• Network Infrastructure

    CACI International (Mclean, VA)
    Network Infrastructure / System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... * * **The Opportunity:** CACI is looking for a Network Infrastructure / System Administrator ...with industry best practices + Knowledge of different operating systems (Microsoft, Unix, Linux, etc.) + Attention to detail,… more
    CACI International (12/17/25)
    - Save Job - Related Jobs - Block Source
  • IT Infrastructure and Engineering Support…

    CACI International (Sterling, VA)
    …* * * **The Opportunity:** CACI has an immediate opening for an Infrastructure / Systems Administrator , supporting a development and test environment, ... IT Infrastructure and Engineering Support Administrator Job...systems and applications, to include connectivity to various network identity providers, eg Active Directory, NIS, LDAP, etc..… more
    CACI International (11/29/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator Lead

    System One (Mclean, VA)
    …NIPRNET, SIPRNET, and JWICS systems , as well as P2P SAR (a SAP system ), infrastructure for approximately 400 users. * Provide O&M support for Special Access ... Job Title: System Administrator Lead Location: Arlington, Virginia... System infrastructure for approximately 150 users. *...Special Access Systems . * Support replication of network file share volumes via Distributed File System more
    System One (12/18/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    …to improve our future and protect our freedom. We are seeking an experienced Systems Administrator SME to join our technology-based program supporting a key ... government customer. As a Systems Administrator SME, you will play a...a critical role in delivering engineering services for complex network infrastructure and enterprise computing infrastructure more
    BAE Systems (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    BAE Systems (Sterling, VA)
    …our future and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system ... such as: + VMware Certified Professional (VCP) + RedHat Certified System Administrator /Engineer (RHCSA/RHCE) + Microsoft Certified: Windows Server… more
    BAE Systems (12/09/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    …and resolution for complex IT systems , as well as technical assistance to computer system users. As a Systems Administrator SME, you will play a critical ... role in delivering engineering services for complex network infrastructure and enterprise computing infrastructure...be available based on position level and/or job specifics. ** Systems Administrator (SME)** **116021BR** EEO Career Site… more
    BAE Systems (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Network Administrator

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Job Title: Network Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This ... position is CONTINGENT upon contract award** The Network Administrator (NA) collaboratively works closely with...and leadership to assist in deployment planning and onboard systems into PWW. They assist with monitoring, system more
    Nightwing (09/26/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator

    Leidos (Bethesda, MD)
    …as early as 6am or as late as 6pm. **You will work closely with other infrastructure and network engineers, and system engineers on the following key ... for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center... infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation,… more
    Leidos (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Linux System Administrator -Senior…

    Nightwing (Sterling, VA)
    …availability of IT systems + Coordinate and manage IT projects, including system upgrades, and network improvements ensuring projects are delivered on time + ... community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA… more
    Nightwing (12/20/25)
    - Save Job - Related Jobs - Block Source
  • 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 ... XenApp, Citrix NetScaler, and Citrix StoreFront. + Monitor Citrix infrastructure and identify system anomalies before they...and problems. + Experience working as a Tier 3 system administrator : familiar with using desktop software… more
    Leidos (12/03/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator

    Nightwing (Sterling, VA)
    …of Windows and Linux operating systems . + Networking: Understanding of network protocols, hardware, and infrastructure . + Hardware: Knowledge of computer ... in the intelligence community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This… more
    Nightwing (09/26/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means ... meaningful part in improving how agencies operate. **HOW** **A SYSTEMS ADMINISTRATOR ** **WILL** **MAKE AN IMPACT** +...optimum performance. Utilize software tools and logs to monitor network and system health. + Track and… more
    General Dynamics Information Technology (12/16/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    Aston Carter (Dulles, VA)
    Job Title: System Administrator Job Description The role requires visiting worksites to set up and manage networked IT infrastructure , including hardware, ... is vital for ensuring secure data storage, resolving technical issues, and enhancing network systems . Responsibilities + Configure and maintain the networked IT … more
    Aston Carter (12/18/25)
    - Save Job - Related Jobs - Block Source
  • Network Administrator 3 -Tyson's

    M. C. Dean (Vienna, VA)
    …and cyber-physical landscape. **Position Summary:** MC Dean is seeking a highly competent ** Network Administrator 3** to assist on the design and maintenance of ... 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)
    - Save Job - Related Jobs - Block Source
  • System Administrator

    TekSynap (Bethesda, MD)
    …the system regularly. + Assigning and updating security permissions for the system network . + Training or directing usersonthe correct use of software and ... may be substituted for degree requirements. **Overview** We are seeking a ** System Administrator ** to perform various activities to support the success… more
    TekSynap (12/16/25)
    - Save Job - Related Jobs - Block Source
  • Database Administrator (Senior)

    BAE Systems (Sterling, VA)
    …a key government customer. This program will deliver engineering services for network infrastructure as well as sophisticated enterprise computing ... **Job Description** BAE Systems , a top-ten prime contractor to the US...both on customer premise, and via remote Cloud services. Network infrastructure engineering services are comprised of… more
    BAE Systems (10/29/25)
    - Save Job - Related Jobs - Block Source
  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …Framework. + Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in ... system administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or configuring devices, applications, and… more
    ENS Solutions (09/27/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... environment by ensuring the continued health, performance, and compliance of complex network and system infrastructures. You will help drive key Operations… more
    ManTech (12/13/25)
    - Save Job - Related Jobs - Block Source
  • Cloud Administrator

    Leidos (Ashburn, VA)
    …tasks such as provisioning, monitoring, troubleshooting, and optimizing cloud resources and systems . The Cloud Administrator must have a deep understanding and ... platforms (eg AWS, Microsoft Azure, GCP, etc.). Additionally, the Cloud Engineer/ Administrator should have understanding of cloud infrastructure management… more
    Leidos (11/15/25)
    - Save Job - Related Jobs - Block Source
  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …managing enterprise-level Cisco Unified Communications solutions across our Air Force network infrastructure . + Administer and maintain Cisco Unified ... Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full...for 5 years of relevant experience). + Familiarity with network and system security principles, protocols, and… more
    CACI International (09/27/25)
    - Save Job - Related Jobs - Block Source