349 aerospace engineer jobs at 84 companies in Frederick, CO

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Aerospace Engineer
Littleton, Colorado, United States
$100k-$180k/yr OnsiteFull Time
Starfish Space
Starfish Space: Develops autonomous satellite servicing and orbital logistics technology.
Must be a U.S. person, willing to work from Littleton, Colorado, B.S. in Aerospace Engineering or equivalent; capable of working in a fast-paced startup; knowledge of satellite subsystems preferred.
1mo
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Aerospace Engineer
Boulder or Colorado Springs or Aurora
$170k-$210k/yr OnsiteFull Time
Alutiiq
Alutiiq: Provides government facilities, logistics, and professional support services.
15+ YOESenior SME aerospace engineer with 15+ years in satellite ground systems; active Secret clearance; U.S. citizenship; Master’s degree; up to 25% travel; salary up to $210k.
4d
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AEROSPACE ENGINEER
Littleton, Colorado, United States
$100k-$154k/yr OnsiteFull Time
Strategic Systems Programs
Strategic Systems Programs: Manages the lifecycle of naval strategic weapon systems.
1+ YOELead development and sustainment for strategic weapon and missile structures, provide contractor oversight, perform engineering analyses, and meet OPM professional engineering education/experience standards; Top Secret clearance required.
2mo
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Aerospace Engineer II
Lone Tree or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor’s in Aerospace Engineering; 2+ years of relevant experience; familiarity with certification planning; knowledge of FAA and defense certification; experience in multi-disciplinary teams.
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Aerospace Systems Engineer I – Early Career (2026 Starts)
Kent or Seattle or Denver or Longmont or Reston or Cape Canaveral
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEBS in engineering or technical field (recent grads eligible, start by Fall 2026); experience or internships in systems/aerospace/mechanical/electrical engineering; requirements development, test, integration, and verification skills; strong communication.
Jama, Rhapsody, Cameo
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Aerospace Engineer-Aircraft Performance (Direct Hire)
Lakewood or Denver or Washington or Orlando or Hapeville or Chicago or Wichita or Burlington or Kansas City or Greensboro or Westbury or Vandalia or Oklahoma City or Fort Worth or Des Moines
$95k-$148k/yr OnsiteFull Time
Federal Aviation Administration
Federal Aviation Administration: Regulates civil aviation and manages national air traffic systems.
1+ YOEBachelor's degree in engineering (ABET-accredited or equivalent) and at least one year of specialized experience addressing aircraft performance and handling qualities; transcripts required; U.S. citizenship required.
2mo
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Senior Mechanical Engineer (Aerospace Actuation)
Fort Collins, Colorado, United States
$93k-$149k/yr HybridFull Time
Woodward
WoodwardNASDAQ: WWD: Designs control solutions for aerospace and industrial markets.
4+ YOEBS in mechanical engineering; 4+ years of aerospace or hydraulic systems experience; ITAR/EAR compliance; US person or eligible for authorization.
Mechanical design, Hydraulic systems, Testing equipment
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Aerospace Thermal Analyst
Hampton or Greenbelt or Huntsville or Dallas or Houston or Denver or Mountain View or Edwards Air Force Base
$135k-$195k/yr OnsiteFull Time
Analytical Mechanics Associates
Analytical Mechanics Associates: Provides aerospace engineering and technical services for space missions.
Bachelor's in engineering required; minimum 5,000 hours Thermal Desktop experience, leadership/mentoring experience, Microsoft Office proficiency, strong documentation and presentation skills, and U.S. citizenship (ITAR work).
Thermal Desktop, Microsoft Office, Microsoft Word, Microsoft PowerPoint, Python, PTC Creo
1mo
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Technician III – Aerospace Test Technician
Broomfield, Colorado, United States
$56k-$90k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEHigh school diploma plus 2+ years related experience or equivalent; electronics background or degree preferred; valid U.S. driver's license; ability to operate test equipment (oscilloscopes, analyzers, multimeters), lift 50 lbs; must be eligible for Top Secret/SCI clearance.
Digital multimeters, O-Scopes, Frequency analyzers, Spectrum analyzers, Power supplies, Multi-Meters, data acquisition monitoring devices
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Propulsion Engineer
Littleton, Colorado, United States
$105k-$184k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in Mechanical/Aerospace engineering (or equivalent), strong propulsion/mechanical fundamentals, progressive aerospace/defense design experience, Microsoft Office proficiency, ability to obtain Secret clearance, US citizenship, and willingness to mentor junior engineers.
Microsoft Office, Creo, Catia, AutoCad
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Senior Materials Engineer
Berthoud, Colorado, United States
$108k-$136k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
5+ YOEBachelor's in Materials Engineering, 5+ years metals materials engineering experience in aerospace, experience with forgings/additive/wrought products, familiarity with MMPDS and aerospace alloys, materials testing, standards, and lab development.
MMPDS, laser powder bed fusion, AS9100, AWS D17.1, ASTM, AMS
2mo
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Build Engineer
Centennial, Colorado, United States
$134k-$170k/yr OnsiteFull Time
Boom Supersonic
Boom Supersonic: Develops supersonic passenger aircraft and sustainable propulsion systems.
Mechanical/Aerospace engineering with hands-on DFx/DFM, hardware prototyping, and experience turning designs into real parts.
1mo
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Electrical Engineer
Englewood, Colorado, United States
$152k-$228k/yr OnsiteFull Time
Re:Build Manufacturing
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
Proven engineering and manufacturing experience (aerospace preferred); ability to lead and mentor engineers, manage resources, drive prototype-to-production integration, and present to leadership.
3w
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Mechanical Engineer II - GSE
Broomfield, Colorado, United States
$100k-$140k/yr HybridFull Time
LEAP
LEAP: Developing rapid-response, mass-producible launch solutions for space access.
3+ YOEBachelor's in mechanical/aerospace engineering, 3+ years engineering experience in aerospace or complex hardware, mechanical design, structures, fluid systems, manufacturing, 3D CAD (NX), GD&T, Teamcenter, and FEA experience.
NX, GD&T, Teamcenter, FEA
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Sr. Mechanical Engineer
Longmont, Colorado, United States
$125k-$175k/yr OnsiteFull Time
Vitesse Systems
Vitesse Systems: Designs and manufactures antenna and thermal systems for defense.
7+ YOE7+ years aerospace design experience; BS in Mechanical/Aerospace Engineering; proficiency with SolidWorks/Creo, NEi/NX Nastran or Femap, ERP; GD&T and manufacturing drawing experience; environmental test knowledge.
SolidWorks, Creo, EPDM, ERP, NEi/NX Nastran, Femap
2w
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Systems Engineer
Boulder, Colorado, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
15+ YOE15+ years systems engineering for space/ground programs, Master’s in Aerospace or Systems Engineering, TS/SCI clearance required, DoD acquisition experience, leadership and integration expertise, familiarity with cloud/DevOps/DevSecOps.
DevOps, DevSecOps
1mo
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Spacecraft Thermal Engineer
Denver, Colorado, United States
OnsiteFull Time
EnduroSat
EnduroSat: Manufacturer of modular software-defined satellites and space infrastructure.
Master's in aerospace/mechanical/thermal engineering, strong satellite thermal engineering background, experience in thermal design, modeling, testing and issue resolution, willingness to mentor and communicate with stakeholders.
2mo
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Systems Engineer
Aurora, Colorado, United States
$145k-$225k/yr OnsiteFull Time
DPG Solutions
DPG Solutions: Automates IT infrastructure and DevSecOps for defense and government.
5+ YOEBachelor's in a related technical field; 5+ years systems engineering experience; US citizenship; Top Secret / SCI clearance; experience in aerospace/defense; strong communication.
Jira, Confluence, Bitbucket, Git, DOORS, Cameo Systems Modeler, Python, Bash, Linux, Unix, Cloud
1mo
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Senior Systems Engineer
Seattle or Denver
$140k-$170k/yr OnsiteFull Time
Gravitics
Gravitics: Designs and manufactures large-scale orbital space structures.
5+ YOEBachelor’s in engineering; 5+ years aerospace systems engineering; experience with spacecraft or complex multidisciplinary systems; strong SE processes; cross-functional leadership
1w
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Mission Systems Engineer - Systems Engineer IV
Louisville, Colorado, United States
$103k-$178k/yr OnsiteFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
8+ YOEDegree in engineering plus extensive systems engineering experience for high-reliability space/aerospace applications; proficiency with requirements management tools; ability to support full product lifecycle.
DOORS, Jama