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1,226 simulation engineer jobs at 372 companies in California

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Simulation Engineer
San Carlos, California, United States
$120k-$204k/yr OnsiteFull Time
1X
1X: Manufacturing safe, general-purpose humanoid robots for home and work.
5+ YOEBachelor's or Master's in Mechanical/Aerospace engineering, 5+ years simulation experience (thermal/structural/dynamics), proficiency with ANSYS/Abaqus/COMSOL/MSC Adams, experience validating models with test data.
ANSYS, Abaqus, COMSOL, MSC Adams, Python, MATLAB
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2w
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Staff Simulation Engineer - Core Simulation Platform
Sunnyvale or Mountain View
OnsiteFull Time
Apptronik
Apptronik: Designs and manufactures humanoid robots for industrial automation.
8+ YOE8+ years experience in robotic simulation or software engineering, strong C++ and Python skills, experience with modern simulators (Isaac Lab, MuJoCo), cloud-scale parallel simulation (AWS/GCP/Azure), reinforcement learning knowledge, Master's/PhD or equivalent experience.
C++, Python, Isaac Lab, MuJoCo, Ray, Kubernetes, AWS, GCP, Azure, CI/CD
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Simulation Engineer
Mountain View, California, United States
$200k-$360k/yr OnsiteFull Time
DensityAI
DensityAI: Designing custom AI hardware accelerators for large language models.
5+ YOE5+ years building simulators/emulators or large-scale systems, exceptional modern C++ and strong Python, computer-architecture fundamentals, testing/CI/profiling experience, and simulator performance optimization skills.
C++, Python, gem5, QEMU, SystemC-TLM, Spike, JIT
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Simulation Engineer
Redwood City, California, United States
OnsiteFull Time
Hammerhead AI
Hammerhead AI: AI-driven software optimizing data center power and computational throughput.
3+ YOE3+ years in digital twins or high-fidelity simulations; Python/Go/C++; physics-based modeling; ML/AI exposure; MS/PhD in engineering, CS, math, or physics; strong problem-solving.
Python, Go, C++, Simulation frameworks
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Senior Simulation Engineer
Milpitas, California, United States
OnsiteFull Time
UnitX
UnitX: Builds AI-powered robotics for automated visual inspection in manufacturing.
4+ YOEBachelor’s degree in CS/Robotics/Engineering with 4+ years, or Master’s/PhD with 2+ years; strong C++/Python; experience with modern simulators and 3D engines.
C++, Python, NVIDIA Isaac Sim, Drake, MuJoCo, Unreal Engine, Unity
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Simulation Engineer
Redondo Beach, California, United States
$125k-$175k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
4+ YOEBachelor’s in aerospace/mechanical/physics/math or related; 4+ years modeling/simulation; C++ and Python; dynamics/thermodynamics/fluids; Git; LabVIEW.
C++, Python, LabVIEW, Git, NI-DAQmx, Modelica, Simscape, Amesim, SIL, HIL
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2mo
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Simulation Engineer
San Francisco, California, United States
OnsiteFull Time
Humble Robotics
Humble Robotics: Developing autonomous, electric, cabless heavy-duty freight haulers.
BS/MS/PhD in CS/EE/Robotics or equivalent; strong Python; experience with simulation systems; eligible to work in the US.
Python, Simulation Systems, NeRFs, Gaussian splatting, World models, Sensor simulation
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Simulation Researcher/Engineer
Los Angeles or New York or San Francisco or Remote or United States or Singapore
$250k-$450k/yr HybridFull Time
Luma AI
Luma AI: Generative AI for high-quality video and 3D modeling.
Strong robotics simulation/graphics/physics modeling background; Python and C++ proficiency; production physics engine experience; track record building usable simulation systems.
Python, C++, Isaac Sim, MuJoCo, Bullet, PhysX, Drake
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Staff Simulation Engineer - Foundry
San Francisco, California, United States
$199k-$292k/yr OnsiteFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
10+ YOEMaster's or PhD in CS/EE/ME/Robotics/Aerospace, 10+ years in robotics or physics-based simulation, deep simulator internals expertise, simulation-autonomy integration, technical leadership experience.
MuJoCo, Gazebo, Isaac, Newton, Genesis, Covey
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Senior Simulation Engineer
Hawthorne, California, United States
$100k-$200k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
5+ YOE5+ years in custom simulation solvers; strong C/C++/CUDA; HPC/GPU experience; physics/math background.
C, C++, CUDA, GPU, High-Performance Computing (HPC)
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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
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Modeling & Simulation Engineer
Poway, California, United States
$63k-$106k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
0+ YOEBachelor's in engineering or equivalent experience, familiarity with modeling and simulation, basic programming (MATLAB, Python, C++), analytical skills, ability to obtain DoD Secret clearance.
AFSIM, Command Professional Edition (CPE), Command PE, MATLAB, Python, C++, STK, Git, LLMs
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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
Moffett Field, California, United States
$120k-$180k/yr OnsiteFull Time
Metis Technology Solutions
Metis Technology Solutions: Provides advanced engineering and technical services to government agencies.
5+ YOEBachelor’s degree in aeronautics/aerospace/mechanical/computer science; 5+ years experience; MATLAB/Simulink; Simulink Coder; C/C++; simulation management; strong communication; eager to learn SimLabs tech.
MATLAB, Simulink, C, C++, Python, Java, Simulink Coder, Windows, Linux
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2mo
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Lead Simulation Engineer
Hawthorne, California, United States
$142k-$235k/yr OnsiteFull Time
Venturi Astrolab
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.
C++, Python
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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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2w
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MTS, Simulation Infrastructure Engineer
San Carlos, California, United States
OnsiteFull Time
Genesis AI
Genesis AI: Building general-purpose robots with human-level physical intelligence.
Experience building simulation and robotics infrastructure, strong software engineering in Python or C++, and knowledge of distributed systems, data pipelines, and production engineering practices.
Python, C++, genesis-world, Isaac Sim, MuJoCo, Newton, Drake, Gazebo
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Simulation Software Engineer
Edwards, California, United States
$140k-$175k/yr OnsiteFull Time
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
15+ YOEBachelor's in engineering/physical science with 15+ years experience (Master's = +2 years, Doctorate = +5), proficiency in C++, C, FORTRAN, Java, Python, Unix/Linux, RTOS, multi-threading, and simulation V&V; U.S. citizenship and ability to obtain DoD Secret clearance.
C++, C, FORTRAN, Java, Python, Unix/Linux, RTOS, API, Simulink
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Staff Modeling & Simulation Engineer
San Jose, California, United States
$152k-$202k/yr OnsiteFull Time
Archer
ArcherNYSE: ACHR: Develops electric vertical takeoff and landing aircraft for urban mobility.
5+ YOEBS in engineering; 5+ years aerospace vehicle performance and simulation; expertise in aerodynamics for rotorcraft/VTOL; Python/MATLAB simulations; modeling techniques; strong communication.
Python, MATLAB
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1w
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Lead Thermal Simulation Engineer
San Francisco, California, United States
$342k-$445k/yr OnsiteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Experience in thermal simulation and analysis of electromechanical systems, correlating models with test data, and developing simulation workflows; familiarity with robotics and multidisciplinary collaboration.
Simcenter 3D, Abaqus, Ansys, Nastran, LS-DYNA, COMSOL
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