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