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217 simulation testing jobs at 126 companies in California

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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
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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2mo
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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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Software Quality Simulation Specialist
Mountain View, California, United States
$130k-$145k/yr OnsiteFull Time
Kodiak Robotics
Kodiak RoboticsNASDAQ: KDK: Develops autonomous driving technology for commercial trucking and defense.
3+ YOEBachelor's in Engineering/CS required; 3+ years in simulation/QA/test automation and 2+ years in autonomous vehicle/robotics preferred; familiarity with Python or C++ and large-scale simulation workflows; strong communication and problem-solving.
Python, C++, Applied Intuition
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3w
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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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Principal Robotics Simulation Architect
Austin or Santa Clara
$179k-$306k/yr HybridFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Senior robotics simulation expert with experience in digital twins, sim-to-real pipelines, cloud-based simulation, and AI integration; proficient with ROS/ROS2 and SIL/HIL testing.
NVIDIA Isaac Sim, Gazebo, MuJoCo, Webots, Unreal Engine, ROS, ROS2, PyTorch, TensorFlow
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Staff Software Engineer, Simulation
Sunnyvale, California, United States
$160k-$246k/yr HybridFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
7+ YOE7+ years in evaluation, simulation, or test frameworks; Python production experience; cross-team leadership; CS/engineering degree.
Python
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Simulation Engineer
Sunnyvale or Toronto
OnsiteFull Time
Cerebras Systems
Cerebras SystemsNasdaq: CBRS: Manufactures specialized computer chips designed for AI.
Bachelor's degree in CS/CE, strong C++ skills, computer architecture knowledge, debugging and problem-solving, collaboration with hardware teams; Python and test/CI experience preferred.
C++, Python
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Simulation Software Engineer
Goleta, California, United States
$110k-$180k/yr OnsiteFull Time
Toyon Research
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.
C++, Python, Git, GitLab, Bitbucket, Scripting
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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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Senior Satellite Simulation & Test Software Engineer - TeraWave
Seattle or Los Angeles or Denver
$182k-$277k/yr OnsiteFull Time
Blue Origin
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.
C, C++, Python, Google Test, Git, CI/CD, containerized environments, IPC, sockets, shared memory, message queues, publish-subscribe middleware, NASA's Trick, cFS, CCSDS, MISRA C/C++, Linux, QNX, VxWorks, RTEMS, TCP/IP, UDP, CAN, I2C, SPI, RS-422/485
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Camera Simulation FEA Engineer
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Design, develop, test, and qualify camera hardware from sensor to lens; collaborate across teams to research and implement camera technologies.
FEA
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2w
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Staff Hardware Testing and Design Engineer
San Diego, California, United States
$153k-$202k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
3+ YOEMaster's in EE/CE/CS/Optical Sciences or related plus 3 years' experience; leading hardware test and design, performing simulations, developing manufacturing/test solutions, documenting and troubleshooting complex designs.
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Air Force Joint Simulation Environment (JSE) Modeling and Simulation (M&S) Engineer
Edwards Air Force Base, California, United States
$110k-$165k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: An engineering services delivering modeling, simulation, and test solutions for defense customers.
3+ YOE3+ years in technical R&D/test environments, Bachelor\u0002s in engineering or CS, active SECRET clearance required, US citizenship, proficiency with Python and MATLAB, V&V and test planning experience.
Python, MatLab/Simulink, C++, JIRA, CONFLUENCE, MATLAB, Next Generation Threat System (NGTS), Digital Integrated Air Defense System (DIADS), Linux, Windows, DOORS, Jama, AFSIM
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Battery Safety Simulation & Test Engineer
San Carlos, California, United States
$134k-$184k/yr OnsiteFull Time
Joby Aviation
Joby AviationNYSE: JOBY: Manufacturer of electric vertical takeoff and landing aircraft.
3+ YOEBS+3yrs or MS+1yr in mechanical/thermal/physics or related; understanding of battery hazards; thermodynamics, heat transfer, fluid dynamics knowledge; hands-on test experience; strong communication.
CFD, FEA, CATIA, Python, LabVIEW, ANSYS Fluent, COMSOL, STAR-CCM+, MATLAB/Simulink
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Simulation Runtime Software Engineer (Senior)
Palo Alto, California, United States
$220k-$265k/yr HybridFull Time
Vinci
Vinci: AI software for rapid hardware design and physics simulation.
Deep experience in HPC/runtime systems, parallel computing, and GPU programming (CUDA/ROCm/Triton). Familiarity with MPI/MPICH/ZMQ/OpenMP, production data systems, statistical validation, and ML basics; strong software engineering and testing discipline.
MPI, MPICH, ZMQ, OpenMP, CUDA, ROCm, Triton, Ray
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1d
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Air Force Joint Simulation Environment (JSE) Modeling and Simulation (M&S) Engineer
Edwards Air Force Base, California, United States
$110k-$165k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
3+ YOE3+ years technical RDT experience, bachelor's in engineering or computer science, proficiency with Python and MATLAB, experience with V&V, test planning, clearance required (Active SECRET; TS/SCI desired), U.S. citizenship, up to 20% travel.
Python, MATLAB, Simulink, C++, JIRA, Confluence, Next Generation Threat System (NGTS), Digital Integrated Air Defense System (DIADS), Linux, Windows, DOORS, Jama, AFSIM
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Environmental Simulation Lab & Reliability Department Manager / SME
Santa Clara, California, United States
$145k-$160k/yr OnsiteFull Time
Eurofins Scientific
Eurofins ScientificEuronext Paris: ERF: Global provider of analytical testing and laboratory services.
5+ YOE5+ years environmental testing or ESL experience, BS in Mechanical or Electrical Engineering preferred or 10+ years related experience; SME in environmental/dynamics/electronics; valid driver’s license; ability to lift 30 lbs, climb, travel locally; authorized to work in the U.S.
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Hardware-in-the-loop Simulation Engineer
Palo Alto, California, United States
$190k-$202k/yr HybridFull Time
Wing
WingNASDAQ: GOOGL: Autonomous drone delivery service for small packages and logistics
3+ YOE3+ years developing autonomous systems and embedded test infrastructure; proficiency in C/C++, Python, Linux; hands-on embedded OS and hardware integration experience; B.S./M.S. or equivalent experience.
C, C++, Python, Linux
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Modeling, Simulation & Analysis (MSA) Engineer - HITL Focus
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOEBachelor's in a technical field required, 3+ years MSA experience (8+ for senior), HITL/SITL and flight-test experience, proficiency in C/C++, MATLAB/Simulink, scientific Python (NumPy/SciPy), aerospace systems knowledge, eligible for U.S. Top Secret clearance.
C, C++, MATLAB, Simulink, Python, NumPy, SciPy, NI, Speedgoat, dSPACE
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