• Manager, Info Security Systems Engineer…

    L3Harris (Broomfield, CO)
    …of a degree, minimum of 13 years of prior related experience. + Minimum of active Top Secret / SCI security clearance required, with polygraph is highly ... of national security . Job Title: Manager, Info Security Systems Engineer TS / SCI -...design, test , configuration management and maintenance of information systems and data. + Assist program security more
    L3Harris (11/15/25)
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  • Principal Systems Engineer - active TS

    V2X (Suitland, MD)
    …MD location. The position is required to be onsite. The position requires an active Top Secret / SCI clearance and the ability to obtain and maintain a ... We are hiring a Principal Systems Engineer - active TS / SCI clearance to support our government customer...maintaining concern for the original configuration and the overall Information Security (INFOSEC) posture of the environment.… more
    V2X (11/15/25)
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  • Sr. ISSE TS / SCI Poly

    Leidos (Annapolis Junction, MD)
    …with geographically distributed components. + Identifying and implementing appropriate information security architectures and functionality to ensure uniform ... can thrive, keep reading! You must have an active TS / SCI Polygraph up front. Unfortunately, no exceptions....devices. **Basic Qualifications** + Bachelor's degree in Computer Science, Information Assurance, Information Security System… more
    Leidos (09/15/25)
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  • ServiceNow (SNOW) Technical Business Analyst…

    V2X (Springfield, VA)
    …VA location. The position is required to be onsite. The position requires an active Top Secret / SCI clearance and the ability to obtain and maintain a ... bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a...are hiring a ServiceNow Technical Business Analyst - active TS / SCI clearance to support our government customer… more
    V2X (11/21/25)
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  • Sr. ISSE TS / SCI Poly

    Leidos (Annapolis Junction, MD)
    …with geographically distributed components. + Identifying and implementing appropriate information security architectures and functionality to ensure uniform ... Register and Manual Standards. You must have an active TS / SCI Polygraph up front. No exceptions and...devices. **Basic Qualifications** + Master's degree in Computer Science, Information Assurance, Information Security System… more
    Leidos (11/15/25)
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  • CNO Developer (All Levels) - TS

    Parsons Corporation (Centreville, VA)
    …formal testing procedures and documentation ** Security Clearance Requirement:** An active Top Secret security clearance is required to apply, however, ... new tools and capabilities in areas related to computer security , vulnerability research, reverse engineering, and product development +...the selected candidate must be able to obtain a Top Secret SCI clearance prior… more
    Parsons Corporation (11/07/25)
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  • Data Scientist - Multiple levels - Required…

    Leidos (Reston, VA)
    …and Qualifications:** + US Citizenship is required + Candidate must possess an active TS / SCI , or a Top Secret clearance with a current SSBI, and be ... software development team working on projects critical to National Security . The primary focus of the group is reverse...eligible to obtain a TS / SCI w/ poly level clearance + BS… more
    Leidos (09/26/25)
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  • TEMPEST Engineer - TS / SCI w/Poly

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ205046 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... TEMPEST Fundamentals Course and TEMPEST for System Installation and Design Course. * Security Clearance Level: TS / SCI w/Polygraph * Preferred Skills:… more
    General Dynamics Information Technology (11/11/25)
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  • VDI Performance Engineer - TS / SCI

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ208615 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... updates. * Develop and maintain a comprehensive suite of test cases, including: + Functional validation of system components....​Must be willing to support an on-call rotation * Security clearance level: TS / SCI w/Poly… more
    General Dynamics Information Technology (10/14/25)
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  • Scientist, TS / SCI Chief Systems…

    L3Harris (Palm Bay, FL)
    …of 16 years of prior related experience. + Active Top Secret security clearance and ability to obtain SCI + 10 years experience developing, managing, and ... complex technical teams and programs to deliver hardware Preferred Additional Skills: + Active TS / SCI security clearance is highly preferred + Space Vehicle… more
    L3Harris (10/30/25)
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