• Unix Administrator

    TekSynap (VA)
    …Assurance Certification (GAIC) Security Essentials Certification (GSEC) + Certified Network Defender (CND) + Systems Security Certified Practitioner ... installations and upgrades; monitors and reviews logs; applies appropriate operating system security measures; designs and implements high availability… more
    TekSynap (11/15/25)
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  • Virtual Platform Administrator - REMOTE

    TekSynap (VA)
    …Cloud Operations + Red Hat Certified Engineer (RHCE) + Red Hat Certified System Administrator (RHCSA) **Desired Experience and Skills** + Extensive knowledge of ... **DoD 8570 IAT Level II Baseline Certification:** + COMPTIA Security + CE + Cisco Certified Network Associate...security compliance, and supporting disaster recovery and high-availability systems . **Overview** We are seeking a Systems … more
    TekSynap (11/08/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    …Management (IAM) and integration with Linux systems . * Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) certification. * ... The successful candidate will manage and support enterprise Linux systems that are mission-critical to national security ...implement proactive solutions. * Collaborate with network , security , and application teams to resolve system … more
    CACI International (11/13/25)
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  • Log Aggregation Administrator , SME

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …from various IT systems . This role is critical for monitoring system performance, enhancing security , troubleshooting issues, and ensuring compliance across ... Log Aggregation Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for… more
    CGI Technologies and Solutions, Inc. (12/11/25)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    …Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - 7+ years in a System Administrator or IAM position working in a hands-on ... processes, enforces access governance, and integrates IAM platforms with enterprise systems . The position collaborates closely with security , compliance, and… more
    Insight Global (12/09/25)
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  • Senior Network Administrator…

    TekSynap (Radford, VA)
    … network operations. + Monitor and tune network performance, ensuring systems are hardened and compliant with security requirements. + Analyze network ... with internal teams and external stakeholders to ensure optimal operation and scalability of network systems . + Assist in the lifecycle management of network … more
    TekSynap (10/25/25)
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  • Storage Administrator (TS/SCI required)…

    IT Concepts (Springfield, VA)
    …transfer, and load items to Agency networks. + Select, transfer, and load items from one security or network domain to another security or network ... reviewer of items to be released to the target security / network domain. + Ensure appropriate records of...components. + Experience using Storage Area Networks (SAN) and Network Attached Storage Using System and Storage… more
    IT Concepts (01/09/26)
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  • System Administrator

    TekSynap (Arlington, VA)
    **Responsibilities & Qualifications** TekSynap is seeking a ** Network Engineer** toadminister and sustain JPO's classified and unclassified systems , applying ... of cloud services. + Monitor performance, availability, and compliance of all systems . **REQUIRED QUALIFICATIONS** + Bachelor's degree in IT, Computer Science, or… more
    TekSynap (12/31/25)
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  • HBSS Administrator

    Leidos (Fort Belvoir, VA)
    …Microsoft Defender. Administrator will also be responsible in applying Security Technical Implementation Guides (STIGs), managing system patches, and ... + Continuous upkeep, monitoring, analysis, and response to Information System , network and security events...arising from updates. ** System Hardening:** + Harden systems by applying best practices and federal security… more
    Leidos (01/13/26)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** System Administration,Technical Work,Troubleshooting **Certifications:** CompTIA Security + CE ... proper escalation and resolution by Tier 2/3. + Perform network management services to include: monitoring network ...Technical Skills: 1+ years of directly related experience in systems administration and analysis. + UNIX/LINUX System … more
    General Dynamics Information Technology (12/02/25)
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