• Senior Systems / Network

    Leidos (Quantico, VA)
    **Description** Leidos has an immediate opening for a Senior Systems / Network Administrator to support critical SMIT contract initiatives based in ... is the largest IT services program for the Navy. The Senior Systems / Network Administrator will oversee the operation of network systems more
    Leidos (01/06/26)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    Senior Systems Administrator II shall work closely with the activity's Senior Systems Administrator , Network Engineer as well as the IT team ... challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active… more
    V2X (11/15/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    Senior Systems Administrator Ft. Belvoir, VA Join our Talent Network Senior Systems Administrator Ft. Belvoir, VA C-CHR-24-041 TheSenior ... and information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and applications… more
    Chenega Corporation (12/01/25)
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  • Senior System Administrator

    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 ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (11/14/25)
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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 ... and together our best becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the NNSA (National… more
    General Dynamics Information Technology (01/05/26)
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  • G2 Directory Services Engineer / Senior

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Description:** Transform technology into opportunity as a **Directory Services Engineer / Senior Systems Administrator ** at GDIT. Shape what's next for ... Our work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our...Responsible for the design, implementation and maintenance of physical systems including servers, storage arrays, network devices… more
    General Dynamics Information Technology (01/05/26)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Security** to support… more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Windows Systems

    Leidos (Arlington, VA)
    Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory ... in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server OS 2019,...+ Knowledge of security tools and technologies to protect systems from vulnerabilities. + Familiarity with network more
    Leidos (01/07/26)
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  • Database Administrator ( Senior )

    BAE Systems (Sterling, VA)
    …may be available based on position level and/or job specifics. **Database Administrator ( Senior )** **117843BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** BAE Systems , a top-ten prime contractor to the US...government customer. This program will deliver engineering services for network infrastructure as well as sophisticated enterprise computing infrastructure… more
    BAE Systems (10/29/25)
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  • Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... for providing support to end-user community on difficult hardware, software and network related problems, questions, and use. + Provides resolutions to out of… more
    ManTech (12/31/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled ** Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations and… more
    ManTech (12/13/25)
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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 VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** at GDIT. Shape what's next for ... sabotage, espionage and subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Senior VMWare Administrator ,** the work you'll do at GDIT will be… more
    General Dynamics Information Technology (01/05/26)
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  • Senior SQL Server Database…

    Chenega Corporation (Fort Belvoir, VA)
    Senior SQL Server Database Administrator Ft. Belvoir, VA Join our Talent Network Senior SQL Server Database Administrator Ft. Belvoir, VA C-CHR-24-037 ... by best practices, Army policies, and DoD standards (Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs)). + Install,… more
    Chenega Corporation (12/01/25)
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  • Linux System Administrator - Senior

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA ... location. The qualified Systems Administrator will support a very dynamic...+ 5+ years of experience in IT, cybersecurity, and/or network / systems administration + Proficiency experience with Red… more
    Nightwing (12/20/25)
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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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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …improve our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of ... incentives may be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal Opportunity Employer.… more
    BAE Systems (12/09/25)
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  • Senior ServiceNow Platform…

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a ** Senior ** **ServiceNow Platform Administrator ** to support our USSS Network Operations and Security Center ... $135,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6168/ senior -servicenow-platform- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-DC-_ **ID** _2025-6168_ **Category**… more
    GovCIO (12/07/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... or any combination of these * Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve… more
    Amentum (11/20/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across ... and procedures. Incumbent in this job works closely with Network and Systems Analysts to help determine...Viewed as an expert in the field. Participates with senior management to establish strategic plans and objectives. **PROBLEM… more
    SAIC (11/19/25)
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