55 software simulation engineer jobs at 24 companies in Calabasas, CA
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Simulation Software Engineer
Los Angeles, California, United States
OnsiteFull Time
Revel: Modern software platform for controlling complex hardware systems.
Bachelor's or Master's in CS/Software Engineering, strong C++ and/or Rust, knowledge of physics/applied math, modern engineering practices (testing, code reviews, CI/CD), strong problem-solving and communication.
Toyon Research: Develops advanced technology and analysis for national defense systems.
2+ YOEBS or higher in CS/engineering/physics/math; 2+ years experience; strong C++/Python; version control; testing; scripting; Monte Carlo/probability methods.
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
5+ YOEBachelor's degree and 5+ years experience in large-scale simulation engineering or distributed computational modeling; proficiency in Python or C++; experience with Monte Carlo campaigns, big-data analysis, and HPC; U.S. citizenship required.
Senior Satellite Simulation & Test Software Engineer - TeraWave
Seattle or Los Angeles or Denver
$182k-$277k/yrOnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOEBachelor's degree in CS/SE/Aerospace, 10+ years spacecraft or embedded simulation/software experience, strong C/C++ and Python skills, simulation architecture and verification experience, familiarity with flight interfaces and IPC, U.S. work eligibility required.
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
3+ YOE3+ years in closed-loop simulation tools; BS in CS/CE/EE/Aerospace; proficient in C/C++, Python; Linux; Docker; CI/CD; experience with SITL/HITL; strong analytical skills.
Venturi Astrolab: Designs and builds robotic rovers for Moon and Mars exploration.
10+ YOELead real-time and faster-than real-time simulations; 10+ years experience; 3+ years leading a team; integrate simulations with vehicle software; strong C++ and Python; model validation and sensor/actuator modeling.
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
2+ YOEUndergraduate or graduate degree in engineering/CS/physics, 2+ years relevant experience (rocketry or complex hardware preferred), strong proficiency in Python/Julia/MATLAB, simulation and software tooling experience, ability to lead multidisciplinary analysis.
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOESTEM degree (BS/MS), experience with SDLC, C/C++/Python, familiarity with simulation environments, experience with listed DevOps tools, active U.S. Secret clearance and ability to obtain SAP.
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOE1+ years software development; 1+ years in a simulation domain; bachelor’s degree in engineering/CS/data science/math/physics or 4+ years in lieu of degree.
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
1+ YOEBachelor's in CS/CE/Aerospace/Mechanical or equivalent experience; 1+ years internship/research/professional experience in software or physics-based simulation; proficiency with C++ or Python on Linux; strong physics and numerical analysis; familiarity with Git.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOESTEM bachelor's with 2 years (or STEM master's), SDLC experience, proficiency in C/C++/Python, experience with listed CI/SCM tools, active U.S. Secret clearance and ability to obtain SAP, 2+ years engineering experience.
The Aerospace Corporation: Provides technical expertise and research for national space programs.
10+ YOEBachelor's in STEM, 10+ years engineering/scientific experience, track record of technical achievement, experience with C++ or Python, leadership and team-building experience, ability to obtain Top Secret/SCI clearance, occasional domestic travel (<20%).
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
10+ YOERequires 10+ years modeling & simulation or systems engineering/software development experience, active U.S. Secret clearance, bachelor\u0002s degree or equivalent, proficiency in modern programming languages and Git/Linux.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in engineering/technical field, experience developing C++ software on Windows and Linux, familiarity with CMake, TCP/UDP and DDS, Agile/Jira experience, ability to integrate and test real-time simulation software; must be a U.S. citizen with active Secret clearance.
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
10+ YOEActive U.S. Secret clearance, Bachelor's or equivalent,10+ years modeling & simulation or systems/software experience,5+ years modern programming (C++,Java,Python,etc.),Git/Linux experience.
Modeling & Simulation Software Engineering Intern - Fall 2026
Los Angeles, California, United States
$25-$33/hrOnsiteInternship
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
0+ YOEPursuing a degree in Computer Science, Aerospace Engineering, Electrical Engineering, Applied Mathematics, or related field; proficient in Julia or Python/MATLAB/C++; knowledge of 6DOF dynamics; experience with data validation and modeling; GPA 3.0+; strong communication and teamwork.
Lynx Software Technologies: Provides secure, safety-certified software for aerospace and defense.
5+ YOEBachelor's in STEM,5+ years C++ development,OMS architecture experience, Linux, DDS/pub-sub, service-oriented design, interface/ICD work, simulation/integration testing, active Secret clearance,ability to work onsite.
Odin Dynamics: Developing autonomous underwater vehicles for defense and maritime missions.
U.S. citizenship and security-clearance eligibility; deep full‑stack frontend/backend experience; telemetry and time‑series data systems experience; testing (unit, integration, simulation/SIL/HITL); field test and sea‑trial support; mentoring and hands‑on production development.
CI/CD, AI-assisted development tools, SIL, HITL, static analysis, profiling
Senior Principal Algorithm Software Systems Engineer
Cypress, California, United States
$150k-$234k/yrOnsiteFull Time
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
10+ YOE10+ years experience with detection/tracking algorithms, Kalman filtering expertise, proficiency in Julia/C++/Python/MATLAB, simulation experience, BS degree in relevant field, U.S. citizenship and ability to obtain DOD clearance.