• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare ... activities. + Experience in Microsoft Windows computer operating systems, LINUX operating systems, CISCO Systems, computer security program administration, and… more
    SimIS Inc. (05/09/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... Appropriate ND 50-05/DoD 8570.01-M certification. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support for common… more
    ManTech (07/22/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (07/10/25)
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  • Systems Administrator (Systems…

    Huntington Ingalls Industries (Fairfax, VA)
    …CompTIA Security+ certification. * Microsoft Windows Server certified (eg, Windows Server Hybrid Administrator Associate or MCSE: Windows Server Admin). ... Range: $76,513.00 - $115,000.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Global Security (GS). Mission Technologies'… more
    Huntington Ingalls Industries (06/28/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of network security, firewalls, ... position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US Navy Training… more
    SimIS Inc. (06/23/25)
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  • Enterprise Senior Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency (DTRA) ... Abilities:** + Experience with DISA STIGs and their relation to Windows, Linux , and VMWare Operating Systems security. + Intermediate experience with PowerShell… more
    General Dynamics Information Technology (05/31/25)
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  • Lead Administrator , ServiceNow Platform

    Bank of America (Richmond, VA)
    Lead Administrator , ServiceNow Platform Plano, Texas;Richmond, Virginia; Chandler, Arizona; Charlotte, North Carolina; Chicago, Illinois; Kennesaw, Georgia **To ... must be at least 18 years of age.** Acknowledge (https://ghr.wd1.myworkdayjobs.com/Lateral-US/job/Plano/Lead- Administrator --ServiceNow-Platform\_25005538) **Job Description:** At Bank of America, we are… more
    Bank of America (05/22/25)
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  • Network Administrator

    SAIC (Chantilly, VA)
    **Description** SAIC has an opening for a Senior Network Administrator . This position is based on site in Chantilly, VA. Duties include: + Configuring and ... to include routers, firewalls, and switches. + Working with server team to assist with any network needs to...capture tools and traffic analysis. + Working knowledge of Linux and Windows operating systems. + Experience in troubleshooting… more
    SAIC (05/13/25)
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  • Senior Monitoring & Observability Engineer…

    Fannie Mae (Reston, VA)
    …using Splunk/ Dynatrace/ Open Telemetry/ AWS Cloudwatch in a medium to large-scale Linux and Windows Server environments. * Knowledge of generating and using ... platform using Splunk/ Dynatrace/ Open Telemetry/ AWS Cloudwatch in a large-scale Linux and Windows Server environments on-premises and AWS. * Experience… more
    Fannie Mae (05/02/25)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …If so, look no further. Amentum is seeking an Information System Security Engineer - Senior to join our team of passionate individuals in Warrenton, VA. In this role ... voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional… more
    Amentum (07/17/25)
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