• 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 ... involves configuring, troubleshooting, and ensuring the reliability, security, and performance of systems and services. The Systems Administrator will… more
    M. C. Dean (11/26/25)
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  • Network Administrator 3 -Tyson's

    M. C. Dean (Vienna, VA)
    …cyber-physical landscape. **Position Summary:** MC Dean is seeking a highly competent **Network Administrator 3 ** to assist on the design and maintenance of its ... Intelligence (TM) . As a leader and premier provider of cyber-physical systems , we spearhead the design, construction, operation, and maintenance of solutions… more
    M. C. Dean (11/26/25)
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  • Contract Administrator 3 or 4

    Northrop Grumman (Dulles, VA)
    …invites you to bring your pioneering spirit to our inclusive team. As a **Contracts Administrator - Level 3 (Principal) or 4 (Senior Principal)** , located in ... 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 (10/29/25)
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  • Systems Administrator - Tier…

    GovCIO (Fairfax, VA)
    **Overview** GovCIO is currently hiring for a System Administrator - Tier 3 Support with an active Secret clearance in support of our DEA Bluestone program. ... USD $130,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/4592/ systems - administrator tier- 3 -support/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Fairfax_ **ID**… more
    GovCIO (12/02/25)
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  • Patch and Linux Administrator

    Huntington Ingalls Industries (Fairfax, VA)
    …This role requires deep technical expertise in enterprise patch management and system administration across multiple operating systems , including Red Hat ... posture * Test patches in non-production environments before deploying to production systems to prevent system disruptions and compatibility issues * Monitor… more
    Huntington Ingalls Industries (11/14/25)
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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …to obtain DHS Suitability. - 5+ years of directly relevant experience as a Linux System Administrator . - 3 + years of experience with Splunk Enterprise ... of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across… more
    BCMC (10/16/25)
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  • Systems Administrator 3 (Unix…

    Oracle (Washington, DC)
    …with the focus on excellence. Oracle's Federal Operations Production Service System Administrators provide system implementation, support, monitoring, and ... safety, cyber security, as well as contributing to availability, reliability, and system performance. We are looking for someone who flourishes working in… more
    Oracle (11/25/25)
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  • Production Service Systems

    Oracle (Washington, DC)
    …be responsible for the operation of production environments, including systems and databases, supporting critical business operations. Will perform administration ... vendors to resolution and coordinate a storage infrastructure of Oracle system and database appliances. Responsible for Oracle production environments; assist with… more
    Oracle (11/25/25)
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  • Salesforce Administrator with Data Loader…

    ICF (Reston, VA)
    Administrator - Qualifications** **Basic Qualifications** + Active Salesforce Administrator certification. + 3 + years of hands-on experience administering ... fast-growing, dynamic technology organization looking for a passionate **Salesforce Administrator ** to help drive digital transformation across Federal agencies. As… more
    ICF (11/22/25)
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  • Tier 3 Unified Communications…

    CACI International (Washington, DC)
    Tier 3 Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Controller (IMC) and various other tools as required. The Enterprise Communications Services 3 (ECS3) program supports our intel customer across its CONUS & OCONUS… more
    CACI International (10/25/25)
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  • Network Administrator

    Tactibit Technologies LLC (Suitland, MD)
    …and assessments to meet strict compliance and operational security requirements Network Administrator requirements are: + 3 + years of network administration or ... to excellence in everything we do. About the Network Administrator position We are looking for a talented network...to perform well working in a team, along with system administrators, engineers and scientists. This position is located… more
    Tactibit Technologies LLC (09/25/25)
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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...Associate, AWS Certified Developer Associate, or AWS Certified SysOps Administrator Associate) + 3 + years of C2S… more
    Leidos (10/10/25)
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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 ... remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This...environment. This position will plan, execute, and implement new system HW and SW and create and maintain team… more
    GovCIO (09/24/25)
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  • System Administrator

    Jacobs (Chantilly, VA)
    We are seeking an experienced System Administrator Level 3 with 15 years of extensive experience in managing and maintaining complex IT infrastructures. The ... ideal candidate will have in-depth knowledge of system administration, cloud services, network management, cybersecurity, and enterprise-grade applications. This… more
    Jacobs (12/03/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …customers to handle service inquiries and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software applications ... can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media...servers located in offsite data centers. + Provide Tier 3 operations support and be able to rapidly distinguish… more
    Leidos (12/03/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Washington, DC)
    … administration. Requirements + 3 + years of experience as a system administrator + Experience with installing or configuring devices, applications, and ... and application software as necessary. Support Linux & Windows systems engineering efforts in system design and...5+ years of experience as a system administrator , or Bachelor's degree and 3 + years… more
    ENS Solutions (09/12/25)
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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 ... like Salt and Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation, tune system more
    Leidos (10/01/25)
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  • Pr./ System Admin - Shift Work (Top Secret)

    Northrop Grumman (Chantilly, VA)
    …only part of history, they're making history. We have an opening for a **Tier 2/ 3 System Administrator ** to join our team of qualified, diverse individuals ... or IAT Level 2 certification** **Preferred Qualifications:** + Red Hat Certified Systems Administrator (RHCSA) certification + Experience with DNS, Active… more
    Northrop Grumman (11/25/25)
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  • Lab Manager / System Administration

    Node.Digital (Arlington, VA)
    …to obtain DHS Suitability. - 5+ years of directly relevant experience as a Linux System Administrator . - 3 + years of experience with Splunk Enterprise ... of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across… more
    Node.Digital (10/21/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    … administration experience. + 5+ years of directly relevant experience as a Linux System Administrator . + 3 + years of experience with Splunk Enterprise ... clients in Arlington, VA. Responsibilities + Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across… more
    ARSIEM (11/12/25)
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