• Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    systems Preferred Requirements * 5+ years of hands-on experience administering Linux systems in enterprise environments * 3 + years of dedicated experience in ... certification * Apple Certified Support Professional (ACSP) or Jamf Certified Administrator * Certified Information Systems Security Professional (CISSP) or… more
    Huntington Ingalls Industries (11/14/25)
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  • Systems Administrator 3

    Nightwing (Annapolis Junction, MD)
    …in the intelligence community, defense, civil, and commercial markets. The Systems Administrator will provide support for implementation, troubleshooting and ... systems enhancements to improve reliability and performance. System Administrator (SA) shall possess the following capabilities: Provide support for… more
    Nightwing (09/22/25)
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  • System Administrator 3

    M. C. Dean (District Of Columbia, DC)
    …in electrical, engineering, and cybersecurity industries. Responsibilities What you'll do: The Systems Administrator 3 is responsible for the day-to-day ... troubleshooting, and ensuring the reliability, security, and performance of systems and services. The Systems Administrator...and performance of systems and services. The Systems Administrator will collaborate with other staff… more
    M. C. Dean (08/27/25)
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  • Systems Administrator - Tier…

    GovCIO (Fairfax, VA)
    …a referral to this job (https://careers-govcio.icims.com/jobs/4592/ systems - administrator tier- 3 ... **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program.… more
    GovCIO (09/02/25)
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  • Windows Administrator

    GovCIO (Washington, DC)
    …+ Experience in Computer Science or IT. + 5+ years' experience as a Windows Systems Administrator or Engineerwith 3 + years' experience in automating assigned ... and will be a remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently a mixed… more
    GovCIO (09/24/25)
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  • Pr./System Admin - Shift Work (Top Secret) - Space…

    Northrop Grumman (Chantilly, VA)
    …or IAT Level 2 certification **Preferred Qualifications:** . Red Hat Certified Systems Administrator (RHCSA) certification . Experience with DNS, Active ... making history. We have an opening for a **Tier 2/ 3 System Administrator ** to join our team.... Current Security+ or IAT Level 2 certification _Principal Systems Administrator_ . **Tier 3 :** Bachelor's degree… more
    Northrop Grumman (11/15/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …your career path. Leidos has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under ... Your job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, systems performance optimization along… more
    Leidos (10/01/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... troubleshooting escalated issues, restoring service, and escalating to Tier 3 as needed. + Directly assist end users and...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
    BAE Systems (10/08/25)
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  • Senior Cloud Systems Administrator

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based ... + Maintain complex modern cloud architectures + Support Tier 3 and Tier 4 personnel as needed + Create...based on position level and/or job specifics. **Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …position level and/or job specifics. **Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...management, enterprise-leve, multi-site design and architecture + Support Tier 3 Infrastructure services such as: DNS, NIS, Active Directory,… more
    BAE Systems (09/09/25)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    Sr. Systems Administrator Location: Washington, DC, US Job ID: ATR 17714 Job Description Job Title: Sr. Systems Administrator Job Location: Washington, ... (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . Master's… more
    Arena Technical Resources, LLC (10/25/25)
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  • Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** The Systems Administrator will be responsible for: +...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (10/12/25)
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  • Senior Linux Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (09/26/25)
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  • Systems Administrator (2nd shift)

    General Dynamics Information Technology (Mclean, VA)
    …**Job Description:** General Dynamics Information Technology has an immediate opening for a Systems Administrator . The candidate is a systems ... System (MAAS). This position requires 2nd Shift work - 2:00pm - 10:00pm. **HOW A SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** + Work with collaborative teams to… more
    General Dynamics Information Technology (11/13/25)
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  • Lead On-Site Systems Administrator

    Leidos (Washington, DC)
    **Description** Leidos is hiring a **Senior Systems Administrator ** to support the ESA V program. The ESA V program is an IT Services program supporting several ... at the downtown DC office and remotely. The Senior Systems Administrator will be the senior onsite...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (11/09/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …(AWS Certified Architect Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate) + 3 + years of C2S experience + Cloud ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS/SCI with Polygraph +… more
    Leidos (10/10/25)
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  • IT Systems Administrator

    Leidos (Washington, DC)
    **Description** The Leidos National Security Sector is seeking an experienced ** Systems Administrator ** to provide technical expertise installing, configuring, ... minimum of 5 years of professional experience as a Systems Administrator supporting enterprise environments _(additional experience,...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (09/13/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... development, lab, and production systems . - Perform large scale configuration management and deployment...years of directly relevant experience as a Linux System Administrator . - 3 + years of experience with… more
    BCMC (10/16/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation,...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (09/20/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    System Administrator 3 Location Annapolis Junction, MD Job Code 2127 # of Openings 1 Apply Now ... and benefits package. Visit our website at: www.dcca.com System Administrator 3 Candidate must have an active...Key Tasks: DCCA is looking for TS/SCI w/Polygraph cleared Systems Administrators with Linux and Windows experience! We have… more
    DCCA (11/17/25)
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