• IT Systems Administrator

    Nuclear Fuel Services (Lynchburg, VA)
    …DNS, Group Policy, Exchange, IP Monitoring, and terminal server system/Windows Firewall . + Setups, administers, and supports various virtualization platforms, such ... to obtain and maintain a Department of Energy (DOE) clearance. Preferred Additional Qualifications: + Active security clearance. #LI-DA1 Pay: $[[cust_salaryMin]] -… more
    Nuclear Fuel Services (06/28/25)
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  • Senior Systems Administrator (Unix/ Linux)

    First Division Consulting (Dahlgren, VA)
    …and updates for RDT&E environments. + Oversee security management, including firewall configurations, network security tools, and vulnerability mitigation. + Conduct ... Network Professional Security) + CCSP (Certified Cloud Security Professional) Preferred Qualifications: + Experience supporting DoD or government RDT&E environments.… more
    First Division Consulting (06/19/25)
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  • Principal Satellite Communications Engineer

    ManTech (Reston, VA)
    …+ Strong Network administration experience, including DNS, routing, and firewall configuration + Strong experience monitoring satellite communications equipment and ... potential issues before they create outages or otherwise interrupt communications ** Preferred Qualifications:** + N/A **Clearance Requirements:** + Must have an… more
    ManTech (06/19/25)
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  • Network Engineer

    Leidos (Chantilly, VA)
    …8 years of experience OR a Masters degree and 6 years of prior relevant experience preferred OR 12 years of relevant career experience in lieu of degree. * Layer 2 ... practices and technologies including, but not limited to, SSH, IPSec, TACACs, firewall policies, DNS, Active Directory and 802.1x * Possess excellent written and… more
    Leidos (06/18/25)
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  • Journeyman Field Engineer

    ManTech (Reston, VA)
    …Strong Network administration experience, including DNS, routing, and firewall configuration + Strong infrastructure administration experience, including ... systems administration enabling tools such as Jira, Git, and Gradle/Maven ** Preferred Qualifications:** + Cloud administration and remote management experience +… more
    ManTech (06/17/25)
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  • Computer Systems Analyst

    ManTech (Herndon, VA)
    …IT Operations experience + Hands-on experience with Cisco routing, switching, and firewall technology + Experience with primary network topologies, LANs, WANs and ... CCNP, Virtualization, monitoring and troubleshooting tools + IAM III/IAT III ** Preferred Qualifications:** + One of the following certifications: Certified Business… more
    ManTech (06/14/25)
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  • Senior Specialist, Software Engineer

    L3Harris (Lynchburg, VA)
    …of 10 years of prior related experience in software engineering. Preferred Additional Skills: + Orchestration/Automation tools such as Jenkins, Ansible, ... Directory knowledge + IP network understanding, Cisco switch, router and firewall knowledge + Experience with Wireshark and simulation/emulation/loading tools a… more
    L3Harris (06/12/25)
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  • Field Engineer

    ManTech (Reston, VA)
    …years of experience with Network administration experience, including DNS, routing, and firewall configuration + 1+ years of experience with Experience with general ... administration enabling tools such as Jira, Git, and Gradle/Maven ** Preferred Qualifications:** + Infrastructure administration experience, including technologies such… more
    ManTech (06/11/25)
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  • Network Operation Center Analyst

    ManTech (Herndon, VA)
    …and CCNA certification + Hands-on experience with Cisco routing, switching, and firewall technology + Experience with primary network topologies, LANs, WANs and ... EIGRP, OSPF) and network protocols (eg, TCP/IP, GRE, IPSEC, and VRF) ** Preferred Qualifications:** + One of the following certifications: Certified Business Analysis… more
    ManTech (06/07/25)
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  • Network Security Engineer III

    Imagine One Technology & Management (Virginia Beach, VA)
    …day-to-day management and maintenance of the LCS core network infrastructure + Perform firewall and network device support for the TSCE core infrastructure + Oversee ... methods + Excellent ability to communicate effectively orally and in writing ** Preferred Qualifications:** + Served on a LCS platform + Windows Server upgrade… more
    Imagine One Technology & Management (06/03/25)
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