• Linux System Administrator

    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...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability… more
    Nightwing (12/20/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and ... SUCCEED Basic Qualifications: - Ten (10) years' experience as aLinux/UNIX Systems Administrator supporting complex, multi-site enterprise-scale environments -… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior System Cloud…

    Insight Global (Herndon, VA)
    Job Description Insight Global's SaaS Client is seeking a highly skilled Senior Systems Cloud Administrator with strong experience in Microsoft Azure, ... Windows Server administration, and Linux systems within hybrid cloud environments. The...control, and application performance. * Support disaster recovery procedures, system restorations, and root cause analysis within hybrid cloud… more
    Insight Global (12/04/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …or higher and Red Hat Enterprise Linux Certifications: RHCT or RHSA. + System administration experience across Linux systems and SQL. + Experience in ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    RTX Corporation (01/07/26)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …Server platforms, but there are also Linux distributions as well. + The Senior Systems Administrator II shall support the mid-level internal escalation ... complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server… more
    V2X (11/15/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... systems including the transition and migration of corporate systems * Monitor and report on system ...* Senior level experience managing and administering Linux /Windows based systems including patching, updates, and… more
    Amentum (11/20/25)
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  • Lead Senior Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... limited to:** + Lead and supervise a team of system administrators (Windows/ Linux /VMWare) and IT support staff....or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a System Administrator for a technical development program supporting the Sponsor's Attribute Services within the IDAM/ICAM ... space.As a System Administrator on this program, you will...of degree + Must be an expert in using Linux -based operating systems + Must have strong… more
    Leidos (01/09/26)
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  • SAP NS2 Senior Cloud Engineer/…

    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 ... internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate...languages such as JSON and YAML. + Proven strong system administration experience. + 5 years of experience with… more
    SAP (10/21/25)
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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...of databases based on functional specifications + Providing Database Administrator (DBA) support for application developers. + Commercial database… more
    BAE Systems (10/29/25)
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  • 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 ... or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support for common… more
    ManTech (12/03/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while ... you advance your career. Join GDIT as a Systems Administrator Senior and build...System Installation and Maintenance; Windows 10/11; Windows Server; Linux (RHEL, Debian); Proxmox VE; Backup and Recovery; VPN;… more
    General Dynamics Information Technology (12/18/25)
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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 ... such as: + VMware Certified Professional (VCP) + RedHat Certified System Administrator /Engineer (RHCSA/RHCE) + Microsoft Certified: Windows Server… more
    BAE Systems (12/09/25)
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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 ... change requests; support for implementation, troubleshooting and maintenance of Unix/ Linux systems ; Perform technical evaluations, analysis, and troubleshooting… more
    Assertive Professionals (01/07/26)
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  • Senior Database Administrator

    Oracle (Reston, VA)
    **Job Description** Are you a mission-driven ** Senior Database Administrator ** ready to take your career to the next level supporting the nation's most critical ... relevant hands-on experience supporting US Government or Intelligence Community enterprise systems . + Deep understanding of data architecture, engineering, and the… more
    Oracle (01/01/26)
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  • Network Infrastructure/ System

    CACI International (Mclean, VA)
    Network Infrastructure/ System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... * **The Opportunity:** CACI is looking for a Network Infrastructure/ System Administrator to join the Luke Team!...with industry best practices + Knowledge of different operating systems (Microsoft, Unix, Linux , etc.) + Attention… more
    CACI International (12/17/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    **Amentum** is looking for a **Junior Systems Administrator ** to join our team in **McLean, VA** ! As a Junior Systems Administrator , you will be ... **Responsibilities:** + Installing and configuring software updates, patching operating systems , managing system backups, and performing routine hardware… more
    Amentum (01/01/26)
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  • Lead Windows Systems Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** Lead Windows Systems Administrator (SME) We are seeking an accomplished Lead Windows ... Systems Administrator to oversee the design, operations,...History of working closely with security teams to accredit systems for operational readiness. Additional Skills (Preferred): Linux more
    General Dynamics Information Technology (12/29/25)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate ... for transformative change. **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are… more
    Amentum (12/05/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …and policy changes. + Previous experience operating as a SCI/SAP ISSO, ISSE, System Administrator , or ISSM. + Strong analytical and problem-solving skills, with ... - and make a difference with us. The Information System Security Department (R311) within the Global Security Services...Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with… more
    The MITRE Corporation (11/08/25)
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