• 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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  • Senior Network and Next Generation Firewall

    Lumen (Annapolis, MD)
    …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 (11/04/25)
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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 (08/19/25)
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  • TS/SCI Network Administrator

    Insight Global (Fort Meade, MD)
    Job Description Insight Global is seeking a Network Administrator in Ft. Meade, MD for it's government customer. As a Network Administrator , you will design, ... and compliance frameworks (eg, NIST 800-53, RMF). *Experience with firewall and intrusion detection/prevention systems (IDS/IPS). *Ability to analyze network… more
    Insight Global (10/02/25)
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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 (11/03/25)
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  • Systems Administrator

    SAIC (Beltsville, MD)
    **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 (11/08/25)
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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 (08/27/25)
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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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  • 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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  • 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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  • Network Operation Center Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    …the technology supporting our client's no-fail, unique mission? We're looking for a systems administrator who spe cia lizes in Red Hat Enterprise Linux to help us ... threats to defend the United States and its allies. As a systems administrator on our project, you'll ensure the current infrastructure is functional and available… more
    BOOZ, ALLEN & HAMILTON, INC. (11/04/25)
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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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  • 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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  • Systems Engineer, Messaging

    Marriott (Bethesda, MD)
    …plus. + Certifications such as Microsoft 365 Certified: Messaging Administrator Associate; Cisco Secure Email training/certifications preferred. + Strong ... migration waves, and publish requirements; partner with App/Network owners for firewall and testing. + Implement & enforce email authentication: deploy… more
    Marriott (09/24/25)
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