31 software simulation engineer jobs at 16 companies in Lynnwood, WA
1mo
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Senior Satellite Simulation & Test Software Engineer - TeraWave
Seattle or Los Angeles or Denver
$182k-$277k/yr OnsiteFull Time
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
3d
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Senior System Software Engineer - Simulation Software
Santa Clara or Austin or Hillsboro or Seattle
$152k-$242k/yr OnsiteFull Time
5+ YOEBachelor's or master's degree or equivalent experience in a related engineering field, 5+ years of software development, C/C++, Python, Linux, simulation platforms, debugging, automation, and system software experience.
C, C++, Python, SystemC, VDK, Linux
3d
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Senior System Software Engineer - Simulation Software
Santa Clara or Austin or Hillsboro or Seattle
$152k-$242k/yr OnsiteFull Time
5+ YOERequires a BS/MS in a relevant engineering or computer science field, 5+ years of software development, C/C++, Python, Linux, simulation platforms, debugging, automation, and system software experience.
C, C++, Python, SystemC, VDK, Linux
2mo
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Software Engineer, Sensor Simulation
Seattle or Costa Mesa
$166k-$220k/yr OnsiteFull Time
4+ YOE4+ years professional C++ experience, proficiency with Unreal Engine or robotics/autonomy systems, strong CS fundamentals, experience with debugging/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, SITL, HITL
2mo
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Senior Software Engineer - 3D Simulation Applications
Foster City or Seattle
$208k-$300k/yr HybridFull Time
5+ YOEBachelor’s/Master’s/PhD in CS with 5+ years in software engineering and systems design; Python and/or C++; ML concepts; customer deployment experience; strong communication and cross-team collaboration.
Python, C++, Machine Learning, Cloud Computing
1mo
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Software Dev Engineer II, SCOT-OSS, Simulation
Bellevue, Washington, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development, 2+ years design/architecture, experience with C#, C++, Java, or Perl, object-oriented design, and a Bachelor's in CS/Engineering/Mathematics; SDLC experience preferred.
C#, C++, Java, Perl, AWS
2mo
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Software Engineer II or Senior Software Engineer - Simulation Platform
Redmond or Mountain View
$102k-$235k/yr HybridFull Time
2+ YOEBachelor's in CS or related + 2+ years coding experience (C++, C, Python) or equivalent; systems/low-level programming, computer architecture knowledge, and ability to pass Microsoft background screening.
C++, C, Python, Rust, eBPF, PCIe, DMA, RDMA, GPU, TPU
1w
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Software Engineer, C++ Simulations (Starlink)
Redmond, Washington, United States
$125k-$200k/yr OnsiteFull Time
1+ YOEBachelor's degree in STEM and 1+ year of software development, or 4+ years of professional C++ or numerical simulation experience. Requires expert C++, performance optimization, testing, and software architecture skills.
C++, Python, JavaScript, Monte Carlo, hardware-in-the-loop (HITL), continuous integration, unit testing, integration testing
1w
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Senior Software Engineer - Whidbey Island
Oak Harbor, Washington, United States
OnsiteFull Time
7+ YOEU.S. citizenship and active DoD Secret clearance required. Bachelor's in electronics/computer engineering or computer science, 7+ years software development for modeling & simulation, Windows/Linux experience, familiar with development/diagnostic tools.
Microsoft Windows, Linux, Microsoft .NET, Assembly, C, C++, Java, Windows Server 2008R2, Windows Server 2012R2, Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
1d
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AFSIM Modeler/Software Engineer
Redmond, Washington, United States
$145k-$185k/yr RemoteFull Time
2+ YOERequires 2+ years of hands-on AFSIM experience, C++ or Python skills, simulation modeling and debugging expertise, software engineering fundamentals, and a technical bachelor's degree or equivalent experience.
AFSIM, C++, Python, Git, Linux
2mo
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Backend Software Engineer - Simulations
Arlington or New York City or Seattle or Arlington
OnsiteFull Time
4+ YOE4+ years software engineering; production-grade software; Python/C++/Go; math/physics background; strong ownership.
Python, C++, Go, AWS, Kubernetes, Linux
3mo
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Senior GNC Engineer
Seattle, Washington, United States
$150k-$200k/yr OnsiteFull Time
5+ YOESenior GNC engineer with 5+ years in GNC/controls, strong dynamics/control theory, MATLAB/Simulink, Python, and flight software or simulations.
MATLAB/Simulink, Python
4w
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ML Agent Engineer
Seattle, Washington, United States
OnsiteFull Time
Experience building systems for AI agents, reinforcement learning, and simulation environments; strong software engineering and research collaboration skills.
1mo
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Director of Software Engineering, Behaviors and Planning
Seattle, Washington, United States
$200k-$300k/yr OnsiteFull Time
5+ YOE2+ MgmtPhD in a relevant field, 5+ years post-PhD autonomy software experience, 2+ years leading engineering teams; deep expertise in motion planning, behavior architecture, vehicle control, simulation/verification; U.S. person and eligible for clearance.
ROS2, MPPI, RRT, GIS
1mo
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Satellite Operations Engineer
Tukwila, Washington, United States
$100k-$180k/yr OnsiteFull Time
0+ YOEUS person required; willing to work from Tukwila, WA; software development experience; familiarity with Python and C++; B.S. preferred; numerical simulation experience beneficial.
Python, C++
3mo
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Sr. Flight Navigation Engineer
Mountain View or Seattle or Remote
$215k-$300k/yr HybridFull Time
8+ YOEMS in aerospace, electrical, or computer science; 8+ years navigation algorithm experience; C/C++ flight software; Python data analysis; knowledge of Kalman filtering, GNSS/inertial navigation; strong communication
C++, Python, Flight Software, Kalman Filtering, GNSS, Inertial Navigation, Simulation
1mo
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SDET - Automation Engineer
Kirkland, Washington, United States
OnsiteContract
10+ YOE10+ years SDET/automation experience, strong Java/JavaScript and JUnit skills, expertise in Selenium/Playwright and API/UI testing, CI/CD and test framework knowledge, quality tool proficiency, and strong communication.
Selenium, Playwright, React, Storybook, Rest API, Java, JavaScript, JUnit, XML, SQL, TestRail, HP-ALM/QC, TFS, SpiraTest, TestDirector, Git, Bitbucket, IntelliJ IDEA, VSCode, Visual Studio, web proxies, simulators, emulators, SQL clients, Pact, Spring Boot, Azure, AWS, GCP
1mo
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SystemC Modeling Developer
Redmond, Washington, United States
$80k-$120k/yr RemoteFull Time
8+ YOE8+ years in SystemC/TLM modeling, pre-silicon simulation, or architectural modeling; strong C/C++, computer architecture, performance analysis, and debugging skills; bachelor's or master's degree required.
SystemC, TLM2.0, C, C++, Synopsys Virtualizer, Cadence VSP, QEMU, SystemVerilog, PCIe, CXL, NVMe, Ethernet, BIOS, RTL