Mission Systems Architect

Mission Systems Architect

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented MISSION SYSTEMS ARCHITECT to join our team supporting the Marine Corps Warfighting Lab in STAFFORD, VA.

Responsibilities include but are not limited to:

• Define and translate mission objectives into system architectures, requirements, and design specifications in alignment with DoDAF/UAF standards.
• Develop mission concepts of operations (CONOPS), operational scenarios, and performance models to ensure comprehensive mission planning and execution.
• Apply Model-Based Systems Engineering (MBSE) methods and tools to generate, maintain, and interpret mission architecture views, ensuring traceability between mission needs and technical solutions.
• Lead integration, verification, and validation efforts to confirm system readiness and mission success across the program lifecycle.
• Collaborate with cross-functional teams and stakeholders—including analysts, warfighters, developers, and subject matter experts—to align mission objectives with system capabilities and drive continuous improvement.

Minimum Qualifications:

• Bachelor's or graduate degree in Computer Engineering, Electrical Engineering, Systems Engineering, Information Systems, or a related technical field.
• Minimum of 7 years of experience in systems engineering, software development, or related engineering discipline, with exposure to complex systems and architectures. A total of 12 years' experience without a degree.
• Hands-on experience applying DoDAF and/or UAF for system architecture definition, visualization, and documentation.
• Proficiency with requirements management tools (e.g., DOORS, Jama, Cameo) and model-based systems engineering (MBSE) methodologies, including modeling and simulation tools (e.g., SysML, MATLAB, Simulink).
• Strong communication skills with the ability to convey complex technical concepts clearly across multi-disciplinary teams and stakeholders.

Preferred Qualifications:

• Proficiency in one or more programming languages such as C++, Python, or Java.
• Experience with hardware/software integration and familiarity with network architectures and protocols.
• Advanced expertise with modeling and simulation tools and technologies (e.g., Cameo & SysML, MATLAB, Simulink, ExtendSim).
• Demonstrated success operating in fast-paced, multi-disciplinary environments supporting mission-driven objectives.

Clearance Requirements:

• Must have a current/active DoD TS/SCI security clearance

Physical Requirements:

• Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.