• Windows Linux Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …(CE) certification within 6 months of hire. **Required Technical Skills & Experience:** + Active Directory administration + DNS, DHCP, DFS, and LDAP + Windows ... Family:** Systems Administration **Skills:** Linux,System Administration,Windows Applications **Certifications:** CompTIA Security + - CERTIFICATION **Experience:** 3 + years of related… more
    General Dynamics Information Technology (07/16/25)
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  • NCIS SharePoint Administrator | TS/SCI clearance

    General Dynamics Information Technology (Quantico, VA)
    …knowledge with SharePoint Online administration + Experience administering Windows Servers, Active Directory including ADFS, DNS, SMTP, Network Load Balancing, ... continuous monitoring process **WHAT YOU'LL NEED TO SUCCEED (Required):** + ** Security Clearance Level:** Active TS/SCI clearance + **Required Experience:**… more
    General Dynamics Information Technology (07/02/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …training and support to VIP users on new software and hardware + Managing Active Directory and other infrastructure core services + Providing support for thin ... ManTech seeks a motivated, career and customer -oriented **Principal Systems Administrator** to join our team...Security Clearance Requirements:** + US Citizenship required and active TS/SCI clearance adjudicated within the last 6 years.… more
    ManTech (05/24/25)
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  • Systems Administrator / Top Secret / Onsite:

    Lockheed Martin (Arlington, VA)
    …industry best practices for systems administration\. \* Developing solutions to system security needs that meet customer security requirements without ... areas: \* In\-depth systems administration experience with Windows \(including Active Directory \) \* Experience administering OpenStack \* Windows/Linux… more
    Lockheed Martin (07/12/25)
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  • IT Fielding Engineer

    Amentum (Warrenton, VA)
    …Level 2 Requirements, to include CE certification **Preferred** : + Understanding of Active Directory , MECM, DHCP, DNS, Cisco IOS, SolarWinds, and Remedy **Pay ... to a positive work environment. The Lone Wolf Team is Mission Focused, Customer Oriented, Process Guided, and Solutions Driven. Candidates interested in joining the… more
    Amentum (07/12/25)
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  • F5 Network Engineer

    CACI International (Springfield, VA)
    …Certificate Status Protocol OCSP revocation + Familiar with DoD PKI, Kerberos, LDAP, Active Directory , HTML + Ability to describe and troubleshoot TLS/SSL ... to address performance, standardization, and industry best practices + Follows all Customer network security processes and procedures, and ensures compliance… more
    CACI International (05/13/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly, VA. Annual base compensation ... Windows Server 2012 R2, Windows Server 2016 + Designing and operating Microsoft Active Directory in a secure and distributed IT environment supporting clients… more
    Assertive Professionals (07/10/25)
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  • Field Service Technician

    Leidos (Mclean, VA)
    …operating systems, + Perform access management, + Perform installation support and use active directory to create account access profiles, + Provide technical ... support and customer service to the organization's users of computer applications...of multiple sources of information, + Explain complex concepts. ** Security Clearance Requirement:** + Active TS/SCI with… more
    Leidos (06/14/25)
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  • Software Packaging Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …desktop configuration and remediation. Desired Skills: - Experience with managing Windows Active Directory , Group Policy Management, DFS, DNS, DHCP, and VMware ... Title: Software Packaging Engineer Location: Springfield, VA Eligibility: Candidate must have an active TS/SCI clearance and be willing to obtain a CI Polygraph Job… more
    Arena Technical Resources, LLC (06/03/25)
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  • Microsoft Endpoint Configuration Manager (MECM)…

    CACI International (Chantilly, VA)
    …Manager (MECM) in a multi-forest environment. + Comprehensive understanding of Active Directory and its seamless integration with Microsoft Endpoint ... operate an enterprise ITSM solution, enterprise service desk, endpoint management and security solution, as well as CONUS/OCONUS field support and life cycle support… more
    CACI International (07/18/25)
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