• Cyber Defense Analyst & Incident Responder

    NTT DATA North America (Merrifield, VA)
    …+ Communicate alerts to agencies regarding intrusions and compromises to their network infrastructure, applications and operating systems + Assist ... and development of computer and network security countermeasures + Identify network and operating systems vulnerabilities and recommends countermeasures… more
    NTT DATA North America (07/14/25)
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  • Network Engineer Tier 2

    CACI International (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
    CACI International (04/17/25)
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  • Recapitalization Network Designer

    CACI International (Sterling, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance + Supports ... and resolve of hardware and software problems involving the applications, the operating system , the hardware, the communications infrastructure, or any… more
    CACI International (05/13/25)
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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 (06/27/25)
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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 (06/03/25)
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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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  • CAN/LAN Network Designer

    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 Designer Job Category: Information Technology Time Type:...* * * **The Opportunity:** CACI is seeking a Network Engineer to provide support for implementation, troubleshooting and… more
    CACI International (05/09/25)
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  • Cyber Security Detections Engineer

    McIntire Solutions (Springfield, VA)
    …5+ years of experience in a cyber role * Experience with modern Windows, UNIX, network operating systems , databases, and virtual computing * DoD 8570 ... searches and other detection signatures Preferred Qualifications: Proficient in Linux operating systems Advanced skills in Linux/Unix (command line user… more
    McIntire Solutions (05/29/25)
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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 (07/11/25)
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