Top Network Administrator Jobs

The Network Administrator will support DISA ESGS, manage network events, configure routers and switches, and troubleshoot SATCOM issues. Requires 24/7 shift work.

The Network Administrator will manage RIS' technical infrastructure, including monitoring networks, configuring devices, and optimizing performance, while also engaging with clients to provide IT solutions.

The JDNA manages Joint Data Link Network operations, performs system admin duties on Unix/Linux, supports Link 16 equipment, and ensures system performance.

The role involves system and network administration, implementation of IT solutions, and ensuring compliance with security protocols while maintaining critical services.

Responsible for installing, configuring, and maintaining network hardware and software, monitoring performance, implementing security protocols, and maintaining documentation.

Manage, monitor, and secure network infrastructure (routers, switches, firewalls, VPN, Wi‑Fi, cloud networking). Perform audits, implement changes, support email filtering, antivirus, MFA, IP phone systems, vendor/MSP coordination, documentation, user training, and assist with server/VMware/Active Directory tasks.

Provide 2nd-level network engineering support for RMLS: maintain and configure servers, routers, switches, firewalls, and load balancers in mixed Windows/Linux environments; manage storage (NAS), cloud and network security; troubleshoot, document, and support deployments; interface with vendors and lead design reviews; participate in 24x7 field support and occasional travel.

Support, maintain, and optimize enterprise network infrastructure. Configure and troubleshoot routers, switches, firewalls, VPNs, and cloud networking. Monitor performance and security, respond to incidents, perform maintenance and change management, document configurations, collaborate with cross-functional teams, and provide on-call and client-facing technical support.

The Network Admin will troubleshoot and maintain the network infrastructure, resolve outages and connectivity issues, and communicate with remote locations and AT&T for support.

The Network Administrator will support the LAN/WAN environment, design and maintain network hardware/software, and oversee network capacity and security.

The Network Administrator supports network infrastructure by managing firewalls, proxy servers, DNS, and network monitoring, focusing on security and efficiency.

The Network Administrator will support and maintain the LAN/WAN environment, oversee network design, and manage network equipment under IT Director's guidance.

Responsible for designing, configuring, and supporting IP/MPLS networks for public safety systems, including troubleshooting network issues and managing IP transport.

The role involves troubleshooting and maintaining network infrastructure, resolving outages, and monitoring remote locations for connectivity issues.

Maintain and support LAN/WAN and telecommunications systems for Buckley AFB. Install, configure, troubleshoot network hardware/software, recommend purchases, and design network infrastructure with minimal supervision.

Maintain and upgrade Cisco IOS and Nexus switches, design and manage STP/MSTP topologies, troubleshoot fiber links, manage TCP/IP networks, and perform system upgrades and patches.

Provide front-line technology support and manage network infrastructure in a K-12 environment, including troubleshooting hardware and software issues.

Manage, design, and maintain secure, high-availability network and system infrastructure for a federal law enforcement program. Configure Cisco devices, apply DISA STIGs, monitor and remediate network issues, produce diagrams and documentation, provide real-time dashboards, respond to cybersecurity incidents, and support physical, virtual, and hyperconverged environments.

Designs, implements, manages, and troubleshoots hospital network infrastructure and cloud connectivity. Ensures performance, security (HIPAA), business continuity, documentation, and acts as SME for Cisco, Barracuda, VMware, and M365-related services while collaborating with IT and clinical teams.

Design, deploy, and troubleshoot LAN/WAN and enterprise wireless networks (Wi‑Fi 5/6/6E). Perform RF planning, site surveys, access point deployments, routing/switching, VPN configuration, network upgrades, and daily support including DHCP/DNS and ticket response while collaborating with engineering and project teams.

Provide day-to-day network administration and troubleshooting for customers, maintain systems and monitoring tools, perform layer 1-3 connectivity diagnostics, support circuit activations and managed services onboarding, document issues and create internal articles, and offer technical support to internal staff and external customers.

Assist in maintaining and managing IT infrastructure, ensuring performance and security, while troubleshooting and documenting system configurations.

The Network Administrator will maintain and support Sage applications, troubleshoot issues, respond to customer inquiries, provide training, and assist in software release efforts.

Maintain, install, configure, monitor, and troubleshoot classified voice and data network infrastructure (switches, routers, firewalls, encryptors). Produce network documentation and analysis, coordinate vendor/third-party maintenance, support network management platforms, and work outside normal hours as needed. Must hold an active transferable U.S. Secret clearance and work onsite in Tucson.

Maintain, configure, monitor, and troubleshoot classified voice and data network infrastructure (routers, switches, firewalls, encryptors). Produce documentation and diagrams, perform network analysis and vendor coordination, support network management platforms, and work outside normal hours as needed in onsite classified environments.