• SIPRNet Administrator

    CACI International (Reston, VA)
    … devices including routers, switches, firewalls, IDS/IPS, and C2C. + Complete STIG checklists for network and operating system hosts. + Patch network ... on classified networks. + Active Secret clearance. + Strong understanding of network devices and operating systems . + Proficiency in DISA STIGS and other… more
    CACI International (08/08/25)
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  • Network Engineer

    Nightwing (Sterling, VA)
    …Hardware and Software: Knowledge of network devices (routers, switches, firewalls), operating systems , and network management tools. + Problem-solving ... and maintain the WAN/MAN/LAN network interfaces, datacenter network , and other communication systems . The NE... into SYSTEM . The NE ensures the SYSTEM network functions smoothly and securely. They… more
    Nightwing (09/26/25)
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  • F5 Network Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance - Conduct ... and communication of status to agency management and internal customers - Install/load operating system and application software - Isolate and resolve hardware… more
    Arena Technical Resources, LLC (07/19/25)
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  • Network Administrator II

    William C Brown Inc (Springfield, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance + Integrate ... and resolve of hardware and software problems involving the applications, the operating system , the hardware, the communications infrastructure, or any… more
    William C Brown Inc (09/01/25)
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  • CAN/LAN Network Lead

    CACI International (Sterling, VA)
    …maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance + Supports ... CAN/LAN Network Lead Job Category: Information Technology Time Type:...has an exciting and challenging opportunity available for a Network Designer supporting an Intelligence Community customer's campus-area (CAN)… more
    CACI International (09/04/25)
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  • CAN/LAN Network Tier 3

    CACI International (Sterling, VA)
    …maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance + Supports ... CAN/LAN Network Tier 3 Job Category: Information Technology Time...* * **The Opportunity:** CACI is seeking a CAN/WAN Network Tier 3 to provide support for implementation, troubleshooting… more
    CACI International (07/26/25)
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  • Senior Network Engineer

    TekSynap (Arlington, VA)
    …VIP/GO quarters. **REQUIRED QUALIFICATIONS** + Experience: + 5+ years primary role operating , troubleshooting, installing network routers and switches. + 5+ ... **Responsibilities & Qualifications** **RESPONSIBILITIES** + Configure and install various network devices and services. + Monitor and analyze network … more
    TekSynap (07/09/25)
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  • Rapid Response Senior Network Engineer

    TekSynap (Arlington, VA)
    …architecture drawings. **REQUIRED QUALIFICATIONS** + Experience: + 3+ years primary role operating , troubleshooting, installing network routers and switches + 3+ ... + Serve as the primary point of contact for rapid response to network emergencies, including outages, security breaches, and critical incidents. + Conduct urgent… more
    TekSynap (07/09/25)
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  • Classified Lab Manager

    The MITRE Corporation (Mclean, VA)
    …of lab IT architecture + Fundamental understanding of system administration, network , and operating system hardening techniques. + Fundamental ... updating Windows and Linux (RHEL, Ubuntu) server and desktop operating systems + Updating anti-virus software definitions...understanding of operating system command-line tools. + Ability to interface with customers… more
    The MITRE Corporation (09/04/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …deploys patches and software updates for all types of OT infrastructure including operating systems , network equipment, virtual infrastructure, and PLCs ... server infrastructure, cyber security tools and technologies, identity access management systems , OT software applications, operating systems , wireless… more
    AltaGas (08/07/25)
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