• Lead Information System Security Officer…

    General Dynamics Information Technology (Mclean, VA)
    …architecture, firewall configurations, and the PPSM process. + Understanding of Microsoft Active Directory and implementing controls via Group Policy. + CDS ... of related experience **US Citizenship Required:** Yes **Job Description:** Lead Information System Security Officer (ISSO) **GDIT is seeking a highly skilled and… more
    General Dynamics Information Technology (12/15/25)
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  • Cleared Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …compliant) + Technical Expertise: Advanced skills in one or more of the following: o Active Directory (AD DS, ADFS, AD CS, WSUS) o ePO, Splunk, STIG/SCAP, YUM, ... expertise with technologies such asePO, Splunk, ACAS, Azure Automation, STIG/SCAP, and Active Directoryto secure complex mission systems and ensure compliance… more
    Virtual Service Operations (10/04/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …Windows Server 2012 R2, Windows Server 2016 + Designing and operating Microsoft Active Directory in a secure and distributed IT environment supporting clients ... System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP),...OPENpositions are available right now. These are best for active job seekers. PROPOSEDpositions are pending the results of… more
    Assertive Professionals (10/09/25)
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  • RHEL System Administrator II

    RTX Corporation (Chesapeake, VA)
    …ESXi servers Complete STIG checklists for: Servers (DC & MS), OS DNS, Active Directory Forest/Domain, RHEL / Microsoft Office Products, Browser Applications, and ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (12/03/25)
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  • Lead Information Systems Security Officer…

    CACI International (Hampton, VA)
    …security, or software development. + Advanced knowledge and understanding of Windows Server, Active Directory , DHCP, DNS and WSUS/SCCP. + Advanced knowledge of ... in Hampton, VA supporting the cyber security mission of Distributed Ground System -Experimental (DGS-X) information systems (IS) and networks, most notably the… more
    CACI International (12/18/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …issues to non-technical users + Experience with Windows Server NT/2000/2003/2019 and Active Directory Services + Knowledge of building server from start ... you will be responsible for the day-to-day maintenance and support of computer systems and networks. **Must have an Active Top Secret/SCI US Government… more
    Amentum (12/05/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    …with Microsoft System Administration in an enterprise environment, including Microsoft Active Directory , Group Policies, and Visual Basic Scripting + 4+ ... Top Secret w/ SCI eligibility Duties and Responsibilities: Leads a team of system administrators responsible for enterprise IT systems . * Manages escalated… more
    System One (12/17/25)
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  • Senior Systems Administrator, Level 3…

    Lockheed Martin (Dahlgren, VA)
    … Security \+ Certification \(For Level 2, Sec\+ within 6 months\) * Windows Active Directory * Windows OS and/or UNIX/LINUX administration experience * Active ... you\! The DARKWING Program is seeking a highly motivated Systems Administrator to join our team in La Plata,...to join our team in La Plata, MD\. The System Administrator \(SA\) is responsible for the day\-to\-day operations… more
    Lockheed Martin (11/19/25)
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  • Systems Engineer - Subject Matter Expert…

    Noblis (Chantilly, VA)
    …operating systems with security hardening for classified use + Windows Active Directory configuration and security in air-gapped environments + Network ... least 4 years working in Top Secret environments. + Active Top Secret (TS) clearance with eligibility for Sensitive...+ Security accreditation processes (RMF, NIST 800-53) for TS/SCI systems + Advanced system monitoring and observability… more
    Noblis (12/03/25)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …\* In\-depth systems administration experience with Windows \(including Active Directory \) \* Experience administering OpenStack \* Windows/Linux Integration ... **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\)...mandates and mitigate residual risk\. *Perform day to day system health monitoring, troubleshooting, patch management, and anti virus… more
    Lockheed Martin (10/22/25)
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