• 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 (12/22/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …+ Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3 + years deploying Unix in secured ... **Description** The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National Capital (AFNCR) IT… more
    Leidos (12/20/25)
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  • Pr./System Admin - Shift Work (Top Secret)

    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 (11/25/25)
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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 (12/09/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... improving the reliability, functionality, and user experience of the systems . This individual will work in a team environment...inquiries and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop… more
    Leidos (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 an impactful...+ Education: Technical Training, Certification(s) or Degree + Experience: 3 + years of related experience + Technical skills: Troubleshooting,… more
    General Dynamics Information Technology (12/18/25)
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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 ... make a difference in National Security!** **Job Summary:** The Systems Network Administrator provides support for implementation,...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (11/18/25)
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  • G2 Directory Services Engineer / Senior…

    General Dynamics Information Technology (Fairfax, VA)
    …Transform technology into opportunity as a **Directory Services Engineer / Senior Systems Administrator ** at GDIT. Shape what's next for mission-critical ... work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our CNIC Applications Support...recommendations to ensure optimum performance and continuity of critical systems . + Provides tier 3 support as… more
    General Dynamics Information Technology (01/05/26)
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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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  • Linux/Windows Systems Administrator

    COMSO, Inc (Columbia, MD)
    Linux/Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description ... with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning solutions for workforce… more
    COMSO, Inc (11/27/25)
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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 (01/05/26)
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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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  • Principal Cloud Administrator

    BAE Systems (Washington, DC)
    …**Join a Team that's Shaping the Future of IT Support** At BAE Systems , we're passionate about delivering innovative IT solutions that enable our customers to ... achieve their missions. As a **Principal Cloud Administrator ** , you'll play a critical role in providing...years of experience in cloud administration, with at least 3 years focused on government or regulated environments provisioning… more
    BAE Systems (10/30/25)
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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 (01/09/26)
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  • Tier 3 Network Administrator

    CACI International (Reston, VA)
    Tier 3 Network Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Unified Communication (UC), Video telecommunication and Streaming services. As a Tier 3 Network Administrator , you'll be challenged with hard complex support… more
    CACI International (12/11/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    Systems Administrator The Opportunity: In this role, you'll design, operate, and evolve the systems that power national-security missions. From enterprise ... Linux environments such as RHEL or Ubuntu supporting production and mission systems . + Administer and optimize virtualization platforms such as VMware vSphere,… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking to work on mission-critical systems in ... a dynamic environment? Parsons is seeking a mid-level Linux Systems Administrator to support Linux-based workstations and...be considered) + **Must have a minimum of:** + 3 + years of experience with Linux operating systems more
    Parsons Corporation (12/20/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Are you a skilled **Linux Systems Administrator ** looking for an opportunity to work on mission-critical ... systems ? Parsons is seeking a mid-level Linux Systems Administrator to support both Linux-based workstations...(or equivalent experience in lieu of a degree). + 3 + years of experience with Linux operating systems more
    Parsons Corporation (12/20/25)
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  • IT Systems Administrator

    EMCOR Group (Dulles, VA)
    …many government agencies. **Job Summary** **Essential Duties and Responsibilities:** **IT Systems Administrator Requirements:** The System Administrator is ... level" + Responsible for capacity, storage planning, and database performance ** Systems Administrator Qualifications:** + Relevant degree or diploma in… more
    EMCOR Group (12/31/25)
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  • Contract Administrator 3 or 4

    Northrop Grumman (Dulles, VA)
    …bring your pioneering spirit to our inclusive team. As a **Principal Contract Administrator (Level 3 ) or** **Senior Principal Contract Administrator (Level ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (01/08/26)
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