• Cyber Security Engineer

    Cinteot (Herndon, VA)
    Cyber Security Engineer (location: Herndon, VA) + TS / SCI with adjudicated CI poly required prior to start + Must have DoD 8570/8140 approved ... sustainment. * Secure Configuration/Hardening of Department of Defense (DoD) information systems. * Security Information ...Department of Defense (DoD) information systems. * Security Information and Event Management (SIEM) and… more
    Cinteot (10/07/25)
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  • Cyber Security Project Engineer

    The Metamorphosis Group (Mclean, VA)
    Cyber Security Project Engineer TS / SCI Clearance with FSP REQUIRED McLean, VA . Government/Military Apply Now Description: MUST BE US CITIZEN MUST ... POSSESS ACTIVE TS / SCI with FSP - candidates without required...Information Systems Security Professional (CISSP), Certified Information System Security Engineer Professional… more
    The Metamorphosis Group (12/10/25)
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  • Cyber Security InfoSec Engineer

    Leidos (Chantilly, VA)
    …IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Cyber Security Engineer will target, assess, exploit, and report risks ... **Description** Leidos is seeking a Cyber Security InfoSec Engineer will provide support...+ Brief management on status Required Qualifications: + Active TS / SCI with Polygraph + Prior experience with… more
    Leidos (12/05/25)
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  • Lead, Information Security Systems…

    L3Harris (Ashburn, VA)
    …cyber domains in the interest of national security . Job Title: Anti-Tamper System Security Engineer ( Secret Security Clearance) Job Code: 30715 Job ... years of prior related experience. + Minimum of Collateral Secret security clearance required. + Minimum of...RMF (Risk Management Framework) in embedded systems. + Active TS / SCI Clearance is highly desired. In compliance… more
    L3Harris (11/01/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    **Description** As a Security Engineer on our team, you...Clearance and Certifications: + Must have an active DoD TS / SCI clearance + Must have DoD 8570 ... will operate and maintain network security infrastructure utilized by a team of cybersecurity analysts...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (11/15/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... NGA networks and cybersecurity posture in support of national security . Joining the TCS Team means working with truly...complex enterprise cybersecurity systems. + Candidate must have a TS / SCI with ability to obtain a Polygraph… more
    CACI International (11/14/25)
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  • Senior Security Systems Engineer

    Cydecor, Inc. (Dahlgren, VA)
    …(CE) training within six (6) months of hire. Security Clearance: + Active Top Secret or higher required ( SCI eligibility preferred). + Any Validator ... separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and...supporting SLBM must also possess TS with SCI eligibility. Education: + Bachelor's… more
    Cydecor, Inc. (11/20/25)
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  • Senior Security Operations Engineer

    Microsoft Corporation (Reston, VA)
    …not limited to the following specialized security screenings: Candidates must have an **active** TS / SCI and be willing to upgrade to TS / SCI (with ... engineering team. We are looking for a **Senior Security Operations Engineer ** who will help build...polygraph). This role will require candidates to maintain the TS / SCI (with polygraph) clearance. Ability to meet… more
    Microsoft Corporation (12/11/25)
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  • Network Engineer Senior ( Security

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS / SCI required** Transform technology into opportunity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph...+ Experience working in a large SDLC environment + ** Security Clearance Level:** TS / SCI +… more
    General Dynamics Information Technology (12/09/25)
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  • Customer Delivery Consulting Engineer

    Cisco (Herndon, VA)
    …on US soil. The successful applicant must have a current US Government TS / SCI with Full Scope Polygraph Clearance.** **Must live within commuting distance ... be the groundbreakers of technology. **Your Impact** As a Security Consulting Engineer , you will help drive...be an asset to our team! **Minimum Qualifications:** + TS / SCI with Full Scope Polygraph (FSP) clearance.… more
    Cisco (11/14/25)
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