• 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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  • 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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  • 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 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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  • 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 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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  • 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 Engineer 4 - 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 (11/26/25)
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  • Principal Architect, Cloud Engineering, Networking…

    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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  • Platform Engineer - Cloud - Azure

    ABBTECH Professional Resources, Inc. (Washington, DC)
    …for cloud resources, including encryption, identity and access management (IAM), firewall configuration, and network security. + Use tools like Azure Security ... Microsoft Certified: Azure Solutions Architect Expert, Microsoft Certified: Azure Administrator Associate, or equivalent Azure-related certifications. + Experience with… more
    ABBTECH Professional Resources, Inc. (11/22/25)
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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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  • Incident Detection Analyst

    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
    Tyto Athene (10/23/25)
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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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  • 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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  • 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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  • 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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