• Information System Security Officer

    Jacobs (Chantilly, VA)
    …Management . Current DoD 8570 IAT II Certification (Security+, CISSP, CISM, CASP+) . Top Secret /SCI security clearance with a current CI Poly . Experience with ... * Perform continuous monitoring (ConMon) and periodic self-inspections of information systems to ensure security compliance * Review Nessus security scans,… more
    Jacobs (06/04/25)
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  • Sr. Penetration Tester

    CACI International (Chantilly, VA)
    …findings through written and oral products + System level and security administration knowledge of computer operating systems . Operating system experience shall ... in Cor other languages + Public Key Infrastructures including development, administration , digital certificates, and encryption systems + Telecommunications… more
    CACI International (06/21/25)
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  • Information Systems Security Engineer

    KBR (Arlington, VA)
    Title: Information Systems Security Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. +… more
    KBR (06/14/25)
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  • System Administrator 4

    PDS Defense (Herndon, VA)
    …be sure to talk with your recruiter. Job Requirements Minimum Security Clearance: Top Secret /SCI **VEVRAA Federal Contractor / Request Priority Protected Veteran ... (Required Skills/Experience): A current Full Scope intelligence Poly (FSP). System Administration experience of Linux /Unix or Windows platforms. 5+ years'… more
    PDS Defense (06/25/25)
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  • Senior Specialist, Information System Security…

    L3Harris (Sterling, VA)
    …server, firewall, & IPS logs; experience with SIEM tools. + Active Top Secret //SCI security clearance with CI Polygraph. Preferred Additional Skills: ... and server operating systems , including but not limited to Microsoft and Linux offerings. + Experience conducting scans with tools such as Tenable Nessus, Rapid7… more
    L3Harris (06/20/25)
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  • Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …of degree level education. Desired Certification(s): * Certified Ethical Hacker (CEH), Windows/ Linux Admin , Azure Sentinel or Other Cloud SIEM, CISSP, Security+, ... Title: Cyber Security Engineer Type: Contract Location: Arlington, VA Clearance: Active Secret . Must be able to obtain TS /SCI and DHS suitability prior to… more
    Shuvel Digital (06/26/25)
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  • Hybrid Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …of degree level education. Desired Certification(s): + Certified Ethical Hacker (CEH), Windows/ Linux Admin , Azure Sentinel or Other Cloud SIEM, CISSP, Security+, ... Cyber Security Engineer Type: Contract Location: Arlington, VA Work Auth: USC Clearance: Active Secret . Must be able to obtain TS /SCI and DHS suitability prior… more
    Shuvel Digital (06/26/25)
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  • Trellix/Endpoint Security Engineer

    CACI International (Springfield, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of ... TCS program. This is an exceptional opportunity for a TS /SCI cleared professional to join an incredibly talented team,...requirements. + Configure and install various security products utilizing Linux OS. + Work with both the software vendor… more
    CACI International (06/21/25)
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  • Senior Database Administrator

    ManTech (Reston, VA)
    …systems deployed worldwide **Clearance Requirements:** + Must possess an active/current Top Secret security clearance. **Physical Requirements:** + Must be ... potential travel worldwide to deploy, configure, upgrade, troubleshoot, and maintain systems . **Duties, Tasks & Responsibilities** + Participating in the design,… more
    ManTech (06/03/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards, ... Number AP--24-00022 Location Chantilly, Virginia Full-Time/Part-Time Full-Time Minimum Clearance TS /SCI with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking… more
    Assertive Professionals (05/23/25)
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