• Lab Manager 2

    ARSIEM (Arlington, VA)
    …systems, including Linux/Unix & MacOS + Experience and knowledge of networking and network administration + Experience with Virtual Private Networks (VPN) + ... of new technologies and equipment in the lab environment + Assesses network topology and device configurations, identifying critical security concerns and providing… more
    ARSIEM (07/10/25)
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  • Lab Manager 3

    ARSIEM (Arlington, VA)
    …systems, including Linux/Unix & MacOS + Experience and knowledge of networking and network administration + Experience with Virtual Private Networks (VPN) + ... of new technologies and equipment in the lab environment. + Assesses network topology and device configurations, identifying critical security concerns and providing… more
    ARSIEM (07/10/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …technical skills in areas such as Windows and Linux operating systems, network administration , virtualization, and security + Excellent problem-solving and ... specialized support and troubleshooting for VIP users, including hardware, software, network , and application issues + Manage and maintain computer systems, servers,… more
    ManTech (08/08/25)
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  • Principal Network Engineer

    ManTech (Chantilly, VA)
    …to assist in process improvement + Performs engineering support and system administration of specialized network applications and systems to include ... ManTech seeks a motivated, career and customer-oriented **Principal** ** Network Engineer** to join our team in **Chantilly,...join our team in **Chantilly, Virginia.** As a Principal Network Engineer, you will be responsible for expanding … more
    ManTech (08/08/25)
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  • Network Engineer - Mid-Level

    Tyto Athene (Fort Lee, VA)
    …concerning architecture, design, installation, configuration, troubleshooting, management and administration of wireless network solutions, including, wireless ... **Description** Tyto Athene is searching for a ** Network Engineer - Mid-Level** to support the Defense...Adams, VA. **Responsibilities:** + Oversee all aspects of wireless network maintenance and performance monitoring. + Lead the design… more
    Tyto Athene (07/29/25)
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  • Senior Systems Administrator | Active TS clearance

    General Dynamics Information Technology (Quantico, VA)
    …TS/SCI eligible) + **Required Experience:** + 5+ years of experience with Systems Administration , general computer system, network administration , and user ... Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Mobile Device Management (MDM),Next-Generation Network more
    General Dynamics Information Technology (08/09/25)
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  • Splunk Cyber Security Architect/Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …SOAR Automation toolset + Experience or background in the Cybersecurity, Systems/ Network Administration or Observability industry **Security Clearance Level** : ... Required:** MBI (T2) **Job Family:** Cyber Security **Skills:** Cybersecurity,Linux,System Administration **Experience:** 10 + years of related experience **Job… more
    General Dynamics Information Technology (08/15/25)
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  • Cleared Microsoft Azure Enclave Administrator

    Virtual Service Operations (Lorton, VA)
    …security solutions. + Knowledge of virtualization platforms (eg, VMware, Hyper-V) and network administration concepts. Requirements + 5-8 years of professional ... This position is ideal for individuals with hands-on experience in cloud administration , specifically within Azure, and a passion for working in secure and… more
    Virtual Service Operations (08/02/25)
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  • Action Officer

    Nightwing (Arlington, VA)
    …campaigns, tactics, techniques, and procedures - Familiar with basic system and network administration , traffic analysis techniques, Computer Network Defense ... network security monitoring and/or security operations analysis, system administration , operating system hardening, cyber hygiene techniques, and cybersecurity… more
    Nightwing (08/01/25)
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  • Incident Manager 3 (Cyber Action Officer 3)

    ARSIEM (Arlington, VA)
    …campaigns, tactics, techniques, and procedures + Familiar with basic system and network administration , traffic analysis techniques, Computer Network Defense ... network security monitoring and/or security operations analysis, system administration , operating system hardening, cyber hygiene techniques, and cybersecurity… more
    ARSIEM (07/10/25)
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