Junior Modeling Simulation Software Engineer

Job ID 2616551

Location El Segundo, CA, US

Date Posted 2026-09-04

Category Engineering and Sciences

Subcategory Modeling/Sim Engr

Schedule Full-Time

Shift Day Job

Travel Yes - 10% of the time

Minimum Clearance Required Top_Secret

Clearance Level Must Be Able to Obtain TS/SCI with Poly

Potential for Remote Work ORA_ON_SITE

Description SAIC’s Horizon program is seeking you, our latest Modeling and Simulation Software Engineer , to support the U.S. Space Force’s mission of delivering warfighter capability via the Space Systems Command’s Program Executive Office for Space Combat Power. This position is located in El Segundo, California . As our 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.

Fun stuff on the job you will do

• 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.

Qualifications This is you

• Bachelors degree in aerospace, astronautics, mathematics, or physics and two (2) 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).
• Must have an in-scope security background investigation (TS or SSBI), adjudicated for SCI eligibility and enrolled in the Continuous Evaluation program (if applicable).
• Must be willing to be nominated for access to Sensitive Compartment Information and Special Access Programs and willing to consent to a Polygraph examination.

Desired Qualifications

• 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.).

Target salary range $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.