• DNS Administrator

    SAIC (Beltsville, MD)
    **Description** SAIC has an opportunity for a DNS Administrator in Beltsville, MD to support the Department of State's (DoS) Bureau of Diplomatic Technology ... the ability to troubleshoot, document, and resolve complex issues effectively. The DNS Administrator will play a critical role in ensuring the secure, efficient,… more
    SAIC (12/19/25)
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  • DNS Administrator

    Insight Global (Mount Vernon, VA)
    Job Description Design, configure, and manage DNS systems in a large enterprise environment. . Ensure DNS architecture is secure, efficient, and scalable to meet ... enterprise needs. . Troubleshoot DNS issues at both intra-network and inter-network levels, ensuring...systems. . Support and maintain Active Directory integration with DNS to ensure seamless operations. Documentation and Reporting: .… more
    Insight Global (12/18/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to ... obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations and… more
    V2X (11/15/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing professionalism ... better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the...abilities. + Solid understanding of networking protocols and concepts ( DNS , DHCP, TCP/IP, VPN, etc.). + Expert knowledge and… more
    General Dynamics Information Technology (01/05/26)
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  • Cloud Administrator

    Leidos (Ashburn, VA)
    …confirmed security violations. We are seeking a skilled and motivated Cloud Administrator to join our growing team. **Primary Responsibilities:** The Cloud ... Administrator will play a key role in managing, maintaining,...Hands on experience with and knowledge of networking concepts ( DNS , VPNs, load balancers, etc.) and cloud-based networking configurations.… more
    Leidos (11/15/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    Systems Administrator The Opportunity: In this role, you'll design, operate, and evolve the systems that power national-security missions. From enterprise Windows ... (HA) architectures with redundancy, clustering, and replication. + Maintain DNS , routing, and VLAN configurations supporting secure multi-network environments. +… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • Senior Enterprise Messaging Administrator

    Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, US Dec 12, ... 2025 **Senior Enterprise Messaging Administrator ** Dentons US LLP is currently recruiting for a...Administer and provide robust support for Active Directory, EntraID, DNS , and Microsoft Exchange, with a specialized focus on… more
    Dentons US LLP (12/13/25)
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  • Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    …of our Windows Active Directory infrastructure (Unclassified & Classified), Windows DNS , DHCP, Veritas replicated file shares management & Windows DFS Shares. ... Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory infrastructure (GPOs,… more
    Leidos (01/07/26)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions ... most complex government, defense, and intelligence projects. Join GDIT as a **SharePoint Administrator Expert (SME)** with for a career where your growth is just as… more
    General Dynamics Information Technology (10/29/25)
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  • Citrix Administrator

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a Citrix Administrator , tomanage, maintain, deploy, troubleshoot and support servers for a mixed customer environment ... be a remote position. **Responsibilities** This position is for a Senior Citrix Administrator supporting the Windows team. This is currently a mixed and growing… more
    GovCIO (12/24/25)
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  • Cloud Administrator (Top-Secret clearance)

    Tetrad Digital Integrity LLC (Ashburn, VA)
    …threats and vulnerabilities in this digital age. We are looking for a Cloud Administrator to join our team in Ashburn, VA to support a large, Federal agency ... (eg AWS, Microsoft Azure, GCP, etc.). Additionally, the Cloud Engineer/ Administrator should have understanding of cloud infrastructure management technologies (eg… more
    Tetrad Digital Integrity LLC (11/09/25)
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  • Systems Administrator 1

    DCCA (Annapolis Junction, MD)
    Systems Administrator 1 Location Annapolis Junction, MD Job Code 2149 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com Systems Administrator 1 Candidate must have an active TS/SCI w/ Poly For over 40… more
    DCCA (11/17/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you advance your ... career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like… more
    General Dynamics Information Technology (12/18/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * **The Opportunity:** CACI is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and maintenance of the… more
    CACI International (12/27/25)
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  • VMware Administrator

    SAIC (Washington, DC)
    **Description** **SAIC** is seeking a motivated and skilled **VMware Administrator ** with strong experience in Windows Server administration, HP server hardware ... + Manage and support Windows Server environments (2016/2019/2022) -- Active Directory, DNS , DHCP, Group Policy, and file/print services. + Administer and maintain HP… more
    SAIC (12/13/25)
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  • Server Administrator

    Koniag Government Services (Washington, DC)
    Koniag IT Systems LLC, a Koniag Government Services company, is seeking a Server Administrator to support KITS and our government customer in Washington, DC. This is ... qualified, experienced and self-motivated individual to perform the duties of a Server Administrator to support a federal client located in Washington, DC. We offer… more
    Koniag Government Services (10/15/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr. System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite, SCIF ... with CI Polygraph Job Description: The job duties of the Sr. System Administrator are as follows: * Plans, designs, and implements infrastructure changes and system… more
    Arena Technical Resources, LLC (01/01/26)
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  • Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... **About the Role** We are seeking a **Senior System Administrator - Network Operation Center** to support our federal government… more
    St. George Tanaq Corporation (11/14/25)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    …our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure, compliant identity solutions in alignment ... across Active Directory, Azure AD, and related services. The Senior IAM Administrator develops and maintains scripts to improve efficiency, accuracy, and compliance,… more
    Insight Global (12/09/25)
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  • Cloud System Administrator

    DCCA (Annapolis Junction, MD)
    Cloud System Administrator Location Annapolis Junction, MD Job Code 2063 # of Openings 1 Apply Now ... benefits package. Visit our website at: www.dcca.com Cloud System Administrator Candidate must have an active TS/SCI w/ Poly...user and group accounts in LDAP configuration of DHCP, DNS , and TFTP. . Shall have demonstrated experience with… more
    DCCA (11/17/25)
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