• Senior Security Administrator

    Nightwing (Annapolis Junction, MD)
    …in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a ** Senior Security Administrator ** who will play a critical role ... and sensitive information. This position is designed for an experienced security professional who thrives in high-visibility environments, operates with minimal… more
    Nightwing (12/29/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    …Parental Paid Leave, and much more. **Join us and make a difference in National** ** Security !** As a Senior Systems Administrator you will play a vital ... **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's.... Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical… more
    Leidos (11/15/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, ... to fill a Core Services position supporting the NNSA (National Nuclear Security Administration). The Systems Administrator is responsible for supporting core… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... will be crucial in ensuring system stability, performance optimization, and proactive security . You'll also be responsible for providing clear and concise weekly… more
    Leidos (12/20/25)
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  • Senior Enterprise Messaging…

    Dentons US LLP (Washington, DC)
    …US LLP is currently recruiting for a Senior Enterprise Messaging Administrator . This position will ensure seamless operation, security , and advancement of ... Senior Enterprise Messaging Administrator Chicago, IL,...name record identification and resolution. + Implement and manage security measures, including anti-spam methods, monitoring system abuse to… more
    Dentons US LLP (12/13/25)
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  • Database Administrator - Senior

    Amentum (Washington, DC)
    We are searching for a Top Secret cleared Database Administrator ( Senior ) to join our team in Washington, DC. You will be working in an organization that's ... ensure its applications and tools meet or exceed the needs of the mission. The Database Administrator ( Senior ) is a part of a team that will lead large scale… more
    Amentum (11/04/25)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    Job Description This position is for our large software client. The Senior Identity and Access Management (IAM) Administrator is responsible for leading secure, ... updates, and auditing across Active Directory, Azure AD, and related services. The Senior IAM Administrator develops and maintains scripts to improve efficiency,… more
    Insight Global (12/09/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... + Multiple cloud platform certifications + CISSP, CISM, or equivalent advanced security certification + Red Hat Certified System Administrator (RHCSA) +… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • ServiceNow Portal Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **ServiceNow Portal Administrator , Senior ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2136 ... ServiceNow Portal Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for… more
    CGI Technologies and Solutions, Inc. (01/01/26)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    … (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in **Herndon, VA** ... growth and meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle system administration tasks, including… more
    The Boeing Company (12/25/25)
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  • Database Administrator , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Database Administrator , Senior ** **Category:** Database Administration **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2099 ... for a Database Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping… more
    CGI Technologies and Solutions, Inc. (12/30/25)
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  • Senior ServiceNow Administrator

    CACI International (Arlington, VA)
    Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... Type of Travel: Local * * * **The Opportunity:** CACI are seeking a Senior ServiceNow Administrator to provide advanced operations and maintenance (O&M) support… more
    CACI International (12/02/25)
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  • Portal Administrator , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Portal Administrator , Senior ** **Category:** Project Management **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2128 **Employment ... CGI Federal has an exciting opportunity for a Portal Administrator within our Intel sector advancing the national ...Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have… more
    CGI Technologies and Solutions, Inc. (01/01/26)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …experience **US Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information ... diagnose and resolve complex issues, maintaining high availability and security of video services.** **Your role will also encompass...along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:**… more
    General Dynamics Information Technology (12/11/25)
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  • Senior Principal Network…

    BAE Systems (Rockville, MD)
    …with data and computing modernization experience, to join our team as a Senior Principal Network Administrator providing support to the United States Army ... hardware deployments, and implementing software according to engineering plans. The Senior Principal Network Administrator will be involved with installation,… more
    BAE Systems (01/10/26)
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  • Senior System Administrator

    DCCA (Columbia, MD)
    Senior System Administrator Location Columbia, MD Job Code 2215 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com Senior System Administrator Candidate must have an active TS/SCI w/Poly… more
    DCCA (11/15/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... risk management requirements. + Ensure systems meet ARL performance, security , and reliability standards. + Install, configure, and maintain...or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP +… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career and customer-oriented ** Senior ** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure ... workspaces, and other core services + Monitor system performance, availability, and security , responding to incidents and performing root cause analysis + Track and… more
    ManTech (12/24/25)
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  • SAP NS2 Senior Cloud Engineer/Systems…

    SAP (Herndon, VA)
    …and a variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI ... this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/Systems Administrator candidate will be responsible for leading… more
    SAP (10/21/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at Adelphi, MD. + Must be a ... Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (01/06/26)
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