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45 software simulation engineer jobs at 19 companies in Laguna Niguel, CA

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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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Software Engineer, Sensor Simulation
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
4+ YOE4+ years professional C++ experience, proficiency with Unreal Engine or robotics/autonomy sensor simulation, strong CS fundamentals (data structures, algorithms, concurrency), experience debugging remote systems and performance tools, willing to travel ~10%, eligible for U.S. Secret clearance.
C++, Unreal Engine, gdb, bpftrace, perf, Rust, Linux, HLSL, Vulkan, CUDA, Lattice OS
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Senior Vehicle 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.
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.
Python, Julia, MATLAB, Docker, Continuous Integration/Continuous Deployment (CI/CD)
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Software Engineer, Engineering Simulation & Automation (Vehicle Engineering)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
SpaceX
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.
ANSA, Star-CCM+, OpenFOAM, Abaqus, OpenTD, CalculiX
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Senior Robotics Software Engineer, Simulation & Evaluation
Irvine, California, United States
$155k-$180k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
3+ YOE3+ years developing robotics simulation tools or related robotics software; strong C++ and/or Python skills; experience with Isaac Sim, Gazebo, MuJoCo, Unity, Unreal, or custom simulators; familiarity with ROS2, URDF/SDF, and debugging simulator-to-robot gaps.
C++, Python, Isaac Sim, Gazebo, MuJoCo, Unity, Unreal, ROS2, URDF, SDF, Omniverse, USD, PhysX, Docker, CMake, Bazel, GitHub Actions
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Director – Modeling & Simulation Software
El Segundo or Chantilly
$168k-$252k/yr OnsiteFull Time
The Aerospace Corporation
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%).
C++, Python, Java, Go, Rust
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Modeling & Simulation Systems Engineer 4 (AHT)
Los Angeles, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
6+ YOERequires BS (or MS) in engineering/physics/software/systems with 6+ years (8+ with BS), proficiency in C/C++, MATLAB or python, Secret clearance, dynamics/kinematics experience, and experience with requirements verification or related tools.
C++, C, MATLAB, python, Jenkins, AFSIM, JSE, CMAKE, SysML, CAMEO, HPC
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2w
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Senior Software Engineer
El Segundo, California, United States
$212k-$286k/yr OnsiteFull Time
Boeing
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.
C++, Java, JavaScript, Perl, Python, Visual Basic, Git, Linux, MATLAB/Simulink, Rust, AWS, Azure, CI/CD
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Senior Software Engineer
El Segundo, California, United States
$212k-$286k/yr OnsiteFull Time
Boeing
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.
C++, Java, JavaScript, Perl, Python, Visual Basic, Git, Linux, MATLAB, Simulink, Rust, AWS, Azure
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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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Simulation Platform Partner Product Owner, Architect
Lake Forest or Houston or Philadelphia
$142k-$271k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
7+ YOE7+ years in process industry; MS in Chemical Engineering; domain expert in chemical process simulation; experience with AVEVA Process Simulation or similar; Python coding ability; agile experience.
Python, C#, C++
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Senior Ground Software Engineer (Maritime)
Los Angeles, California, United States
$130k-$180k/yr OnsiteFull Time
Odin Dynamics
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
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Senior Principal Algorithm Software Systems Engineer
Cypress, California, United States
$150k-$234k/yr OnsiteFull Time
Leonardo DRS
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.
Julia, C++, Python, MATLAB
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Software Quality Assurance Engineer (Onsite)
Carlsbad, California, United States
$75k-$85k/hr HybridFull Time
Full Swing Golf
Full Swing Golf: Manufacturer of professional-grade golf simulators and launch monitors.
3+ YOE3+ years QA experience, BS/MS in Computer Science or Engineering required, test plan and automation experience, JIRA/TestRail and Microsoft Office proficiency, Python preferred, Unity/C# preferred, ability to perform repetitive physical simulator testing, willingness to travel up to 25%.
JIRA, TestRail, Microsoft Office, Python, Unity, C#
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RF Engineer
El Segundo, California, United States
$76k-$144k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEDegree in electrical engineering or STEM, 2+ years microwave RF design experience, experience with RF design, simulation, test and production support, ability to obtain DoD Secret clearance, proficiency with listed RF software and lab equipment.
Keysight ADS, National Instruments AWR Microwave Office, Sonnet EM, Ansys HFSS, AutoCAD, Keysight Genesys, SystemVue, Matlab, Mentor DxDesigner, eXpedition
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2mo
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Guidance Navigation & Control (GNC) Engineer
Los Angeles, California, United States
$110k-$200k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOESenior GNC engineer responsible for architecture, verification, and flight software for K2 satellites; strong background in control algorithms, simulations, and programming.
Python, Julia, C/C++, Matlab, 6-DOF simulation
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1w
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Computational Aeroelasticity Developer
Irvine or Pune
$98k-$182k/yr OnsiteFull Time
Cadence Design Systems
Cadence Design SystemsNASDAQ: CDNS: Develops computational software and hardware for electronic system design.
0+ YOEPh.D. in a relevant engineering field, research experience in computational aeroelasticity or multidisciplinary simulation, software development experience in C++/Python, and familiarity with HPC and aeroelastic methods.
MSC Nastran, Abaqus, ZAERO, FUN3D, SU2, SCFLOW, Fidelity, Charles, Fluent, STAR-CCM+, CFD++, C++, Python, MPI, OpenMP, CUDA, GPU
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Senior Spacecraft GNC Engineer II
Long Beach, California, United States
$162k-$243k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
8+ YOEBS and 8+ years GNC/ADCS experience, US eligibility for ITAR-regulated work, experience with flight software, simulation, testing, customer interfacing, and team mentoring.
Jira
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4w
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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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