17 principle developer jobs at 11 companies in Fraser, CO

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Software Engineer II
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's degree in CS or related,2+ years software development experience,advanced proficiency in C#,knowledge of software engineering principles,ability to work in multi-disciplinary teams.
C#, C, C++, Java
2mo
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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
5d
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Systems Engineer - Hypersonic Requirements
Littleton, Colorado, United States
$79k-$147k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
1+ YOESystems engineering experience developing, deriving, verifying, and tracing requirements; applying systems engineering principles; DOORS experience preferred. Engineering bachelor's degree and DoD Secret clearance preferred.
DOORS, PowerPoint
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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
5d
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Systems Engineer Staff
Littleton, Colorado, United States
$118k-$219k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Requires engineering principles, system architecture, design, Cameo, Jira, Confluence, and Scrum experience. Eligibility for classified information access is required; GEOINT and Cedalion knowledge are preferred.
Cameo, Jira, Confluence, Scrum, Cedalion, Orchestration Services
5d
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Chemical Engineer 1
Denver, Colorado, United States
$75k-$124k/yr HybridFull Time
CDM Smith
CDM Smith: Engineering and construction firm for global infrastructure projects.
0+ YOEBachelor's degree in chemical, petroleum, or related engineering, or equivalent related experience. No prior experience required. Requires CADD, design principles, Microsoft business software, and communication skills.
CADD, Microsoft Excel, Microsoft Word
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Engineer II - Quality
Westminster, Colorado, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in Engineering plus 2+ years related experience (higher degree may substitute), knowledge of quality engineering principles and industry specs, experience with APQP/AS9145 and SPC, willing/eligible for security clearance.
APQP/AS9145, SPC, First Article Inspection (FAI)
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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
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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.
5d
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Field Service Engineer
Phoenix or Denver or Costa Mesa or Dallas or Farmington or United States
$28-$44/hr FieldFull Time
TRUMPF
TRUMPF: Manufactures industrial machine tools and laser technology systems.
Associate degree or technical school education in engineering principles, or equivalent education and work experience; technical equipment experience helpful; clean, valid driver's license required.
CNC
2mo
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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)
3w
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Cloud Cyber Engineer
Sterling or Denver
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive TS/SCI with Poly required; Bachelor's in related field; 5+ years relevant experience (7+ without degree); knowledge of IA principles, DOD/IC security controls, networking, and security technologies.
Linux, SNOW
1mo
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Senior Program Quality Engineer
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 plus 4+ years related experience; understanding of quality engineering principles, aerospace/defense specs, strong interpersonal and organizational skills; eligible for security clearance.
1mo
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Thermal Design Engineer IV
Louisville, Colorado, United States
$109k-$189k/yr HybridFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
3+ YOEBachelor's in engineering or computation with extensive thermal engineering experience (or higher degree with reduced experience), 3+ years space industry experience, ability to obtain Top Secret clearance, experience with Thermal Desktop, CAD, and thermal principles.
Thermal Desktop, CAD, SolidWorks
3mo
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Senior Substation Field Engineer
Amarillo or Lubbock or Denver or Minneapolis
$86k-$151k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
5+ YOEBachelor’s in Electrical Engineering; 5-7 years post-education experience; Engineer in Training; experience with design deliverables and project controls; proficient in electrical engineering principles and software; willingness to travel.
CAD (AutoCAD Electrical), ETAP, Aspen, CAPE, AutoCAD Electrical
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AI FinOps Consultant
Denver or Portland
$133k-$163k/yr OnsiteFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
3+ YOE3+ years in FinOps/cloud cost management; knowledge of FinOps principles, cloud platforms, AI cost drivers, billing/FOCUS formats, analytics, and strong communication; experience building dashboards and client deliverables.
FOCUS format, AWS, AWS Cost Explorer, AWS CUR, Microsoft Azure, Azure Cost Management, Google Cloud, Google Cloud Billing, CloudHealth, Apptio Cloudability, Flexera, Harness, Power BI, Tableau, Looker, Microsoft Excel, Azure OpenAI, Amazon Bedrock, Google Vertex AI, OpenAI APIs, Databricks, Snowflake, Kubernetes
6d
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Structural Dynamics Analyst
Littleton, Colorado, United States
$96k-$178k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Structural dynamics experience, vibration or modal testing and analysis, FEA tools, structural analysis principles, product development exposure, active Top Secret clearance, and US citizenship required.
NASTRAN, NX, NX/Nastran, Abaqus, ADAMS, LS-Dyna, Matlab, Mathcad, CREO

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