• Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …Red Hat Enterprise Linux, Oracle Enterprise Linux, and Solaris UNIX servers. + Monitor and tune system performance to ensure optimal operations across a mixed ... operating procedures, and policies. + Perform system hardening and report on security and operational status. + Identify system improvements and lead new… more
    TekSynap (10/25/25)
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  • Senior Storage Administrator

    TekSynap (Radford, VA)
    …contributing to the development of local operating procedures and policies. + Monitor system operations and generate utilization reports to identify issues and ... new technologies to optimize and expand existing infrastructure. + Ensure the security , stability, and high availability of enterprise data storage systems. +… more
    TekSynap (10/25/25)
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  • Firewall Administrator

    Chenega Corporation (Arlington, VA)
    …collaborates with cross-functional teams to deploy firewall services, manage security configurations, and support operational excellence in enterprise environments ... and resolve connectivity, policy misconfigurations, and performance issues in firewalls. + Monitor and tune Azure Stack Hub firewall performance to meet operational… more
    Chenega Corporation (10/03/25)
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  • Network Operations Center (NOC) Administrator

    Leidos (Arlington, VA)
    …of experience. Add'l experience may be considered in lieu of degree. + IAT Level II Baseline Certification (eg CCNA Security , CySA+, GICSP, GSEC, Security + ... seeking a **Network Operations Center (NOC) Administrator** to provide coverage monitor tools and availability of the Compartmented Enterprise Services Office (CESO)… more
    Leidos (10/03/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …clearance; required to start, and must be maintained. + Active DoD 8570 IAT Level II , or higher, certification such as CompTIA Security +; required to start, and ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to… more
    Northrop Grumman (10/02/25)
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  • System Administrator - Active Secret Clearance

    ENS Solutions (Norfolk, VA)
    …Strong documentation and audit readiness skills. + Must hold a DoD 8570 IAT Level II certification (eg, Security + CE). + Familiarity with tools such as STIG ... readiness for DoD PKI inspections. Key Responsibilities: + Maintain and monitor systems supporting PKI services, including Certificate Authorities (CAs), OCSP… more
    ENS Solutions (09/27/25)
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  • Counterintelligence Cyber Threat Analyst

    ManTech (Springfield, VA)
    …threat reports, incorporating threat data from NGA's Technical CI team, network security personnel, and fused all-source intelligence, including imagery, to inform ... security decisions. + Contribute to the annual CI Cyber...of assignment. Shall possess or obtain and maintain IA II certification. **Desired Qualifications:** + Credentialed graduate of an… more
    ManTech (09/10/25)
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  • SME Network and Computer Systems Administrator

    GCyber (Alexandria, VA)
    …of network and system administration experience (or commensurate experience) + 8570 IAT II certification (ie, Security +, CCNA- Security , CND, CySA+, GCSP, ... solutions for recurring problems. + Plan and manage transitions to new technologies, monitor system performance, and maintain efficiency of system data and files. +… more
    GCyber (11/18/25)
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  • Technical Counterintelligence Advisor, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Springfield, VA)
    …( IC ) agency. Use your deep understanding of counterintelligence and technical security and signals countermeasures ( TSSC ) , and provide technical CI advice ... + 15+ years of experience within IC TSSC + Knowledge of foreign security and intelligence services, threat organizations, and threats posed to the US Government… more
    BOOZ, ALLEN & HAMILTON, INC. (11/14/25)
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  • Mission IT Operator

    CACI International (Springfield, VA)
    …with Poly required. - Must have a current DODI 8570.01-M IAT Level II Certification, Security + Certification. - Excellent communication skills ensuring effective ... - Responsible for resolving IT hardware and software infrastructure (servers, network, security , etc.) issues using systems - Analysis techniques and procedures. -… more
    CACI International (11/11/25)
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