• National Security Sector Referrals

    Leidos (Reston, VA)
    …locations across the nation. Our most common opportunities are in the following areas: + Software Engineer / Developer: Java, Python, AI/ML + DevOps Engineer ... Engineer + Systems Administration - Linux + Information Security Systems Engineer /Officer (ISSE/ISSO) + Data...of a degree + Clearance Preferred (and commonly required): TS / SCI with Polygraph. At **Leidos** , we… more
    Leidos (10/18/25)
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  • Senior Engineering Lead

    CACI International (Triangle, VA)
    …partners **Qualifications:** _Required:_ + Top Secret ( TS ) with Sensitive Compartmented Information ( SCI ) eligibility security clearance ( ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel.../ SCI ) + Bachelor's degree in Computer Science, Software Engineering, or related field + 10+ years of… more
    CACI International (12/11/25)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …experience + Top Secret ( TS ) security clearance with eligibility for Secret Compartmented Information ( SCI ) + Willingness to submit to a ... of Defense (DoD) agencies. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI ) and Special Access… more
    Parsons Corporation (11/14/25)
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  • Principal RF Engineer

    CACI International (Springfield, VA)
    …design specifications to support deployable U. S. Army equipment within Sensitive Compartmented Information Facilities (SCIF's). Employs state-of-the-art ... Principal RF Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (10/31/25)
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  • GUI Development Lead

    Synergy ECP (Columbia, MD)
    …Clearance Required: TS / SCI Other Requirements: US Citizenship Software Engineer supporting the Application Messaging Framework (AMF), responsible for ... outlined below. Experience with JMS is a plus. Minimum Required Skills/Experience: * TS / SCI clearance * Bachelor's degree or higher in computer engineering or… more
    Synergy ECP (10/15/25)
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  • Senior Mission / Systems Engineer

    RTX Corporation (West Valley City, UT)
    …support integration and testing efforts. + Ability to obtain and maintain a US government issued Top Secret SCI ( TS / SCI ) security clearance required ... Technology (AST) is seeking a **Senior Mission / Systems Engineer ** who strives for excellence and have a passion...and proposal activities related to system development. + Existing Top Secret SCI ( TS more
    RTX Corporation (12/11/25)
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  • Senior Principal SEIT Engineer (Contingent)

    RTX Corporation (Anaheim, CA)
    …across disciplines and lead technical integration efforts. + Ability to obtain and maintain a Top - Secret SCI ( TS / SCI ) US government issued security ... Technology (AST** ) is seeking a **Senior Principal SEIT Engineer ** who strives for excellence and have a passion...like STK, Simulink, or custom RF environments. + Existing Top - Secret SCI ( TS /… more
    RTX Corporation (10/09/25)
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  • (Mbse) Model- Based Systems Engineer

    KBR (Alexandria, VA)
    …briefing and presentation skills. + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility + Bachelor's degree ... Title: (MBSE) Model- Based Systems Engineer Belong. Connect. Grow. with KBR! KBR's National...+ Provide technical and acquisition support to communicate critical information , such as senior leader decision forums, annual planning… more
    KBR (12/23/25)
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  • DevOps Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …will require a significant portion or all work to be performed in a Sensitive Compartmented Information Facility (SCIF). Key Requirements: To be considered ... An active or rein-statable TS / SCI with Polygraph security clearance is...possess this level of clearance. Are you a DevOps Engineer who is ready for a new challenge that… more
    GliaCell Technologies (12/21/25)
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  • Infrastructure / Networking Engineer II

    RTX Corporation (West Valley City, UT)
    …a team environment and independently + Ability to obtain and maintain a US government issued Top Secret SCI ( TS / SCI ) clearance with polygraph after ... asset in the SIGINT domain, is seeking an Infrastructure Engineer II who strives for excellence and has a...improvement + Experience with automated system deployments + Existing Top - Secret SCI ( TS /… more
    RTX Corporation (12/11/25)
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