• Principal Software Engineer (GBM) (25-390)

    Northrop Grumman (Colorado Springs, CO)
    …DoD-issued **Secret** security clearance at the time of application, which is required to start + Ability and willingness to travel 10% to support business ... EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions with a government clearance and… more
    Northrop Grumman (09/04/25)
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  • Sr. Software Engineer

    SMX (Boulder, CO)
    …or Active DoD Secret clearance or higher is preferred. Due to the clearance requirement, US Citizenship is required . Candidate must also agree to participate ... Sr. Software Engineer (4386)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Are you interested in the next generation of Space Force Remote… more
    SMX (09/09/25)
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  • Project Engineer

    General Atomics (Englewood, CO)
    … Required ** 0 - 25 **Relocation Assistance Provided** Provided **US Citizenship Required ?** Yes ** Clearance Required ?** Yes ** Clearance Level** ... requirements. We currently have an opportunity for a Project Engineer working on satellite systems to join...be less than 10%. + Active DoD Secret Security Clearance is required with ability to obtain… more
    General Atomics (07/26/25)
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  • Senior Test Engineer (TS/SCI)

    KBR (Colorado Springs, CO)
    …documents, and briefings. + Supports acquisition planning and development of documents required for systems acquisition. + Coordinates with external agencies to ... Title: Senior Test Engineer (TS/SCI) Senior Test Engineer Belong....contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (08/02/25)
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  • Project Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    We are seeking a highly skilled Project Engineer with expertise in sensor systems to support the design, integration, and validation of advanced mission ... systems on airborne platforms. In this dynamic role, you...to obtain and maintain a Top Secret US Security Clearance . US Citizenship status is required as… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Principal SCADA Engineer

    City Light & Power, Inc (Denver, CO)
    …to include at least five (5) years with substation/power system distribution SCADA systems required . * Subject Matter Expert (SME) with SCADA software platforms ... for CLPE clients as well as supporting microgrid control systems . The Principal SCADA Engineer is considered...must be a US citizen. * You will be required to obtain Military Base Access Security Clearance… more
    City Light & Power, Inc (09/03/25)
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  • Software Engineer C++ (Onsite)

    RTX Corporation (Aurora, CO)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/SCI without Polygraph At...safer, more secure world. Raytheon's Air & Space Defense Systems (ASDS) strategic business unit (SBU) specializes in multi-domain… more
    RTX Corporation (10/03/25)
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  • DevSecOps Engineer

    SMX (Boulder, CO)
    …DoD Top Secret clearance or higher is preferred. Due to the clearance requirement, US Citizenship is required . Candidate must also agree to participate ... DevSecOps Engineer (4387)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO...build, integrate, and operationally support our customer's emerging space-ground systems to include real-time data processing frameworks, sensor data… more
    SMX (07/30/25)
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  • Sentinel Principal Software Engineer 15750

    Northrop Grumman (Colorado Springs, CO)
    …opportunities to fit your life and launch your career today. Northrop Grumman Defense Systems is seeking **Principal Software Engineer ** . This position will be ... EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions with a government clearance and… more
    Northrop Grumman (08/31/25)
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  • Software Test Engineer - Developer…

    The Boeing Company (Colorado Springs, CO)
    …US Government requires US Citizenship. An interim and/or final US Top Secret Clearance Post-Start is required . **Visa Sponsorship** Employer will not sponsor ... The Boeing Company is looking for a **Software Test Engineer - Developer (** **Experienced or Senior)** to join...test plans + Assist with automated deployment **Basic Qualifications ( Required Skills/ Experience):** + 2 or more years of… more
    The Boeing Company (09/26/25)
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