Senior MBSE Engineer – Digital Engineering for Space

Science Applications International Corp.; Chantilly (VA); On-site; USD 180,000 - 220,000; Full time

Job summary

SAIC seeks a Model Based Systems Engineer (MBSE) to support the Prime SETA program within the NRO in Chantilly, VA. You will advance Digital Engineering and MBSE adoption across mission-critical national security systems, collaborating with government leaders, SETA teammates, FFRDC partners, and development contractors.

Key responsibilities include applying MBSE and Digital Engineering to develop mission architectures, requirements, CONOPS, and engineering models; creating and maintaining

Qualifications

• Required education combinations with 9+ years experience; advanced degrees acceptable in lieu of years.
• Active Top Secret/SCI clearance with Polygraph.
• Experience in MBSE, Digital Engineering, SysML and model-centric approaches for architecture development.
• Experience with government acquisition processes and Agile development in mission-critical environments.

Responsibilities

• Apply MBSE, Digital Engineering, and systems engineering best practices to support the development and modernization of mission-critical ground systems.
• Develop and refine mission architectures, requirements, CONOPS, and engineering models.
• Create and maintain digital models supporting architecture development, requirements traceability, technical analysis, and lifecycle management.
• Champion model-centric engineering approaches to improve rigor, collaboration, and reuse across the enterprise.
• Support development of acquisition artifacts including SOWs, RFPs, technical requirements, and proposal evaluations.
• Collaborate across government, SETA, FFRDC, and contractor organizations to define future mission needs and capabilities.
• Facilitate technical exchanges, architecture reviews, and stakeholder engagements to drive alignment and informed decision-making.
• Identify and manage dependencies, risks, and integration challenges across multiple programs.

Skills

MBSE

Digital Engineering

SysML

Architecture frameworks

Stakeholder engagement

Briefing skills

Technical leadership

Education

Bachelor's degree in Engineering, Computer Science, Mathematics, Physics, or related STEM

Master's degree

PhD/JD

Tools

SysML

Job description

SAIC seeks a Model Based Systems Engineer (MBSE) to support the Prime SETA program within the NRO in Chantilly, VA. You will advance Digital Engineering and MBSE adoption across mission-critical national security systems, collaborating with government leaders, SETA teammates, FFRDC partners, and development contractors.

Key responsibilities include applying MBSE and Digital Engineering to develop mission architectures, requirements, CONOPS, and engineering models; creating and maintaining