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93 ai simulation engineer jobs at 52 companies in California

2mo
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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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3mo
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AI Engineer — Learn Engine: Platform & Simulation
San Francisco, California, United States
OnsiteFull Time
Hellyeah AI
Hellyeah AI: AI-powered automated advertising and growth engine.
Experience building platform/tooling systems with TypeScript or Python; browser automation or simulation experience; strong product instincts; AI-first development.
TypeScript, Python, Browser automation, Screen capture, Simulation, Experimentation infrastructure, Mastra, LangChain, LLM orchestration
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Electrical Simulation CAE Engineer
San Jose, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Strong electrical background; develop and scale electrical simulation tools and workflows; validate and support simulation applications; experience with AI/ML applied to signal integrity, power integrity, EMI/EMC, magnetics, or electromagnetic simulation.
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1mo
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Physical AI Engineer – Simulation & Synthetic Data
Fremont or United States
HybridFull Time
TD SYNNEX
TD SYNNEXNYSE: SNX: Distributes information technology products and provides supply chain services.
5+ YOE5+ years in robotics/RL/simulation/applied ML; hands‑on RL/imitation learning, simulation agent training, NVIDIA Omniverse/Isaac Sim/USD experience preferred; foundation model integration; strong Python and deployment experience.
NVIDIA Omniverse, Isaac Sim, USD, GPT, Claude, Opus, Python
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Senior Applied AI Engineer, Product Simulation
Santa Clara, California, United States
$184k-$357k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
8+ YOEBS/MS in EE/CE/CS (or equivalent) with 8+ years in silicon bringup, firmware, or productization; deployed production Python services and LLM-backed systems; ability to read silicon characterization outputs and run new AI tooling.
Python, CUDA, LLM, CI
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1d
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Senior Engineer - Modeling & Simulation
Thousand Oaks or Cambridge or New Albany
$115k-$156k/yr HybridFull Time
Amgen
AmgenNASDAQ: AMGN: Develops and manufactures biotechnology medicines for serious diseases.
2+ YOEEngineering degree and computational modeling experience required; preferred skills include physics-based modeling, FEA, programming, simulation software, AI/ML, version control, and medical device development.
Python, MATLAB, C++, Finite Element Analysis (FEA), SIMULIA, 3DEXPERIENCE, ABAQUS, ANSYS, LS-DYNA, COMSOL, Git, GitLab, CI/CD, Monte Carlo simulation, Design for Six Sigma (DFSS), Agile, Scrum, AI/ML
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Advanced AI Engineer - Structural Analysis & Python
Torrance, California, United States
$185k-$231k/yr HybridFull Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
5+ YOEBachelor's in technical discipline, 5+ years aerospace/mechanical engineering, 2+ years physics-based AI model development, 3+ years simulation scripting, experience with CFD/structural analysis and NVIDIA physics‑AI tools.
Physics NEMO, Modulus, Warp, Python, PyTorch, TensorFlow, JAX, PyVista, Matplotlib, Plotly, Abaqus Python scripting interface, Ansys PyAnsys, APDL, MLOps
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2mo
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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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Senior Applied AI Engineer, Product Simulation
Santa Clara, California, United States
$184k-$357k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
8+ YOEBS/MS in EE/CE/CS or equivalent, 8+ years in silicon bringup/firmware/productization, production Python services and LLM-backed systems experience, ability to read silicon characterization outputs, strong AI tooling experience.
Python, CUDA, LLM
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Principal / Sr. Principal AI Software Engineer
Dulles or Colorado Springs or El Segundo
$138k-$258k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEU.S. citizen with active DoD Top-Secret clearance (ability to obtain SCI/SAP), 5+ years AI engineering experience (level dependent), expertise in ML/RL/SL, strong software engineering and simulation experience.
Python, JAX, PyTorch, C++, CUDA, MATLAB/Simulink, Windows, Linux
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3mo
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Principal Design AI Engineer
San Jose, California, United States
$176k-$298k/yr OnsiteFull Time
Micron Technology
Micron TechnologyNASDAQ: MU: Manufacturer of semiconductor memory and data storage products.
8+ YOEMS in electrical engineering (PhD preferred), 8+ years NAND design experience, analog/mixed-signal design and layout, circuit verification and simulation, Python automation, Cadence and UNIX proficiency.
HSPICE, Fast SPICE, Verilog, Python, Cadence, LVS, DRC, UNIX, EDA tools
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Senior AI Engineer
Hawthorne, California, United States
$140k-$164k/yr OnsiteFull Time
Oligo
Oligo: Automating spacecraft design and manufacturing with AI foundation models.
4+ YOEMaster's or higher in CS/ML,4+ years building ML/AI systems,strong Python/PyTorch and C++/C# skills,experience with classical algorithms and simulation-in-the-loop development.
Python, PyTorch, C++, C#, Ansys, GMAT, Thermal Desktop, OpenCascade, CadQuery, SolidWorks, Fusion360
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Systems Engineer, Spacecraft Design & Simulation
Long Beach, California, United States
$112k-$159k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
4+ YOEBachelor's in engineering/physics, 4+ years spacecraft systems or mission analysis experience, broad subsystem knowledge (power, thermal, ADCS, orbital mechanics), rigorous validation mindset, AI-assisted workflows familiarity, able to read and review code.
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Senior AI/ML Research Engineer – Model development
Sunnyvale, California, United States
$167k-$283k/yr OnsiteFull Time
Intuitive
IntuitiveNASDAQ: ISRG: Robotic-assisted systems for minimally invasive surgery.
5+ YOEMS or PhD in CS/EE/Robotics, 5+ years applied AI/ML research experience; experience training/fine-tuning multimodal/foundation models, simulation-to-real workflows, and strong Python/C++ and PyTorch/TensorFlow/JAX skills.
Python, C++, PyTorch, TensorFlow, JAX, NVIDIA Isaac Sim, JEPA, MAE, DINO
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2w
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Staff Software Engineer, Simulation
Sunnyvale, California, United States
$157k-$247k/yr RemoteFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
5+ YOEBS/MS/PhD or equivalent experience,5+ years production Python,experience building test frameworks or large-scale simulation tests,AI tool integration experience,strong communication and cross-team leadership.
Python, GitHub Copilot, Cursor, AMP, SQL, Looker, Streamlit, ROS, Airflow, DBT
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3w
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Principal / Sr. Principal AI Software Engineer
Dulles or Colorado Springs or El Segundo
$138k-$258k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEU.S. citizenship and active DoD Top Secret clearance with ability to obtain SCI/SAP; 5+ years AI engineering experience (RL/SL/ML); proficiency coding in Python,C/C++,CUDA; simulation and physics-based autonomy experience.
Python, JAX, PyTorch, C/C++, CUDA, MATLAB/Simulink, Windows, Linux
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Sr. Vehicle Modelling Engineer, Applied AI Systems
Irvine or Palo Alto
$135k-$186k/yr HybridFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle technology and AI-enabled systems for electric vehicles.
BS/MS in engineering or equivalent; strong Python; experience building LLM applications, RAG/semantic search, and AI tooling; systems engineering and physical simulation familiarity; GitLab CI/CD experience.
Python, OpenModelica, Julia, Simulink, FMI, FMU, LangChain, LlamaIndex, LLM, GitLab, GitLab CI/CD, RequiTest, DBC, ARXML
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Senior Staff Physical AI Data Algorithm Engineer
Santa Clara or Mountain View
$203k-$344k/yr OnsiteFull Time
XPeng
XPengNew York Stock Exchange: XPEV: Designs and manufactures smart electric vehicles and autonomous technology.
3+ YOEMaster’s or higher in CS/AI/Automation; 3+ years in multi-modal AI or AI data platform; experience with on-vehicle data upload, cloud processing, training and simulation integration.
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Member of Technical Staff - Simulation (Synthetic Data Generation), Frontier AI & Robotics (FAR)
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOEBachelor's in CS (or equivalent), 5+ years software development, 5+ years programming and systems design experience, Python proficiency (familiarity with C++), experience in 3D domains and asset/pipeline automation.
Python, C++, Universal Scene Description (USD), OpenVDB, Blender, Houdini, Unreal Engine, Unity
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Senior AI Research Engineer
Fremont or Salem or Pittsburgh
$195k-$304k/yr HybridFull Time
Agility Robotics
Agility Robotics: Develops bipedal humanoid robots for industrial warehouse automation.
3+ YOE3+ years developing learning-from-demonstration; strong Python and PyTorch skills; experience with robot data collection and hardware testing; MS in robotics/CS or related; familiarity with simulation and RL methods.
Python, PyTorch, DiffusionPolicy, Mujoco, Isaac Sim, C++
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