USD 120000–160000/yr

Modeling Simulation Software Engineer

OtherSimulation Software Engineer
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Quick Summary

Key Responsibilities

Be a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team informing the United States Space Force acquisition decision process.

Requirements Summary

At least one programming language: MATLAB, Python, Java, C#, or C++. Live, virtual, and/or constructive (LVC) simulation techniques and technologies.

Technical Tools
OtherSimulation Software Engineer
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 Modeling Simulation Software Engineer for a role in El Segundo, CA.
 
As a established modeling and simulation developer, you will contribute expertise in simulation as a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team.  Your knowledge and talent will guide the team in assembling and releasing an ever-growing portfolio of space mission operations analysis simulations and trade studies.
 
Role and Responsibilities include:
  • Be a member of a fast-paced multidisciplinary mission operations modeling, simulation, and analysis team informing the United States Space Force acquisition decision process.
  • Your background and interest in simulation development will be highly valued in developing and testing simulation applications. You'll be integrating mission simulation tools into an automated system-level trade study execution architecture.
  • You will have a strong hand in defining requirements, specifying designs, and implementing an ever-growing portfolio of space mission operations analysis simulations and trade studies. 
  • Bachelors degree in aerospace, astronautics, mathematics, or physics and five (5) years of experience with:
  • At least one programming language: MATLAB, Python, Java, C#, or C++.
  • Live, virtual, and/or constructive (LVC) simulation techniques and technologies.
  • Simulation development experience with simulation environments such as STK, AFSIM, GMAT, or FreeFlyer.
  • MATLAB and/or Simulink or other simulation scripting languages.
  • Preparing and delivering presentations and technical demonstrations.
  • Satellite orbital mechanics & maneuvers, remote sensing, spacecraft launch/command/control, and/or satellite communications. 
  • Equivalent experience with airborne systems is applicable to this role.
  • Managing files & directories, network file sharing, installing software & licenses, and command line shell (Windows Cmd or Bash).
  • Active TS clearance with in-scope T5/SSBI is required, along with SCI eligibility and participation in Continuous Evaluation.
  • Must meet all requirements for SCI and SAP access and be willing to undergo a polygraph examination.
  • Travel is 10%.
    • Simulation software development, test, and integration experience in a team environment.  Use of Agile methodology and Atlassian Jira are beneficial.
    • Prior industry experience in aerospace or space & defense.
    • Systems engineering, with experience defining and executing trade studies. Engineering methodologies such as Model-Based Systems Engineering (MBSE), Multidisciplinary Design Analysis Optimization (MDAO), or Model-Based Design are a plus.  Demonstrated knowledge of supporting toolsets such as Cameo Enterprise Architect, Sparx Systems EA, or Ansys ModelCenter would be helpful.
    • Participation in engineering peer reviews, both as a developer and as a reviewer.
    • Advanced degree in engineering with emphasis on applications to space launch, orbit propagation, and maneuvering.
    • Professional certification (e.g., Professional Engineer, INCOSE CSEP, ITEA CTEP, Agile PM/PO, OMG OCSMP, etc.).

    Location & Eligibility

    Where is the job
    El Segundo, United States
    On-site at the office
    Who can apply
    US

    Listing Details

    Posted
    April 28, 2026
    First seen
    April 30, 2026
    Last seen
    May 4, 2026

    Posting Health

    Days active
    4
    Repost count
    0
    Trust Level
    48%
    Scored at
    May 5, 2026

    Signal breakdown

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    Modeling Simulation Software EngineerUSD 120000–160000