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15 research and development engineer jobs at 7 companies in Castle Rock, CO

3w
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Tool Development and Integration Engineer
Colorado Springs or El Segundo
OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
1+ YOEBachelor's in STEM, ≥1 year relevant experience with space systems or algorithms, programming experience in MatLab/C/C++/Java/Python/FORTRAN, Microsoft Office proficiency, ability to obtain U.S. security clearance.
MatLab, C, C++, Java, Python, FORTRAN, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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2mo
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Modeling, Simulation, and Analysis Engineer 3
Colorado Springs, Colorado, United States
$125k-$140k/yr OnsiteFull Time
Torch Technologies
Torch Technologies: Provides research and engineering services to the defense industry.
5+ YOEU.S. citizenship, BS in STEM, 5+ years design experience, TS/SCI clearance, radar/satellite M&S experience.
R, Python, MATLAB, SAS, Java, JMP, Excel VBA, Power BI, Tableau, Qlik, SPSS, PSPP, SymPy
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3w
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Modeling and Simulation Radar VV&A Analyst
Colorado Springs, Colorado, United States
$160k-$190k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
7+ YOEUS citizen with Secret clearance, BS/MS in Engineering/Physics/Math/CS and 7+ years experience, expert knowledge of radar fundamentals, VV&A experience, data analysis and code development skills.
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Modeling and Simulation Radar VV&A Analyst
Colorado Springs, Colorado, United States
$160k-$190k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: A technology providing advanced modeling, simulation, and analysis services for defense programs.
7+ YOEUS citizen with Secret clearance, BS/MS in engineering/physics/math/CS,7+ years relevant experience, radar expertise, VV&A and data analysis skills, ability to develop code and collaborate with stakeholders.
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1mo
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Mining and Critical Minerals Specialist
Washington or Golden or Albany
$100k-$140k/yr HybridFull Time
Lindahl Reed
Lindahl Reed: A scientific and engineering firm supporting energy innovation, national security, and environmental stewardship.
8+ YOEBachelor's in engineering or related field, 8+ years supporting mining/mineral processing or RD&D programs, strong analytical, project management, and communication skills; U.S. citizenship required.
Microsoft Office Suite, Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Microsoft Project
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Modeling and Simulation Analyst VV&A
Colorado Springs, Colorado, United States
$150k-$180k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: A technology providing modeling, simulation, and engineering analysis in support of defense systems.
7+ YOEUS citizen with active Secret clearance, BS/MS in engineering/physics/math/CS, 7+ years relevant experience, MATLAB/Python experience preferred, radar knowledge a plus, strong written and oral communication.
MATLAB, Python
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Modeling and Simulation Analyst VV&A
Colorado Springs, Colorado, United States
$150k-$180k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
7+ YOEUS citizen with active Secret clearance, BS/MS in engineering/physics/math/CS, 7+ years relevant experience, MATLAB/Python experience preferred, radar knowledge a plus, strong oral and written communication.
MatLab, Python
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1mo
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Position, Navigation, and Timing (PNT) / Navigation Warfare (NAVWAR) Analyst & Team Lead - Clearance Required
Colorado Springs, Colorado, United States
$114k-$220k/yr OnsiteFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
Expertise in PNT and NAVWAR, systems engineering and quantitative modeling, ability to lead analysts and software developers, bachelor's in math/physics/engineering (advanced degree preferred), active TS/SCI clearance.
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4w
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Graduate Intern - LLM Reliability and Uncertainty for AI Science Assistants
Golden or United States
$45k-$71k/yr HybridFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Graduate-level intern with GPA≥3.0, enrolled or recent graduate status, familiarity with LLMs, uncertainty quantification, Python on HPC/multi-GPU, strong software engineering and research skills.
Python, HPC, LLM
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1mo
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(Associate/Undergraduate) Intern - Carbon Management and Large Energy Systems
Golden or United States
$35k-$56k/yr RemotePart Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Enrolled associate or bachelor student (or recent graduate) in engineering, environmental science, chemistry, energy systems, data science, or related field; minimum GPA thresholds; proficiency with Microsoft Excel/Word/PowerPoint; literature review and data analysis experience.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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3mo
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Postdoctoral Researcher – Controlling Charges in 2D Materials and Plasmonic Nanostructures
Golden, Colorado, United States
$77k-$126k/yr OnsiteFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Recent PhD in Chemistry, Materials Science, Physics, Electrical/Chemical Engineering; experience with 2D materials or plasmonic nanostructures; strong writing, presentation, and teamwork skills; ability to learn new techniques.
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2w
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Post-Doctoral Fellow, Mechanical Engineering (musculoskeletal models and movement simulations)
Golden or Colorado
$69k-$74k/yr OnsiteFull Time
Colorado School of Mines
Colorado School of Mines: Public research university specializing in engineering and applied science.
PhD in Mechanical Engineering or related by Aug 2026, multiple years' experience in muscle modeling and movement simulations, publication record, CITI and HIPAA training.
OpenSim, FEBio, Mujoko, SCONE, Anybody
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Position, Navigation, and Timing (PNT) / Navigation Warfare (NAVWAR) Analyst & Team Lead - Clearance Required
Colorado Springs, Colorado, United States
$114k-$220k/yr OnsiteFull Time
LMI
LMI: Provides management consulting and digital solutions to government agencies.
Active TS/SCI clearance, bachelor's in math/physics/engineering, strong PNT and NAVWAR knowledge, systems engineering and quantitative modeling skills, and experience leading analysis teams.
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2w
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Graduate Intern – Focused Ion Beam, Electron Microscopy, and Autonomous Characterization
Golden, Colorado, United States
$45k-$71k/yr OnsiteFull Time, Internship
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Enrolled graduate or recent grad with strong materials science/physics/chemistry/engineering background, 3.0+ GPA, Python and computer vision experience, familiarity with FIB/PFIB preferred, ability to obtain DOE PIV access.
Python, Segment Anything Model, U-Net, Mask R-CNN, Thermo Fisher Scientific (Helios), large language models (LLMs)
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4w
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Postdoctoral Researcher - Physics-Based Engineering Modeling and Validation for Drone Swarm Applications
Boulder or United States
$77k-$126k/yr OnsiteFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Recent PhD (within 3 years), expertise in physics-based drone modeling, programming (Python/MATLAB/Fortran/C++), V&V, publishing and communication skills, ability to obtain DOE site access and PIV card.
OpenFAST, FAST.Farm, Kynema, Python, MATLAB, Fortran, C++, GitHub, FLORIS, Bladed, HAWC2, DWM, CFD
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