• Tyto Athene (Washington, DC)
    …will be clear and provide sufficient detail for a mid-level system or network administrator to understand what has occurred and what needs to take place to remediate ... events and creating advance queries methods in Splunk or advance Grep skills, firewall ACL review, examining Snort based IDS events, Pcaps, web server log review,… more
    DirectEmployers Association (10/23/25)
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  • 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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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to ... obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations and… more
    V2X (11/15/25)
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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 (10/29/25)
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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 (11/15/25)
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  • NCIS SharePoint Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Yes **Job Description:** Transform technology into opportunity as a **SharePoint Administrator ** at GDIT. Shape what's next for mission-critical government projects ... States Navy and Marine Corps. **MEANINGFUL WORK AND PERSONAL IMPACT** As a **SharePoint Administrator ** , the work you'll do at GDIT will be impactful to the mission… more
    General Dynamics Information Technology (10/04/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …what's possible. **Job Description:** Parsons is seeking a mid-level **Linux Systems Administrator ** . The candidate will support both Linux based workstations and ... Linux services + Understanding of basic networking technologies (TCP/IP, UDP, Firewall ) **Desired Skills:** + Familiar with virtualization and Docker technologies +… more
    Parsons Corporation (11/08/25)
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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 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 (11/07/25)
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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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  • 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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  • Junior Systems Administrator

    SAIC (Washington, DC)
    **Description** Seeking a Systems Administrator to support a large federal government agency. Employee will perform on-site, at a secure government location on one ... Information Support Server Environment (ISSE) 3.x/4.x. + General switch, router, and firewall management. + Network and Host Vulnerability Assessment / Mitigation. +… more
    SAIC (11/15/25)
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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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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …The Systems Engineering team is seeking a driven Senior Linux/UNIX Systems Administrator that is highly technical and mission focused. This ideal candidate is ... ready to operate as aTIER 3 level Linux/UNIX Administrator , experienced in managing large amounts of data and...and Cloud Technologies - LAN and WAN technologies - Firewall technologies - DMZ Architectures - Enterprise class storage,… more
    Arena Technical Resources, LLC (10/25/25)
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  • Network Engineer 3 - Washington

    M. C. Dean (District Of Columbia, DC)
    …analyzes, performance tunes, and make recommendations to optimize network + Manages firewall security appliances + Keeps the Division abreast of emerging network ... etc) + ITIL 4 Foundation + Microsoft Certified: Windows Server Hybrid Administrator Associate + Microsoft Certified: Azure Database Administrator Associate +… more
    M. C. Dean (08/27/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …access control mechanisms; defining and configuring the appropriate firewall settings; conducting intrusion detection and prevention; conducting vulnerability ... + Certified Information Systems Security Professional (CISSP) Certification(s). + Certified Splunk Administrator *Click here to read more about how we protect your… more
    Assertive Professionals (10/09/25)
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  • Sr. Kubernetes Platform Engineer

    Insight Global (Reston, VA)
    …associated open-source components. * Own platform network configuration (DNS, firewall services/TIC 3.0, VPN/tunnels). * Direct base image automation, distribution, ... compliance. * Strong scripting skills (Bash, Python, Go). * Certified Kubernetes Administrator (CKA) or equivalent experience preferred. * Excellent oral and written… more
    Insight Global (10/11/25)
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  • Azure Cloud Developer

    General Dynamics Information Technology (Fairfax, VA)
    …CompTIA Project+ | CompTIA - CompTIA, CrowdStrike Certified Falcon Administrator (CCFA) | CrowdStrike - CrowdStrike, Microsoft Certified: Azure Fundamentals ... Zscaler. + Strong understanding of networking, DNS, Load-Balancers, Application Gateways, firewall rules, network security groups (NSG) and Web Application Firewalls… more
    General Dynamics Information Technology (10/31/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …operating systems. + Networking: Knowledge of network protocols, routing, and firewall configurations. + Scripting: Proficiency in scripting languages like Python, ... Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: Terraform Certified Professional. +… more
    Nightwing (09/26/25)
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  • Windows & Azure SRE

    M. C. Dean (Vienna, VA)
    …implementation, as well as working experience with network routing, switching, and firewall configuration is a plus + Working knowledge of endpoint security (eg, ... + Certification: **Must be obtained within 6 months** + AZ-104 Azure Administrator Associate + Security **Abilities:** + Exposure to computer screens for an… more
    M. C. Dean (11/18/25)
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