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15 software simulation engineer jobs at 9 companies in Loveland, CO

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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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1w
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Software Engineer II, Model and Simulation
Broomfield, Colorado, United States
$120k-$165k/yr OnsiteFull Time
Katalyst Space Technologies
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
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
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1w
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Software Engineer I, Model and Simulation
Broomfield, Colorado, United States
$90k-$125k/yr OnsiteFull Time
Katalyst Space Technologies
Katalyst Space Technologies: Develops robotic spacecraft for in-orbit satellite servicing and maneuvering.
1+ YOE1-3 years modeling & simulation experience, 2-3 years C++ and Python, BS in a STEM field, strong OOP and distributed systems understanding, problem-solving and attention to detail.
C++, Python, Basalisk, STK, GMAT
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2d
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Associate Principal Software Engineer
Louisville or Covington
$159k-$254k/yr OnsiteFull Time
BD
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
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
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GNC Engineer, Simulation (Swarm/Vehicle)
Golden, Colorado, United States
$90k-$165k/yr OnsiteFull Time
Rendezvous Robotics
Rendezvous Robotics: Develops self-assembling modular tiles for in-space infrastructure.
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
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Senior Engineer – RF Software
Westminster, Colorado, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
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2mo
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Director of Software
Denver, Colorado, United States
$211k-$239k/yr OnsiteFull Time
Albedo
Albedo: Building satellite buses for very low earth orbit missions.
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
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3w
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Systems Engineer, Battlespace
Broomfield, Colorado, United States
$126k-$167k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
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
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Principal/Sr. Principal RF Electronic Systems Engineer
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
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
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Principal/Sr. Principal RF Electronic Systems Engineer
Aurora, Colorado, United States
$114k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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
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Staff RF Electronic Systems Engineer
Aurora, Colorado, United States
$177k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEActive TS/SCI clearance required; willingness to take Full Scope Polygraph; 8+ years relevant RF/networking experience (depending on degree); expertise with software-defined radios/modems, IP networking, antenna principles, RF simulation, and Linux/VM environments.
STK, Linux
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4w
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Engineer Senior Principal III – SV Simulators Technical Leader
Boulder, Colorado, United States
$153k-$261k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
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
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3mo
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Sr Principal RF Microwave Design Engineer
Aurora, Colorado, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
4+ YOEActive TS/SCI clearance, STEM degree with relevant experience (BS+8, MS+6, PhD+4), expertise in software-defined radios, IP networking, antenna/EM principles, RF simulation (e.g., STK), and willingness to travel up to 25% and work off-shift as needed.
STK, Linux
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3mo
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Staff Applied AI Engineer
Westminster, Colorado, United States
$124k-$206k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
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
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Senior Architect - BOP/HRSG/DCS Controls
Hyderabad or Dubai or Budapest or Greenville or Schenectady or Longmont
OnsiteFull Time
Quest Global
Quest Global: Global engineering services for product development and lifecycle management.
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
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