• Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...results. Leidos is currently looking to add a Software Engineer (SWE-3) to a growing task. Tasks will include… more
    Leidos (07/25/25)
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  • Principal Level Digital Signal Processing…

    Parsons Corporation (Denver, CO)
    …Parsons Company, is seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA. We are currently ... techniques to signal processing, communications, and signal localization challenges ** Security Clearance Requirement:** An active Top Secret SCI w/Polygraph … more
    Parsons Corporation (06/25/25)
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  • Principal Network Engineer (*TS/SCI…

    Northrop Grumman (Aurora, CO)
    …be a part of our mission! Northrop Grumman Space Systems is seeking a TierII Network Engineer to join our team based in the Aurora, Colorado area at Buckley AFB. The ... Network Engineer will support the customer's computer data communications systems,...* Configure and troubleshoot layer 2 switching (VLAN's, Port Security , Thin Configs). **Basic Qualifications:** + Must have an… more
    Northrop Grumman (07/10/25)
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  • Senior/ Principal Systems Engineer

    SciTec (Boulder, CO)
    …processing technologies and scientific instrumentation capabilities in support of National Security and Defense. We support customers throughout the Department of ... any type. Further, US citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.… more
    SciTec (07/17/25)
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  • Principal Software Engineer

    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 ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI with Polygraph...more secure world. Raytheon is currently seeking a Software Engineer to join our talented team. The qualified candidate… more
    RTX Corporation (07/11/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …aircraft technology development. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, ... (or under) budget deliveries. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Principal Command & Telemetry Software…

    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 ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI without Polygraph At Raytheon, the foundation of everything… more
    RTX Corporation (08/02/25)
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  • Senior Principal Solution Train…

    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 ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI without Polygraph At Raytheon, the foundation of everything… more
    RTX Corporation (07/25/25)
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  • Principal Software Engineer (Remote)

    Huntington Ingalls Industries (Colorado Springs, CO)
    …initiative and driving results. + Other duties as assigned. Minimum Qualifications + Security Clearance: A current US Government Security Clearance is desired, ... or TS level clearance. + 15+ years of experience as a software engineer , designing, developing, and deploying complex backend systems and a Bachelors in related… more
    Huntington Ingalls Industries (07/24/25)
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  • Principal Java & C++ Software…

    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 ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI without Polygraph At Raytheon, the foundation of everything… more
    RTX Corporation (07/01/25)
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