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Defense Modeling Simulation Jobs in California (NOW HIRING)

SAIC

Modeling Simulation Software Engineer

El Segundo, CA · On-site

$120K - $160K/yr

As our established modeling and simulation developer, you will contribute expertise in simulation ... Prior industry experience in aerospace or space & defense. * Systems engineering, with experience ...

SAIC

Modeling Simulation Software Engineer

El Segundo, CA · On-site

$120K - $160K/yr

As our established modeling and simulation developer, you will contribute expertise in simulation ... Prior industry experience in aerospace or space & defense. * Systems engineering, with experience ...

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Defense Modeling Simulation information

What is the difference between Defense Modeling Simulation vs Defense Systems Engineer?

AspectDefense Modeling SimulationDefense Systems Engineer
Required CredentialsBachelor's or higher in engineering, computer science, or related fields; often certifications in modeling and simulationBachelor's or higher in engineering, systems engineering, or related fields; certifications in systems engineering may be preferred
Work EnvironmentResearch labs, defense contractors, government agencies; focus on simulation development and analysisDesign, develop, and integrate defense systems; work in engineering teams within defense companies or military organizations
Employer & Industry UsagePrimarily in defense research, simulation development, and testingInvolved in system design, integration, and lifecycle management of defense platforms

Defense Modeling Simulation specialists focus on creating and analyzing simulations to test defense concepts, while Defense Systems Engineers design and develop actual defense systems. Both roles require engineering backgrounds but differ in their core responsibilities and work environments.

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Defense Modeling Simulation jobs near you

Modeling & Simulation Engineer

Singularity Defense Corp.

Gardena, CA • On-site

Full-time

Posted 17 days ago

Job description

About the Company:
We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and several Silicon Valley firms. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand.
Job Overview:
As a GNC Engineer focused on Simulations, you will lead the development of high-fidelity physics-based simulations for end-to-end missile flight and guidance validation. These simulations serve as a digital proving ground for our flight software, autonomy stack, and control systems-enabling us to iterate rapidly and validate in silico what would otherwise require expensive, slow, or impossible real-world testing.
You'll own simulation architecture, real-time physics integration, and testbed development. If you're comfortable writing performant simulation code in Rust and Python, and you're looking to do impactful work on a system that must work the first time, this is your chance.
Key Responsibilities:
  • Design high-performance 6-DOF flight and physics simulations
  • Build simulation components that replicate real-world dynamics and sensor behavior
  • Integrate guidance, navigation, and control (GNC) logic into full-stack simulations
  • Develop Monte Carlo, Hardware-in-the-Loop (HITL), and closed-loop test infrastructure
  • Collaborate closely with flight software, autonomy, and hardware teams to ensure simulation fidelity matches real-world constraints
  • Create tooling to support scenario authoring, data visualization, and performance analysis
  • Own simulation pipeline performance and determinism across a wide range of conditions

Basic Qualifications:
  • Bachelor's degree in Computer Science or a related technical field
  • 5+ years of experience building simulations or numerical modeling frameworks
  • Proficient in Rust and Python for performance-critical and test-driven development
  • Understanding of rigid body dynamics, kinematics, numerical integration, and physics
  • Experience building tools for flight dynamics, aerospace simulation, or autonomous systems

Preferred Qualifications:
  • Experience with Monte Carlo testing, sensor emulation, and closed-loop control validation
  • Familiarity with real-time systems, latency-sensitive architectures, or distributed simulation
  • Experience deploying or validating autonomous systems (missiles, drones, satellites, or vehicles)
  • Familiarity with Rust game engines or physics libraries (e.g., Rapier, Bevy)
  • Exposure to 3D rendering for simulation visualization (e.g., WebGL, OpenGL, Three.js)
  • Contributions to aerospace open source or simulation frameworks (e.g., JSBSim, Gazebo)

Itar Requirements
  • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C.
  • 1157, or (iv) Asylee under 8 U.S.C.
  • 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

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