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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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
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
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
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
3w
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Systems Engineer, Battlespace
Broomfield, Colorado, United States
$126k-$167k/yr OnsiteFull Time
2+ YOE2+ years hardware/software systems engineering, MBSE experience, Python and modeling/simulation proficiency, statistics/AI/ML, requirements decomposition, testing and V&V; eligible for U.S. Secret clearance and authorized to work in the U.S.
JAMA, Cameo, Matlab, Simulink, AFSIM, Python, MATLAB, Linux, C/C++, Rust
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
1mo
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Principal/Sr. Principal RF Electronic Systems Engineer
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
5+ YOETS/SCI clearance required. Senior-level RF engineering with expertise in software-defined radios/modems, IP networking, antenna principles, RF simulation, VM/Linux; willingness for polygraph, off-shift/24/7 stints, and travel up to 25%.
STK, Linux, virtual machines, software-defined radios, modems
1mo
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Principal/Sr. Principal RF Electronic Systems Engineer
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance required; expertise with software-defined radios/modems, IP networking, antenna principles, RF troubleshooting, simulations, and system integration. Willingness to take polygraph and travel up to 25%.
STK, Linux
4w
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Engineer Senior Principal III – SV Simulators Technical Leader
Boulder, Colorado, United States
$153k-$261k/yr OnsiteFull Time
12+ YOEBachelor's in engineering plus 12+ years' related experience, active TS/SCI with polygraph, 5+ years as technical lead, Agile/SAFe and software project management experience, familiarity with simulation, systems architecture, and listed software tools.
C, C++, MATLAB, Simulink, Python, Ruby, Jira, Atlassian, Git, GitLab, SVN, DOORS, Jama, AWS, Docker, Podman, Scaled Agile Framework (SAFe), Agile
3mo
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Staff Applied AI Engineer
Westminster, Colorado, United States
$124k-$206k/yr OnsiteFull Time
5+ YOE5+ years building data-driven or ML-powered systems; strong Python; experience with optimization and RL; U.S. Citizenship required.
Python, Optimization, Simulation, Reinforcement Learning, Geospatial skills
1mo
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Senior Architect - BOP/HRSG/DCS Controls
Hyderabad or Dubai or Budapest or Greenville or Schenectady or Longmont
OnsiteFull Time
15+ YOEBachelor's in engineering + 15+ years in BOP/HRSG/DCS controls design (GE Vernova preferred); technical review experience, GE Speedtronic Mark Controller Series knowledge, simulation-based software validation, system-level expertise, and cross-cultural collaboration.
GE Speedtronic Mark Controller Series