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.

### Required Qualifications

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%.

### 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.).

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 orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Modeling Simulation Software Engineer

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