Average salary: $123,272 /yearly

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  • Principal Electrical Engineer

    $213k

     ...mission-critical challenges at the forefront of aerospace, national security, and AI, your impact starts here. As a Principal Electrical Engineer, you will lead the design and architecture of the electronics that power our next-generation radar systems. You will own... 
    Suggested
    Full time

    LeoLabs, Inc.

    Denver, CO
    2 days ago

  • Principal Test Engineer

    $143.49k - $197.29k

     ...detail and enjoy working with amazing products and tools? Join us in championing and protecting explorers and heroes! As a Principal Test Engineer, you will offer mentorship to test engineers and serve as a technical subject matter expert for test events and documentation... 
    Suggested
    Work experience placement
    Work at office

    Sierra Nevada Company, LLC

    Lone Tree, Douglas County, CO
    2 days ago

  • Principal Electrical Engineer

    $197k - $232k

     ...performing team that believes in each other, come build with us at Crusoe. About This Role: Join Crusoe Energy as the Principal Electrical Engineer and serve as the department's technical authority on power distribution, power protection, and switchgear design. In... 
    Suggested
    Temporary work
    Relocation

    Crusoe

    Arvada, CO
    4 days ago

  • Principal Electrical Engineer

     ...Power EPC Senior Consultant at Talisman Advisory Partners Electrical Engineering Team Supervisor The company is seeking an Electrical Engineering Team Supervisor to lead a small team responsible for planning, design, construction, operations, and maintenance of electrical... 
    Suggested
    Full time
    For contractors
    Work experience placement

    Talisman Corporation

    Denver, CO
    1 day ago

  • Sr Principal Systems Engineer

     ...Job Title: Sr Principal Systems Engineer (Integration) Job Description This role focuses on integrating complex command and control, battle management, and communications capabilities within a mission-critical missile defense program. You will work in an advanced... 
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    Contract work
    Temporary work
    Remote work

    Actalent

    Colorado Springs, CO
    6 hours agonew

  • Principal Engineer

     ...servers – that make decisions, execute workflows, and close loops without human intervention unless guardrails say otherwise. This Principal Engineer owns that entire surface. You are not advising on AI strategy from a whiteboard – you are writing agent code, defining tool... 
    Suggested

    a2z

    Denver, CO
    2 days ago

  • Sr Principal Systems Engineer

    $129.3k - $203.6k

     ...making history. Northrop Grumman Space Systems-Missile Defense Integration offers an excellent opportunity for a Sr Principal Systems Engineer (26-339) to join our team of skilled and diverse professionals. Based in Colorado Springs, CO, or Huntsville, AL, this role... 
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    Contract work
    Work experience placement
    Remote work
    Relocation
    Flexible hours
    Shift work

    Northrop Grumman

    Colorado Springs, CO
    1 day ago

  • Principal Mechanical Engineer

    $100.65k - $178.2k

     ...passionate about creating technical excellence and solving complex engineering challenges, join our team of world-class professionals...  ...it the perfect place to balance work and play. Job Title: Principal Mechanical Engineer Job Details A Principal ME will demonstrate... 
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    Local area

    Attalon

    Longmont, CO
    1 day ago

  • Principal Engineer

    $180k - $200k

     ...chosen Procare Solutions as their trusted partner in providing exceptional care for young minds. A Little About the Role As a Principal Engineer, you will serve as a technical visionary and a force multiplier, operating at the organizational level to ensure our... 
    Suggested
    Temporary work
    Work at office
    Immediate start
    Remote work

    ProCare Solutions LLC

    Denver, CO
    2 days ago

  • Principal RF Engineer

     ...dedicated to creating a permanent presence in space while also driving positive impacts here on Earth. We are currently seeking a Principal RF Engineer to contribute to our mission in a dynamic startup environment. As a Principal RF Engineer, you will serve as the company's... 
    Suggested
    Permanent employment
    Work at office

    Lunar Outpost

    Arvada, CO
    2 days ago

  • Principal Engineer

     ...businesses and build a more resilient, efficient, sustainable energy future. Ready to Power a Smarter World with us? The Principal Engineer serves as a senior technical leader responsible for driving innovation, advancing specialised technologies, and shaping the... 
    Suggested

    Generac Power Systems

    Fort Collins, CO
    3 days ago

  • Principal Mechanical Engineer I

    $133.9k - $161k

     ...passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Principal Spacecraft Mechanical Engineer I to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about... 
    Suggested
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    Westminster, CO
    13 hours ago

  • Principal Mechanical Engineer

    $146.3k - $306.4k

     ...leads testing and reliability assessments, shaping design refinements and corrective action plans. Leads high impact mechanical engineering initiatives, fostering a culture of technical excellence and continuous learning. ? Responsibilities Key Responsibilities... 
    Suggested
    Temporary work
    Flexible hours
    Shift work

    Oracle

    Denver, CO
    6 days ago

  • Senior Principal Systems Engineer (MBSE)

    $132.4k - $251.6k

     ...Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Date Posted: 2026-07-02 Position: Model-Based Systems Engineer (MBSE) Engagements Subject Matter Expert (SME) U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government... 
    Suggested
    Contract work
    Temporary work
    Relocation package
    Flexible hours

    Raytheon

    Aurora, CO
    4 days ago

  • Principal Mechanical Engineer

    $167.1k - $229.76k

     ...mission-ready throughout space. We are mission-driven, and together, we are an extraordinary team. About the RoleThe Principal Mechanical Engineer role focuses on applying advanced technical principles, theories, and concepts to engineering projects, as well as... 
    Suggested
    Contract work
    Work experience placement

    Sierra Space

    Louisville, CO
    1 day ago

  • Principal Electrical Engineer

    $200k - $250k

     ...Principal Electrical Engineer Red 6 is an innovative Augmented Reality (AR) technology startup leading the way in synthetic air combat training. Our primary technology, supporting our ATARS product, enables pilots to simulate the cognitive challenges of flying while... 
    Full time
    Contract work
    Temporary work
    Flexible hours

    Red 6

    Louisville, CO
    13 hours ago

  • Principal Systems Engineer

    $107.5k - $204.5k

     ...Principal Systems Engineer We have an exciting opportunity for a Principal Systems Engineer, supporting one of our premier programs within the Mission Engineering and Platform & Security Integration (PSI) Agile Release Train (ART). In this role, you will help design... 
    Contract work
    Temporary work
    Work experience placement
    Relocation
    Flexible hours

    Raytheon

    Aurora, CO
    13 hours ago

  • Principal Electrical Engineer

    $150k - $185k

     ...Principal Electrical Engineer – Power Systems (Hybrid | Denver, CO) Full Time | A well‑established engineering organization in the Denver, CO area is seeking a highly experienced Principal Electrical Engineer – Power Systems to take on a senior technical leadership role... 
    Full time

    Brick Staffing, LLC

    Denver, CO
    2 days ago

  • Principal Mechanical Engineer

    $118.1k - $200.76k

     ...in space and/or tactical environments. As a mechanical design engineer, you’ll work in cross-disciplined teams of various sizes to deliver...  ...optical assemblies. Apply Design for Manufacturing (DFM) principals to create hardware designs that are streamlined for... 
    Full time
    Work at office
    Local area
    Remote work

    BAE Systems USA

    Broomfield, CO
    1 day ago

  • Principal Quantum Engineer

    $200k - $230k

     ...neutral atoms that will empower customers to achieve unprecedented computational breakthroughs. Join a world-class team of scientists, engineers, and business professionals to advance the state-of-the-art in quantum computing. We are looking for Quantum Engineers to work... 
    Temporary work
    Relocation package

    Atom Computing

    Boulder, CO
    11 days ago

  • Principal Engineer

     ...Job Description Job Description Principal Engineer We are a cross-border payments platform. We help SMEs and consumers in the US, UK, Canada, Australia, and New Zealand collect, convert, hold, and send money across markets. We're small enough that your code ships... 
    Ongoing contract
    Local area

    Cybercoders

    Denver, CO
    24 days ago

  • Principal RF Test Engineer II

     ...seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a  Principal RF Test Engineer II to our team. If you enjoy working in a startup environment, and are passionate about developing critical test systems... 
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    Westminster, CO
    5 days ago

  • Principal RF Engineer I

     ...team. We are actively seeking passionate, collaborative, energetic, and forward-thinking individual to join our team as a Principal RF Engineer I . The ideal candidate has extensive experience in board-level and system-level RF electronics design . If you enjoy... 
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    Westminster, CO
    19 days ago

  • Principal Value Engineer

     ...future. How you'll demonstrate Ownership The Customer Value, Insights, & Industries team at Cognite is looking for a Principal Value Engineer to accelerate our growth within the industrial and manufacturing sectors. The Customer Value team is responsible for... 

    Cognite - AI for Industry

    Denver, CO
    27 days ago

  • Principal Electronics Engineer II - SATCOM

     ...terminals for missile defense to commercial airline and helicopter connectivity solutions.   We are looking to add a Principal Electrical Engineer II our team. If you enjoy working in a startup environment and are passionate about developing electrical systems for leading... 
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    Westminster, CO
    17 days ago

  • Principal Project Engineer

     ...seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Principal Project Engineer to our team. If you enjoy working in a startup environment and are passionate about developing leading-edge... 
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    Westminster, CO
    a month ago

  • Principal System Safety Engineer

    $107.5k - $204.5k

     ...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead...  ...meaningful problems that create a safer, more secure world. As a Principal System Safety Engineer, you will be accountable for the... 
    Contract work
    Temporary work
    Work experience placement
    For subcontractor
    Work at office
    Remote work
    Relocation
    Flexible hours

    RTX

    Aurora, CO
    1 day ago

  • Principal Hardware Engineer

    $170k - $200k

     ...Principal Hardware Engineer At Atom Computing, we build quantum computers using arrays of optically trapped neutral atoms that will empower customers to achieve unprecedented computational breakthroughs. Join a world-class team of scientists, engineers, and business... 
    Contract work
    Temporary work

    Atom Computing

    Boulder, CO
    1 day ago

  • Principal Thermal Engineer

    $190.46k - $266.64k

     ...reusable, and the vehicle was designed from the beginning to be human-capable. As part of a small, passionate and accomplished team of engineers and analysts, you will support all aspects of thermal and fluid system design for various New Glenn spaceflight systems. You will... 
    Permanent employment
    Temporary work
    Local area

    Blue Origin

    Denver, CO
    1 day ago

  • Principal Manufacturing Engineer

     ...environment Growth potential within the company Serve as the principal technical authority for injection molding across all company...  ...Provide expert technical guidance to the Director of Engineering, process engineers, manufacturing engineers, and leadership on... 
    Work at office

    Plastic Molding Technology Inc

    Centennial, CO
    4 days ago