Space Systems Integration logo

Modeling Simulation Software Engineer

Space Systems Integration

Chantilly, VAJob$140–210K/yrSeen 3 days agoSeen in employer's feed 3 days ago

Most applications go out cold — see where you stand first. No sign-up to start.

You apply on the employer's site, with no Olive account needed.

Watch jobs like this.

Don't just apply. Show up ready.

Olive works from this exact posting.

At a glance

Compensation
$140–210K/yr
Location
Chantilly, VA
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Security clearanceBachelor's degree

Job overview

Space Systems Integration seeks a Modeling Simulation Software Engineer to support a multidisciplinary mission operations modeling, simulation, and analysis team informing U.S. Space Force acquisition decisions. The engineer will develop and test simulation applications, integrate mission simulation tools into an automated trade-study architecture, and help define requirements, designs, simulations, and trade studies. The role is in El Segundo, California.

Skills & qualifications

RequiredNice to have

Skills

ProgrammingLVC SimulationSimulation DevelopmentMATLABPythonJavaC#C++STKAFSIMGMATFreeFlyerSimulinkSimulation ScriptingTechnical PresentationsTechnical DemonstrationsOrbital MechanicsRemote SensingSpacecraft Launch and ControlSatellite CommunicationsFile and Directory ManagementNetwork File SharingSoftware InstallationLicense ManagementCommand LineSimulation IntegrationAgileJiraSystems EngineeringTrade Study ExecutionMBSEMDAOModel-Based DesignCameo Enterprise ArchitectSparx Systems EAAnsys ModelCenterEngineering Peer Reviews

Qualifications

Bachelor's in Aerospace, Astronautics, Mathematics, or Physics9 Years ExperienceActive TS Clearance With T5/SSBISCI EligibilitySCI and SAP Access RequirementsPolygraph ExaminationAdvanced Engineering DegreeProfessional CertificationProfessional Engineer or INCOSE CSEP or ITEA CTEP or Agile PM/PO or OMG OCSMP

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match

Full job description

::: {qa="job-description"} 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. 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. ::: ### Required Qualifications ::: {qa="posting-requirements"} - Bachelors degree in aerospace, astronautics, mathematics, or physics and nine (9) 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 and maneuvers, remote sensing, spacecraft launch/command/control, and/or satellite communications. - Equivalent experience with airborne systems is applicable to this role. - Managing files and directories, network file sharing, installing software and 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% ::: ### Desired Qualifications: ::: {qa="posting-requirements"} - 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 and 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.). ::: ::: {qa="salary-range"} $140,000 - $210,000 a year []{.small} Target salary range: $140,000 - $210,000. The estimate displayed represents the typical salary range and bonus potential for this position based on experience and other factors. We offer medical/dental/vision benefits and 401k contribution. ::: ::: {qa="closing-description"} Space Systems Integration provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientatio , or any other characteristic protected by federal, state, or local laws. ::: ::: {qa="ai-disclaimer"} #ssi #weknowhowtobuildit #spacejobs :::

How this job compares

Set against the 509 open Simulation Engineer jobs on Olive Jobs, counted November 5, 2026.

Pay
  • This posting$140–210K/yr
  • US median$130–200K/yr364 salary ranges

This range's midpoint, $175K, is 6% above the US median midpoint ($165K) — in the middle half of Simulation Engineer salary ranges across the US.

Openings
Olive Jobs lists 11 open Simulation Engineer jobs in Virginia and 509 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most across the US
Experience
This posting asks for at least 9 years of experience — more than three in four Simulation Engineer postings that state a minimum ask for (median 5 years, across 412 postings).
Education
This posting asks for a bachelor's degree; 209 of the 509 open Simulation Engineer jobs (41%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 5, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

Prepare for this role

You've read the whole posting — now see how you match it.