1mo
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Software & Simulation Test Design Engineer
Englewood, Colorado, United States
$101k-$189k/yr OnsiteFull Time
5+ YOE5+ years in software engineering; proven scalable test frameworks; strong Python/C++/Java; ITAR familiarity; experience with simulations, HIL/SIL; aerospace/defense exposure preferred.
Python, C++, Java, MATLAB/Simulink, ROS, LabVIEW
3mo
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Senior Software Engineer I/II - Simulation Engineering
Littleton or Long Beach
$120k-$160k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years experience in large-scale simulation engineering or distributed computational modeling; proficiency in Python or C++; experience with Monte Carlo campaigns, big-data analysis, and HPC; U.S. citizenship required.
Python, C++, Docker Swarm, Kubernetes
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
4w
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System Simulation Engineer
Littleton, Colorado, United States
$89k-$158k/yr OnsiteFull Time
1+ YOEUS citizen with Secret (able to obtain Top Secret) clearance; experience in flight dynamics, physics-based/time-domain simulations, and programming in C++; familiarity with software configuration tools and verification/validation of simulations.
C++, Git, Artifactory, Nexus, UNIX, LINUX, STK, MBSE, Cameo, HWIL
1mo
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RF Simulation SW Engineer
Colorado Springs, Colorado, United States
$100k-$150k/yr RemoteFull Time
3+ YOEDegree in EE/physics/math/computer engineering or related; 3+ years experience; strong C++ skills; understanding of electromagnetics, radio Tx/Rx modeling or wireless fundamentals; experience with RF modeling/simulation and DevSecOps practices.
C++, NodeJS, Python, DevSecOps, CI/CD
1mo
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Simulation Software Engineer 4
Centennial, Colorado, United States
$138k-$230k/yr OnsiteFull Time
6+ YOEBachelor's in STEM, 6+ years experience, Real Time Linux, timing-critical hardware/software experience, IV&V experience, C/C++/Python, Git, CI/CD; U.S. Person required for ITAR.
Real Time Linux, C, C++, Python, Git, CI/CD, Verilog, VHDL, DevSecOps
1w
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Software Engineer II, Model and Simulation
Broomfield, Colorado, United States
$120k-$165k/yr OnsiteFull Time
3+ YOE3+ years modeling and simulation experience for aerospace missions, expert C++ and Python, BS in STEM, experience with distributed compute and stakeholder-driven development.
C++, Python, Basalisk, STK, GMAT
2mo
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Software Engineer, Modeling and Simulation, Space
Colorado Springs, Colorado, United States
$143k-$191k/yr OnsiteFull Time
Python experience; full-stack web or desktop engine development; strong CS/Math/Physics background; English proficiency; Top Secret clearance.
Python, JavaScript, CSS, HTML, C++, GLSL, OpenGL, WebAssembly, Three.js, Git, GitHub, Cython
1mo
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Mission Data & Simulation Integration Engineer
Colorado Springs or El Segundo or Huntsville or Chantilly
$151k-$227k/yr OnsiteFull Time
8+ YOEBachelor’s in STEM; 8+ years software engineering; experience with DE, M&S, cloud; DoD/space domain exposure.
Python, C++, Docker, Kubernetes, Protobuf, Apache Kafka, HLA, DIS, TENA, SQL, NoSQL, ETL, CI/CD
2d
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Associate Principal Software Engineer
Louisville or Covington
$159k-$254k/yr OnsiteFull Time
10+ YOE10+ years embedded/medical device software experience, BS/MS in related discipline, strong software architecture, cybersecurity, systems thinking, and cross-functional influence skills.
C, C++, RTOS, embedded Linux, Bluetooth, BLE, Wi-Fi, Ethernet, APIs, CI/CD, static analysis, simulator, hardware-in-the-loop, software-in-the-loop, IEC 62304
1mo
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GNC Engineer, Simulation (Swarm/Vehicle)
Golden, Colorado, United States
$90k-$165k/yr OnsiteFull Time
Bachelor's in relevant STEM, software development in C++ and Python, experience with high-fidelity dynamics simulation, real-time/embedded systems, and GNC concepts; strong communication and problem solving.
C++, Python, InfluxDB, Grafana, DDS, Git
1mo
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Senior Engineer – RF Software
Westminster, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering +4 years experience (Master's/PhD may substitute), active Secret clearance required with ability to obtain TS/SCI, proficiency in C/C++, Python, MATLAB, containerization (Docker, Kubernetes), simulation software experience, object-oriented design, numerical methods, and SDR experience.
C, C++, Python, MATLAB, Docker, Kubernetes, ContainerD, Cameo, PlantUML, gtest, SDR, GPU, IPSEC, DevSecOps
2d
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Principal / Sr. Principal AI Software Engineer
Dulles or Colorado Springs or El Segundo
$138k-$258k/yr OnsiteFull Time
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
1mo
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Ground Software Developer
Centennial, Colorado, United States
$120k-$190k/yr RemoteFull Time
5+ YOEUS citizen or permanent resident; Real ID-compliant state ID; pass background/drug/alcohol screening; 5+ years with C++, Python, embedded systems, hardware/software integration, simulations, and Linux; bachelor’s in CS/CE/Math/Systems Engineering; experience with OOP, automated tests, Bitbucket, and Jira.
C++, Python, Linux, Bitbucket, Jira, Agile, Scrum, SAFe, AI-assisted software development tools
3mo
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Software Engineer - HPC Linux (TS/SCI Clearance Required)
Colorado Springs, Colorado, United States
OnsiteFull Time
10+ YOETS/SCI with CI Poly; BS STEM; 10+ yrs software engineering; 5+ yrs modeling/simulation in HPC; Linux expertise; Fortran/C/C++; scripting; mentoring; training; on-site lab.
Fortran, C, C++, Bash, Korn shell, Linux, HPC tools, Git
1mo
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Software Engineer - Level 2/3
Colorado Springs, Colorado, United States
$73k-$276k/yr OnsiteFull Time
2+ YOEUS citizen with active Secret clearance; STEM BS (or MS) with 2+ years (Level 2) or 5+ years (Level 3); experience with Atlassian, Git/Bitbucket, DevOps, Python/MATLAB/C++/ADA/Java, OO design and simulation/debugging.
Atlassian, Git, Bitbucket, Python, MATLAB, C++, ADA, Java
1mo
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Senior Software Engineer, HPC Technical User Support
Colorado Springs, Colorado, United States
$160k-$250k/yr OnsiteFull Time
10+ YOEActive TS/SCI with CI Poly, U.S. citizenship, Bachelor's in STEM, 10+ years technical experience (≈5 yrs modeling & simulation), Linux proficiency, Fortran/C/C++, Bash and Korn shell scripting, debugging, documentation, and HPC user support.
Linux, Fortran, C, C++, Bash, Korn shell
2mo
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Director of Software
Denver, Colorado, United States
$211k-$239k/yr OnsiteFull Time
12+ YOE4+ MgmtLead engineering org, implement flight software, GNC, AI, and HIL; build and mentor teams; manage software and hardware interfaces.
C++, RTOS, GNC, HIL, Simulation
2w
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Lead Software Engineer/Technical Program Manager
Colorado Springs or Boston
HybridFull Time
10+ YOE3+ MgmtUS citizen with active Secret clearance, BS in STEM, 10+ years software development (≥3 years technical lead/architect). Preferred: TS/SCI, MS, PMP or DAWIA. Experience with Julia, React/TypeScript, CesiumJS, Electron, ONNX, and defense simulation tools.
Julia, SciML, DifferentialEquations.jl, PackageCompiler.jl, CesiumJS, Resium, CZML, ONNX Runtime, ONNX.jl, electron-builder, STK, AFSIM, EADSIM, React, TypeScript, GitHub Actions, Electron
1mo
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Sr Guidance, Navigation and Control Engineer
Lone Tree or Englewood
$143k-$197k/yr HybridFull Time
10+ YOESenior GN&C engineer with 10+ years experience in aerospace; BS in Aerospace or Electrical Engineering; strong in GN&C algorithms, flight software, simulations; multi-team leadership.
MATLAB/Simulink, STK, Free Flyer