• Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (08/20/25)
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  • Senior Systems Administrator

    ICF (Reston, VA)
    …within the DC MD VA area We are seeking a highly skilled and customer-facing Senior Systems Administrator to support Linux and Windows environments for a ... **Key Responsibilities:** + Maintain and administer Linux and Windows operating systems , ensuring system performance and security compliance. + Apply patches,… more
    ICF (09/27/25)
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  • Senior Security Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …None **Job Family:** Cyber and IT Risk Management **Skills:** Cybersecurity, Information Technology Security,Software Systems **Certifications:** None - None ... - None **Experience:** 5 + years of related experience **Job Description:** ** Senior Security Administrator ** Own your career as a Senior Security … more
    General Dynamics Information Technology (09/29/25)
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  • Senior Linux Administrator -Team…

    General Dynamics Information Technology (Falls Church, VA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** Linux,Operating Systems Security,Red Hat Ansible,Red Hat Enterprise Linux (RHEL),Security Technical ... Certified - CompTIA - CompTIA, Red Hat Certified System Administrator (RHCSA) in Red Hat OpenStack - Redhat Certified... (RHCSA) in Red Hat OpenStack - Redhat Certified Systems Administration RHEL 9 - Redhat Certified Systems more
    General Dynamics Information Technology (08/22/25)
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  • Senior Systems Administrator

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... (IAT) Level II + Experience and Knowledge of Navy tactical systems and combat information center operations + SECRET clearance Experience Desired: + Preferred:… more
    SimIS Inc. (09/22/25)
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  • Senior System Administrator

    ManTech (Chantilly, VA)
    …our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows-based Information System and will assist and ... support the installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and… more
    ManTech (09/01/25)
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  • Cleared Senior Microsoft Azure Enclave…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Microsoft Azure Enclave Administrator * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you a skilled cloud professional ... expertise in Microsoft Azure and secure enclave environments? Join our team as a Senior Microsoft Azure Enclave Administrator and play a critical role in… more
    Virtual Service Operations (08/02/25)
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  • Senior Principal Contract…

    Northrop Grumman (Fairfax, VA)
    …invites you to bring your pioneering spirit to our inclusive team. As a **Contracts Administrator - Level 4 ( Senior Principal)** , located in Dulles, VA or any ... Audit, DCMA/DCAA and other external auditors relative to audits or requests for information directly related to the business systems or post submittal audits… more
    Northrop Grumman (09/19/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and ... Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career in enterprise IT… more
    General Dynamics Information Technology (09/30/25)
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  • Senior Database Administrator

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Database Administrator ** to join our team in **Reston, VA** . This is an **onsite** ... position. The **Database Administrator ** will work to determine, implement, and maintain the...+ Must be able to communicate, converse, and exchange information with peers and senior personnel +… more
    ManTech (09/01/25)
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