• Firewall Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 37933 **Summary** ** Firewall Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... cutting-edge technology and take your career to the next level! The ** Firewall Administrator ** is responsible for designing, implementing, and maintaining secure… more
    Chenega Corporation (10/03/25)
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  • Senior Network and Next Generation Firewall

    Lumen (Washington, DC)
    …one or more of the following services: Federal government (MTIPS, DHS), Managed firewall , IDPS, and incident response. **Location** This is a remote position open to ... multiple support groups in multiple data centers. + Managed firewall - expertise with all aspects of firewall...Event Manager) application is desired - ArcSight or Splunk administrator experience/exposure is a plus. Ability to develop and… more
    Lumen (10/23/25)
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  • Network Administrator (Weekends only)

    IT Veterans (Washington, DC)
    Network Administrator (Weekends only) Washington, DC . Information Technology Apply Now Network Administrator Washington, DC Job Summary: IT Veterans is looking ... for a skilled part-time Network Administrator to join our team and support secure network...incident response plans + Apply security patches, updates, and firewall configurations + Maintain up-to-date network diagrams, documentation, and… more
    IT Veterans (10/16/25)
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  • Linux/UNIX Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Deliver innovative, simple solutions to complex problems as a Linux/UNIX Systems Administrator at GDIT. Here, you'll tailor cutting-edge solutions to the unique ... GDIT, people are our differentiator. As a Linux/UNIX Systems Administrator - Geospatial Systems , you will help ensure...and Cloud Technologies + LAN and WAN technologies + Firewall technologies + DMZ Architectures + Enterprise class storage,… more
    General Dynamics Information Technology (10/11/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions ... most complex government, defense, and intelligence projects. Join GDIT as a **SharePoint Administrator Expert (SME)** with for a career where your growth is just as… more
    General Dynamics Information Technology (10/07/25)
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  • TS/SCI Sr SharePoint Administrator

    Insight Global (Mount Vernon, VA)
    Job Description Insight Global is looking for a SharePoint Administrator SME to support one of our large federal clients on a long-term DoD contract. This person ... duties include but are not limited to: * Provides Microsoft SharePoint 2019 administrator support for a large customer within the DoD community. Administrator more
    Insight Global (10/16/25)
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  • Network Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at ... resets, activations, and break/fix baseline problems. + Analyze syslogs, perform firewall ACL modifications, route tracing, and interface status monitoring on Cisco… more
    Leidos (08/16/25)
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  • Wireless Network Administrator

    TEKsystems (Bethesda, MD)
    …or CCNP professional certification Required Experience: Minimum three (3) years of network administrator experience * Must be able to obtain and maintain a NIH ... Public Trust Description How a Network Administrator will Make an Impact: Leverage in-person and virtual connections to coordinate work actions to take the burden of… more
    TEKsystems (10/18/25)
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  • ABAD System Administrator (International…

    Parsons Corporation (Centreville, VA)
    …what's possible. **Job Description:** Parsons is looking for an amazingly talented **Systems Administrator ** to join our team! In this role you will get to design, ... + 5 + years of experience in a System Administrator role + Experience with virtualization + Experience with...Hat Enterprise Linux + Experience with routers, switches, and firewall configuration + Understanding of STIG, SCAP, and RMF… more
    Parsons Corporation (10/14/25)
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  • Senior Network Administrator - TS/SCI…

    General Dynamics Information Technology (Washington, DC)
    …Yes **Job Description:** Transform technology into opportunity a Network Computer Systems Administrator with GDIT. A career in enterprise IT means connecting and ... people are our differentiator. As a Network Computer Systems Administrator , you will help ensure today is safe and...solutions and secure remote access. + Implement and manage firewall platforms (Cisco ASA/Firepower, Palo Alto, Juniper SRX) with… more
    General Dynamics Information Technology (09/11/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Silver Spring, MD)
    Systems Administrator Location: Silver Spring, US Job ID: ATR 17335 Job Description Job Title: Systems Administrator Location: Silver Spring, MD - Hybrid Remote ... the stability, security, and scalability of Linux and Windows systems - Troubleshoot firewall and network policies (LAN, WAN, VPN) - Review system error logs and… more
    Arena Technical Resources, LLC (10/21/25)
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  • Systems Administrator /Engineer…

    Shuvel Digital (Vienna, VA)
    Description: We are looking for a Mid level Systems Administrator /Engineer that can come in to take ownership of day-to-day operations. You will partner with ... and control processes are required + Strong knowledge of network, firewall , routing, switching, load balancing, and proxy principles and troubleshooting related… more
    Shuvel Digital (09/25/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... + Hardware: Network Attached Storage (NAS) deployment and maintenance; Firewall , switch and router installation, deployment and maintenance; server **Additional… more
    Leidos (07/29/25)
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  • Linux Systems Administrator - TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux based workstations and servers ... Linux services + Understanding of basic networking technologies (TCP/IP, UDP, Firewall ) Desired Skills: + Familiar with virtualization and Docker technologies +… more
    Parsons Corporation (10/18/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …**US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for ... and scripts. + Implement, configure, update, and maintain the Linux operating system firewall . + Experience in handling NFS, CIFS, and SMB permissions. **WHAT YOU'LL… more
    General Dynamics Information Technology (10/25/25)
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  • Senior Network Administrator

    Spectrum Comm Inc (Falls Church, VA)
    The Senior Network Administrator manages and maintains the headquarters' network infrastructure, ensuring high availability, performance, and security. This position ... oversees routing, switching, firewall configuration, and supports network-related projects. Key Responsibilities + Configure and manage routers, switches, firewalls,… more
    Spectrum Comm Inc (08/09/25)
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  • Azure Entra Administrator

    Leidos (Gaithersburg, MD)
    **Description** Leidos is seeking a Microsoft Entra/Intune Systems Administrator to join our program in Gaithersburg, MD. This role supports a security-first ... devices in Intune; implement compliance policies (OS version, disk encryption, AV/ firewall , Secure Boot/TPM, Defender for Endpoint healthy). + Deploy Windows Hello… more
    Leidos (10/17/25)
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  • Network Operations Center (NOC)…

    Leidos (Arlington, VA)
    …within Leidos' Defense Group is seeking a **Network Operations Center (NOC) Administrator ** to provide coverage monitor tools and availability of the Compartmented ... connection. + VLAN configurations + Network trouble shooting. + Basic Firewall troubleshooting and configuration + Basic ISE/TACACs troubleshooting and configuration… more
    Leidos (10/03/25)
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  • Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    Overview MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by integrating advanced ... VMware + Cybersecurity frameworks: RMF, NIST SP 800-53, FISMA + Security monitoring, firewall , and encryption toolsets. + 3+ Years of Experience with a Master's… more
    M. C. Dean (08/27/25)
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  • Cloud Security Manager - Microsoft Azure

    Deloitte (Mclean, VA)
    …of third-party technologies to assist in securing the Azure platform such as firewall , WAF, PAM and cloud workload protection. + Assist clients with configuration ... subscription management and configuration, identify management and access control, firewall management, auditing and monitoring, security incident and event… more
    Deloitte (09/13/25)
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