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# Senior Network Administrator/Engineer

- **Company:** GCyber, LLC
- **Location:** Fort Meade, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Configuration Management, Cyber Security, Computer Networks, Data Security, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Linux Servers, Network Diagrams, Network Monitoring, Routing, Network Service, TCP/IP, VMware Infrastructure, Virtual Local Area Networks, Virtualization Technology, Software Vulnerability Management, Backup and Restore, Network Routers, Software Troubleshooting, Firewalls (Computer Science), Patch Management, Hardware Infrastructure, Vmware
- **Published:** August 6, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9078383/senior-network-administratorengineer

## About the Role

* Active Top Secret clearance with the ability to obtain TS/SCI prior to start .
 * Security+ CE (or equivalent DoD 8570/8140 IAT II certification).
 * 5+ years of experience supporting enterprise network and systems infrastructure.
 * Experience administering Windows and Linux operating systems.
 * Experience configuring and troubleshooting enterprise networking, including TCP/IP, routing, switching, DNS, DHCP, and firewalls.
 * Experience supporting VMware or similar virtualization platforms.
 * Strong troubleshooting, analytical, and communication skills.

## Description

GCyber is seeking a Senior Network Administrator/Engineer, to help support our government customer. As a Senior Network Administrator, you will support a highly classified mission environment responsible for maintaining secure, reliable network and server infrastructure supporting critical operations. Working as part of a small technical team, you will perform a broad range of network, systems, and cybersecurity administration duties to ensure mission systems remain secure, available, and operational., * Configure, administer, and troubleshoot enterprise network infrastructure, including switches, routers, firewalls, VLANs, TCP/IP, DNS, DHCP, and related network services.

 * Install, configure, and maintain Windows and Linux server environments, including operating system updates, account management, software installation, and system maintenance.
 * Support VMware virtual infrastructure, physical server hardware, storage, and associated infrastructure.
 * Monitor network and system health, troubleshoot hardware, software, operating system, virtualization, and connectivity issues, and restore services during operational incidents.
 * Perform vulnerability remediation, security hardening, patch management, and maintain compliance with customer security requirements and STIGs.
 * Install, upgrade, and replace network and server hardware while supporting system lifecycle and configuration management activities.
 * Perform system backups, recovery operations, and secure data management.
 * Create and maintain technical documentation, network diagrams, configuration records, and system inventories.
 * Collaborate with engineering, cybersecurity, and mission stakeholders to implement changes, improve reliability, and enhance operational security.


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