framework, or DoDAF, to develop and maintain architecture products. * Experience collecting, interpreting, and documenting information from architecture models. * Experience drafting architecture artifacts, technical documentation, interface documentation, models, diagrams, roadmaps, or related engineering materials. * Experience architecting systems within relevant mission domains such as space systems, air systems, intelligence systems, C4ISR, or similar DoD or Intelligence Community environments. * Experience defining interfaces and supporting integration across multiple independent systems, services, stakeholders, or mission domains. * Familiarity with SysML, UML, UAF, MBSE tools, interface control documents, data models, or sequence diagrams. * Understanding of the systems engineering lifecycle, including requirements analysis, architecture and design, integration, testing, deployment, and sustainment. * Ability to work effectively on a small engineering team while collaborating across a larger, multidisciplinary program. * Strong communication and briefing skills with the ability to explain complex technical concepts clearly. * Professional, collaborative, solutions-oriented approach when working in close proximity to government customers. * Ability to work effectively with different personalities, receive feedback, and contribute to a respectful, low-drama team environment. * Ability to travel up to approximately 10%, although travel is expected to be limited., * Master's degree in Systems Engineering, Computer Science, or a related technical field. * Experience supporting Air Force, Intelligence Community, DoD C4ISR, space, air, intelligence, or other mission-critical systems. * Experience with SysML modeling tools such as Cameo, MagicDraw, Rhapsody, or Enterprise Architect. * Familiarity with software-intensive and distributed systems, including APIs, messaging, service-oriented architectures, or microservices. * Experience with cloud environments, containerization, orchestration, digital engineering environments, simulation, analytics, or CI/CD pipelines. * Familiarity with cybersecurity, zero trust, RMF, NIST, or NIST 800-53 requirements. * Experience developing enterprise, portfolio, or capability evolution roadmaps. * Relevant certifications such as INCOSE CSEP or ESEP, TOGAF, SAFe Architect, CISSP, Security+, or an AWS/Azure architecture certification. ## Description Apex Systems is currently hiring a System-of-Systems Architect to support a large federal client's mission-critical national security program. This individual will define and evolve the end-to-end architecture for a complex ecosystem of interconnected systems, services, and platforms. The System-of-Systems Architect will work closely with government stakeholders, program leadership, systems engineers, software teams, cybersecurity specialists, and operational users to ensure diverse systems integrate into a cohesive, resilient, and scalable mission capability. This is a 12-month contract-to-hire opportunity supporting an Air Force software acquisition program. The position requires full-time onsite work in a classified environment in Reston, Virginia. Project Details / Mission Supported: * Support the DIFC2 project under the CBC2 program, an Air Force initiative associated with the ABMS IDIQ. * Contribute to a software acquisition program focused on enabling and executing low-range kill chains. * Develop and maintain system-of-systems architecture across operational, logical, physical, and data views. * Collect, analyze, and translate information from architecture models into actionable engineering and program recommendations. * Define end-to-end system interfaces, integration patterns, and data exchanges across multiple systems and mission domains. * Create and maintain architecture artifacts using DoDAF, Model-Based Systems Engineering methodologies, and applicable modeling approaches. * Lead architecture trade studies, alternatives analyses, and technology assessments to support modernization and capability evolution. * Ensure traceability from mission objectives and operational needs through requirements, architecture, design, integration, and implementation. * Partner with systems engineers, MBSE modelers, software teams, and cybersecurity professionals to align architecture models with implementation roadmaps. * Develop architecture roadmaps, transition plans, technical insertion strategies, interface documentation, and supporting technical materials. * Support technical reviews and governance activities, including SRR, PDR, CDR, TRR, and architecture review boards. * Provide technical leadership to small engineering teams and communicate architectural concepts to both technical and non-technical stakeholders. * Collaborate closely with government customers and multi-contractor teams in a SCIF environment. * Participate in weekly team scrums and broader biweekly program collaboration involving approximately 27 team members.