• 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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  • Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description **Overview** ... **About the Role** We are seeking a **Senior System Administrator - Network Security** to support our federal government customer.… more
    St. George Tanaq Corporation (11/18/25)
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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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  • 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 (11/26/25)
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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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  • 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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  • 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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  • Network Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …in electrical, engineering, and cybersecurity industries. We are seeking a **Network Administrator 2** to join our **Security and Electronic Systems (SES)** business ... protocols and switching technologies, LAN/WAN medias and protocols, and firewall configuration and protocols. + Familiarity with Information Assurance concepts… more
    M. C. Dean (11/26/25)
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  • Cyber Splunk Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …Enterprise and Splunk Enterprise Security. Will interface with fellow Cyber and Firewall engineers to gather additional requirements and details to help support the ... hardware and software refresh and upgrade of Cyber Security Systems. Supports periodic firewall rule set review and auditing for standards and use software. Attends… more
    General Dynamics Information Technology (12/08/25)
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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 (11/29/25)
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  • Principal Architect, Cloud Engineering…

    Oracle (Washington, DC)
    …Balancers, DNS, NAT, WAF, SD-WAN and CDN solutions. .Experience with 3rd party firewall solutions from Palo Alto, Fortinet, Cisco, Juniper and Check Point. .Strong ... Professional AWS Certified Advanced Networking - SpecialtyMicrosoft Certified: Azure Administrator Associate (AZ-104) Microsoft Certified: Azure Solutions Architect Expert… more
    Oracle (11/25/25)
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  • Senior Associate Systems Operations Engineer

    NTT America, Inc. (Washington, DC)
    …concepts in relation to Operating systems: subnetting, basic routing and general firewall rule concepts. + Experience in administering enterprise storage systems and ... VMware Certified) are desirable. **REQUIRED EXPERIENCE** + Experience as a Systems Administrator , with a focus on implementation, and administration. + Knowledge of… more
    NTT America, Inc. (11/20/25)
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  • Zscaler Engineer

    SAIC (Washington, DC)
    …technologies such as EDR, DLP, secure web gateway, email security, IDPS, firewall , SIEM, and identity protection tools + Integrate security solutions with Microsoft ... Defender, and Intune + Relevant certifications such as Zscaler Certified Administrator , Security+, CySA+, GSEC, Microsoft SC-300, CCNP Security, PCNSE, or Splunk… more
    SAIC (11/06/25)
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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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  • Splunk Systems Engineer - TS/SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …our team. The Digital Services SIEM Team requires an experienced Splunk System Administrator to system engineer to perform all aspects of Splunk Enterprise and ITSI ... is highly preferred. * Preferred Skills: Experience reviewing network, host and firewall security logs, experience with using scripting languages such as CSS, HTML,… more
    General Dynamics Information Technology (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 (12/12/25)
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  • Azure Cloud Developer

    General Dynamics Information Technology (Fairfax, VA)
    …Azure Fundamentals (AZ-900) | Microsoft - Microsoft, CrowdStrike Certified Falcon Administrator (CCFA) | CrowdStrike - CrowdStrike, CompTIA Project+ | CompTIA - ... 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 (12/14/25)
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