USD 140000–170000/yr

Model Based Systems Engineer

United StatesEl SegundoFull-timemid
Systems EngineerInfrastructure & Cloud
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Quick Summary

Key Responsibilities

Provide leadership advice on mission engineering strategies for SoS architectures and strategic messaging to key operational and government stakeholders.

Technical Tools
Systems EngineerInfrastructure & Cloud
Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers.  Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.

SSI is seeking a Model Based Systems Engineer for a role in El Segundo, CA.
 
Role and Responsibilities include:
  • Provide leadership advice on mission engineering strategies for SoS architectures and strategic messaging to key operational and government stakeholders.
  • Provide systems engineering and mission architecting support.
  • Technical requirements generation/review/compliance, space systems technical review and assessment, and risk assessment.
  • Identify activities and functions critical to mission thread development, deriving and modeling the as-is and to-be functional and physical architectures.
  • Provide program and technical insight to the modeling and analysis staff regarding system architecture designs, interfaces, schedule, and assumptions.
  • Drive integration and utilization of Digital Engineering practices of Model-Based Systems Engineering and Modeling, Simulation, & Analysis to include the conversion of legacy Systems Engineering content into digital formats.
  • Bachelor of Science in Engineering or a relevant discipline with 9+ years of experience with:
    • Systems engineering and architecting for major systems acquisitions.
    • Model-Based Systems Engineering (MBSE) methods and descriptive modeling frameworks such as SysML.
    • Cameo Systems Architect or Sparx Enterprise Architect.
    • DoDAF views on system of system architectures and plans.
    • Must have an in-scope security background investigation (T5), adjudicated for SCI eligibility and enrolled in the Continuous Evaluation program (as applicable).
    • TS/SCI clearance required. 
    • Travel is 10%.
  • Master’s Degree, 7+ years of relevant experience is preferred.
  • Fluency in Department of War architectural frameworks (e.g., DoDAF).
  • Military Space Operations with an emphasis in Space Domain Awareness programs and capabilities.
  • Experience working in development environment and, or U.S. Government weapons system program office.
  • Led the integration of MBSE with Modeling and Simulation leading to a validated and verified system architecture.
  • Professional certification (e.g., Professional Engineer, INCOSE CSEP, etc.).
  • Knowledge of Digital Engineering and operational analysis processes and tools, as well as their application in producing data-driven analysis results.
  • Listing Details

    Posted
    March 16, 2026
    First seen
    March 26, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    29
    Repost count
    0
    Trust Level
    34%
    Scored at
    April 24, 2026

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    Model Based Systems EngineerUSD 140000–170000