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140 simulation engineer jobs at 63 companies in Boulder, CO

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System Simulation Engineer
Littleton, Colorado, United States
$89k-$158k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
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1mo
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Mechanical Simulation Engineer
Boulder, Colorado, United States
$100k-$140k/yr OnsiteFull Time
FIRST RF
FIRST RF: Designs and manufactures advanced antennas and radio frequency systems.
5+ YOE5+ years in mechanical engineering with aerospace/defense experience; U.S. citizenship and ability to obtain U.S. Security Clearance; BS in Mechanical Engineering; strong CFD/FEA experience; proficient in CAD/FEA tools; able to work in fast-paced multidisciplinary environment.
Altair/Siemens (HyperMesh, Optistruct, RADIOSS, HyperLife), SolidWorks Simulation, MSC Nastran, NX Nastran, ABAQUS
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2w
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Simulation Test Lead
Golden, Colorado, United States
$115k-$160k/yr OnsiteFull Time
Lunar Outpost
Lunar Outpost: Develops autonomous robotic systems and rovers for lunar exploration.
5+ YOEBachelor's in CS/Aerospace or related, 5+ years software testing experience, simulation/HIL/testing of safety-critical systems, proficiency with test tools, automation frameworks, scripting, SDLC and systems engineering; U.S. Person.
Hardware-in-the-loop (HIL), continuous integration, CI/CD, simulators, cFS, VxWorks
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3mo
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Senior Software Engineer I/II - Simulation Engineering
Littleton or Long Beach
$120k-$160k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
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
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1mo
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Software Simulation Engineer
Highlands Ranch or Houston or Littleton
$153k-$162k/yr OnsiteFull Time
I2X Technologies
I2X Technologies: Provides mission-critical engineering, cybersecurity, and IT services to government agencies.
9+ YOEBachelor's degree with 9+ years experience (5+ on spacecraft). U.S. citizenship required. Strong C++, Python, Linux, Perforce, DOORS, real-time 6 DoF simulation, MATLAB/Simulink experience and full SDLC knowledge.
C++, Python, Linux, Perforce, DOORS, MATLAB/Simulink, OrionSim, Orion Test Labs, ODN STE
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2mo
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Pulsed Power Modeling and Simulation Engineer
Denver, Colorado, United States
$120k-$160k/yr OnsiteFull Time
Xcimer Energy
Xcimer Energy: Developing laser-driven inertial fusion for commercial clean energy
2+ YOE2+ years in field solver/particle-in-cell/circuit simulation; BS/MS in Mechanical or Electrical Engineering; strong cross-disciplinary communication; US eligibility to work.
COMSOL, CST, LT-SPICE, SolidWorks, NX, Python, MATLAB, VBA, Java
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1mo
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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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1mo
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Software & Simulation Test Design Engineer
Englewood, Colorado, United States
$101k-$189k/yr OnsiteFull Time
ispace
ispaceTokyo Stock Exchange: 9348: Developing robotic spacecraft for lunar transportation and resource exploration.
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
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2w
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Simulation Lead
Greenwood Village or Austin
$130k-$205k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
3+ YOEBachelor's in Aerospace Engineering/CS or related; proficiency in C++ or Python, Git, Linux, bash, Docker; experience with CI/CD (GitLab CI/CD), full-stack/devops, API and networking concepts; ability to manage 5-10 engineers; Top Secret clearance or ability to obtain.
C++, Python, Git, Linux, bash, Docker, Docker Compose, GitLab CI/CD
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2mo
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Modeling and Simulation Manager
Denver or Long Beach
$145k-$245k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
8+ YOE4+ Mgmt8+ years in modeling/simulation with 4+ years leading teams; master's in aerospace/mechanical/systems engineering or related field; strong leadership and communication skills.
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2w
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Engineer Senior – RF Payload Simulation and Modeling Engineer
Boulder or Westminster or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBachelor's in engineering plus 4+ years related experience, active Top Secret/SCI polygraph clearance required, experience with RF system lifecycle and data analysis/modeling for image processing or remote sensing, strong communication skills.
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1mo
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Sys Modeling and Simulation (Algorithms Engineer) - Level 5
Aurora, Colorado, United States
$177k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive U.S. Top Secret/SCI clearance; STEM degree with 8–12+ years experience depending on degree; experience developing custom algorithms and performance models; proficiency with MATLAB, Python, and C/C++; strong presentation and systems engineering experience.
MATLAB, Python, C/C++, Model-Based Systems Engineering (MBSE), Agile
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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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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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1mo
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Sys Modeling and Simulation (Algorithms Engineer) - Level 6
Aurora, Colorado, United States
$193k-$289k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
10+ YOEMust hold active U.S. Top Secret/SCI clearance; Bachelor's in STEM with extensive experience (or advanced degree with less experience); experience developing algorithms and performance models; MATLAB, Python, C/C++ proficiency; strong presentation and collaboration skills.
MATLAB, Python, C/C++
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1w
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Space Systems Modeling and Simulation Engineer, Sr Staff (Systems Engineer, Sr Staff)
Chantilly or Littleton
OnsiteFull Time
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
10+ YOE10+ years aerospace experience, B.S. in engineering, MBSE and SysML experience, proficiency with Cameo/MCSE, Teamwork Cloud, Ansys/STK/Model Center/Workbench, Python; US citizenship and ability to obtain DoD clearance.
SysML, Cameo Systems Modeler, MCSE, Teamwork Cloud, Ansys, STK, Thermal Desktop, Model Center, Workbench, Python, Jama, Dassault SolidWorks
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Simulation Software Engineer 4
Centennial, Colorado, United States
$138k-$230k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
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
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1mo
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Senior Engineer - System Test
Boulder, 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 (or related) +4 yrs experience; experience testing/troubleshooting spacecraft hardware, RF/optical/EMI testing, GSE and simulators; excellent communication; U.S. person and able to obtain Top Secret/SCI.
Simulators, Software test benches, Ground support equipment (GSE), Test and measurement equipment, EMI/EMC, RF
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Chief Engineer
Louisville, Colorado, United States
$200k-$250k/yr OnsiteFull Time
Red 6
Red 6: Provides augmented reality synthetic air combat training for military pilots.
15+ YOE15+ years in systems engineering/hardware design for simulation/AR/VR in defense or aerospace; system architecture, systems integration, subsystem specification, strong communication and technical leadership; BS in EE/CE required, advanced degree preferred.
Jama, DOORs, Rift, VIVE, Gear VR
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2w
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Systems Engineer III
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's in engineering, 6+ years systems engineering experience, advanced proficiency with systems modeling/simulation tools, requirements management and MBSE knowledge, multi-disciplinary team experience, and U.S. eligibility for required authorizations.
DOORS, Cameo, MATLAB
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