Senior Network Administrator – Cloud & Security

City of Georgetown, TX; Georgetown (TX); On-site; USD 79,000 - 115,000; Full time

Job summary

The City of Georgetown, TX is seeking a Network Administrator to manage its on‑premise and cloud networking and firewall infrastructure. You will provision devices, monitor security, and support VoIP, LAN/WAN, and wireless systems while coordinating with vendors and IT staff.

Senior/Network Administrator roles require strong planning, documentation, and change control, plus experience with Azure and security practices. Eligible candidates should review CJIS-related requirements and upgrade paths.

Qualifications

• Knowledge of networks, servers, and enterprise systems as per city IT standards.
• Experience with on-premise and cloud networking and firewall management.
• Ability to perform change control, documentation, and vendor coordination.

Responsibilities

• Maintain and secure City networking infrastructure across on-premise and cloud.
• Configure routers, switches, firewalls, and VoIP systems; monitor performance.
• Assist in disaster recovery planning and backup processes; ensure patching.
• Work with IT staff and vendors to plan upgrades and migrations.

Skills

Networking concepts

Windows Admin

Firewall mgmt

VoIP systems

Azure Admin

Documentation

Vendor mgmt

Education

Associate's degree in IT

Bachelor's degree in IT

Tools

Cisco

Aruba

Azure

Monitoring tools

Job description

The City of Georgetown, TX is seeking a Network Administrator to manage its on‑premise and cloud networking and firewall infrastructure. You will provision devices, monitor security, and support VoIP, LAN/WAN, and wireless systems while coordinating with vendors and IT staff.

Senior/Network Administrator roles require strong planning, documentation, and change control, plus experience with Azure and security practices. Eligible candidates should review CJIS-related requirements and upgrade paths.