11 principle developer jobs at 6 companies in Windsor, CO

1w
Save
Mark Applied
Hide
Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon 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 CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
1mo
Save
Mark Applied
Hide
Software Systems Engineer II
Centennial or Louisville
$106k-$145k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree (or equivalent), 2+ years related experience, strong programming skills, software development principles, Agile experience, Git proficiency, and ability to obtain/maintain Secret U.S. security clearance; U.S. citizenship required.
DOORS, Rhapsody, NoMagic, MATLAB, Git
1mo
Save
Mark Applied
Hide
Entry Level Engineer
Denver or Fort Collins or Salt Lake City
$70k-$85k/yr OnsiteFull Time
The Whiting-Turner Contracting Company
The Whiting-Turner Contracting Company: A national general contractor delivering construction services across multiple sectors.
0+ YOEBachelor's in Engineering or Construction Management; ability to read technical documents; strong communication; proficiency in MS Office; knowledge of engineering principles.
1d
Save
Mark Applied
Hide
Design Analytics Quality Engineer
Westminster, Colorado, United States
$97k-$165k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBS in Engineering (or equivalent) plus 4+ years experience; expertise in manufacturing analytics (SPC, DOE, yield, anomaly analysis, CoPQ); ability to assess small data sets and develop sampling/inspection plans; familiarity with Quality Engineering principles; eligible for security clearance.
JMP, Python, MATLAB
4w
Save
Mark Applied
Hide
Mechanical Engineer I
Louisville, Colorado, United States
OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
0+ YOEBachelor's in a related field (or equivalent experience), 0–2 years experience, basic mechanical engineering principles, teamwork, clear communication, and ability to support analysis, design, and documentation.
NX, SolidWorks
2mo
Save
Mark Applied
Hide
Test Engineer II - Test Director (Clearance Required)
Louisville or Centennial
$91k-$125k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree or equivalent experience; typically 2+ years in test engineering; strong engineering principles; QA principles; read schematics; test plans and procedures; test equipment familiarity.
Jira, Microsoft Project, Test equipment, Test procedures
3w
Save
Mark Applied
Hide
Principal Mechanical Engineer
Louisville, Colorado, United States
$167k-$230k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
12+ YOEBachelor's (or equivalent) and typically 12+ years' mechanical engineering experience, expertise in mechanical engineering principles, ability to obtain and maintain a U.S. security clearance, and experience leading design, analysis, integration, and test efforts.
NX, SolidWorks, ANSYS
2w
Save
Mark Applied
Hide
2026-2027 Colorado/Utah Entry-Level Engineer
Denver or Salt Lake City or Fort Collins
OnsiteFull Time
The Whiting-Turner Contracting Company
The Whiting-Turner Contracting Company: A national general contractor providing construction management and project delivery services.
Bachelor's in engineering, engineering technology, or construction management; knowledge of engineering principles; effective verbal and written communication; ability to read drawings and coordinate construction work.
1mo
Save
Mark Applied
Hide
Engineer II - Quality
Westminster, Colorado, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in Engineering or related +2 years experience (advanced degree may substitute for experience); knowledge of quality engineering principles, ability to learn aerospace/defense specs, good interpersonal and organizational skills, U.S. person and eligible for Secret clearance.
Statistical Process Control (SPC), First Article Inspection (FAI)
2w
Save
Mark Applied
Hide
MBSE Systems Engineer 1/2
Boulder, Colorado, United States
$76k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEActive Secret clearance, BS in a STEM field (MS acceptable), 0–2 years systems engineering experience, knowledge of systems engineering principles, experience with ground system software/networking/RF antenna programs, EM integration, strong communication skills.
MBSE, SysML, Cameo, DOORS/DNG, Agile
2mo
Save
Mark Applied
Hide
Cybersecurity Analyst Engineer Specialist
Louisville, Colorado, United States
$97k-$112k/yr OnsiteFull Time
Infleqtion
InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.
3+ YOEBachelor’s degree in cybersecurity/IT or related field (or equivalent); 3+ years in cybersecurity/IT security; strong networking, OS, and security principles; experience with security tools; preferred cloud security, scripting, and certifications.
SIEM, MXDR, firewalls, IDS/IPS, cloud security, scripting, Python, PowerShell