330 simulation engineer jobs at 106 companies in Buena Park, CA

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Senior GNC Simulation Engineer
Long Beach, California, United States
$148k-$204k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEDesign and develop 6DOF GNC simulations, implement solvers, integrate subsystem models, and contribute to HITL testing in a startup aerospace environment.
C++, Rust, Python, Software simulation
2mo
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Robotic Simulation Engineer
Torrance, California, United States
$122k-$194k/yr OnsiteFull Time
Divergent
Divergent: Develops digital manufacturing systems for complex vehicle structures.
1+ YOEMechanical engineering degree or 6+ years manufacturing experience; 1+ yrs robotic simulation studies or 2+ yrs programming six-axis robots (KUKA, ABB, FANUC, Yaskawa); proficiency with Process Simulate/Teamcenter/Tecnomatix and CAD (NX); lift up to 50 lbs; climb ladders; strong communication.
Process Simulate, Teamcenter, Tecnomatix, NX, KUKA, ABB, FANUC, Yaskawa
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Senior Simulation Engineer
Los Angeles, California, United States
$170k-$215k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
8+ YOE8+ years in closed-loop simulation tools (6DOF, SITL, HITL); BS in CS/CE/AE; MS a plus; proficient in C/C++, Rust, Python; Linux; Docker; CI/CD; experience with physics-based simulations.
C/C++, Rust, Python, Linux, Docker, CI/CD
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Modeling & Simulation Engineer
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$140k-$190k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
5+ YOEBachelor's degree in a quantitative field, 5+ years supporting defense or advanced tech programs, proficiency in Python and MATLAB, experience with mission-level simulations (AFSIM, ESAMS, Brawler, Ansys STK), statistical analysis, Linux, and eligibility for Top Secret/SCI clearance.
AFSIM, ESAMS, Brawler, Ansys STK, Python, MATLAB, Pandas, Polars, NumPy, SciPy, Scikit-Learn, Matplotlib, Seaborn, CuPy, PyTorch, Linux, MAK VR-Forces, SIMDIS, PX4, X-Plane, Gazebo, NVIDIA Omniverse
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GNC Engineer, Modeling & Simulation
Huntington Beach, California, United States
$130k-$220k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
3+ YOEBachelor’s in Engineering, Physics, or Mathematics; 3+ years in navigation or simulation; proficient in C++ and Python; experience with Git, Jira; familiarity with CI/CD.
C++, Python, Git, Jira, CI/CD
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Electrified Powertrain Simulation Engineer
Riverside, California, United States
$115k-$125k/yr OnsiteFull Time
ENC
ENC: Manufacturer of heavy-duty transit buses and shuttle vehicles.
5+ YOEDevelop electric powertrain simulations; strong controls/system engineering background; MATLAB/Simulink; CarSim; AVL Cruise; heavy-duty vehicles; bachelor's in mechanical or electrical engineering; 5+ years experience.
MATLAB/Simulink, CarSim, AVL Cruise, SolidWorks, PLM
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Simulation Engineer I, Arc Vehicle
Playa Vista, California, United States
$71k-$124k/yr OnsiteFull Time
Inversion Space
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.
C++, Python, Linux, Git, MATLAB/Simulink, ROS/ROS2, Docker, CI/CD, HPC, SIL, HIL
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Senior Modeling & Simulation Engineer
Gardena, California, United States
OnsiteFull Time
Singularity Defense
Singularity Defense: Develops low-cost autonomous missile and air defense systems.
7+ YOEBachelor's in computer science or related field, 7+ years building simulations or numerical modeling frameworks, proficient in Rust and Python, strong understanding of flight dynamics, rigid body dynamics, and numerical integration.
Rust, Python, C++, Rapier, Bevy, WebGL, OpenGL, Three.js, JSBSim, Gazebo
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Modeling & Simulation Engineer – Operations Analysis
Los Angeles, California, United States
$140k-$190k/yr OnsiteFull Time
Hikinex
Hikinex: Provider of outsourced sales and administrative business solutions.
5+ YOEBachelor’s degree or higher in engineering or related technical field; 5+ years defense/aerospace experience; strong simulation tools; Python/MATLAB skills; Linux; US citizenship with Top Secret/SCI clearance preferred.
AFSIM, ESAMS, STK, Brawler, Python, MATLAB, Linux
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Mid-level or Senior Modeling and Simulation Engineer
El Segundo or Mesa
$120k-$198k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Degree in engineering/CS/math/physics/chemistry, systems engineering experience, proficiency with MATLAB, Python or C++, MBSE/SysML experience preferred, simulation of satellite communications and orbital design preferred.
MATLAB, Python, C++, Java, MBSE, SysML, NoMagic Cameo
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Mid-level or Senior Modeling and Simulation Engineer
El Segundo or Mesa
$120k-$198k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEBachelor's degree in engineering/CS/math/physics/chemistry, systems engineering experience, proficiency with MATLAB/Python/C++ (or similar), experience developing models/simulations for space systems; Top Secret/SCI clearance required.
MATLAB, Python, C++, Java, MBSE, SysML, NoMagic Cameo
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Senior Modeling & Simulation Engineer: National Security Missions
Los Angeles, California, United States
$160k-$200k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOERequires active or recent TS/SCI clearance, US citizenship, SAP access, classified-program experience, a STEM bachelor's degree, 5+ years of modeling and simulation experience, and Rust, C++, or scientific Python development experience.
Rust, C++, Python, NumPy, SciPy, Julia, MATLAB, Linux
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Simulation Software Engineer
Los Angeles, California, United States
OnsiteFull Time
Revel
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.
C++, Rust, TypeScript, Python
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Network Modelling and Simulation Engineer
El Segundo, California, United States
$129k-$194k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
6+ YOEBachelor's in CS/CE/EE or related; 6+ years in data analysis, OSI/TCP-IP, network design and modeling/simulation; deep routing/switching knowledge; software development in Python or C/C++; ability to present results; ability to obtain security clearance (U.S. citizenship required); travel up to 10%.
Python, C/C++, OSI model, TCP/IP
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Mission Modeling & Simulation Engineer (OPIR / Mission Engineering)
Los Angeles, California, United States
$120k-$150k/yr OnsiteFull Time
Stellar Solutions
Stellar Solutions: Provides engineering and technical services for aerospace and defense.
3+ YOEBachelor's in relevant technical field,3+ years M&S or systems engineering experience,experience with space/OPIR programs,active TS/SCI or ability to obtain,strong analytical and communication skills.
MATLAB, Python
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Systems Modeling Simulation Engineer (Engineer or Principal Engineer Level)
Palmdale or Los Angeles
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOESTEM bachelor's plus 2 years or master's required; principal level requires 5 years with bachelor's, 3 with master's, or 1 with PhD. Requires C#/C++/Java, simulation experience, active Secret clearance, and SAP eligibility.
C#, C++, Java, AFSIM, Suppressor, Brawler, Tortoise SVN, Bitbucket, GitHub, GitLab
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Optical Modeling and Simulation Engineer
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
4+ YOEB.S. in Optical Engineering/Physics/EE/CS (M.S./Ph.D. preferred), 4+ years relevant experience (4–7 preferred) including synthetic training data and EO/IR M&S, Python, CUDA, cloud/MODTRAN/DIRSIG experience, U.S. Person required.
Python, MODTRAN, MUSES, DIRSIG, CUDA, AWS, GCP, Azure, Git, Claude Code, Codex, OpenCode, Kilo, Unreal Engine, Unity, Zemax, Code V, NV-IPM, DTED
2w
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Modeling Simulation and Analysis Engineer (Engineer or Principal Engineer Level)
Redondo Beach, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOERequires a STEM bachelor's degree plus 2–5 years of relevant experience, or an advanced STEM degree with qualifying experience. Requires object-oriented simulation, military operations analysis, Secret clearance eligibility, and SAP clearance eligibility.
Python, AFSIM, CFAM, STORM, COSAGE, Jira, Confluence, Bitbucket, GitHub
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Senior Industrial Engineer, Simulation
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
6+ YOE6+ years building simulation or operations-research models for manufacturing; expertise with discrete-event simulation, statistics, optimization, Python and SQL; ability to validate models and communicate results to non-technical leaders.
Siemens Tecnomatix Plant Simulation, Simio, FlexSim, AnyLogic, Arena, ProModel, SimPy, Python, SQL, Palantir Foundry, Postgres, Streamlit, Dash, Power BI, Claude
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Propulsion Engineer, Propulsion Simulation & Data Analysis
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree in computer science, engineering, or STEM; 1+ year physics-based simulation experience and 1+ year software development experience. Requires modeling, data analysis, and communication skills.
Unix-like operating systems