IT Network Administrator

Location: On-Site - Lawrenceville, GA 30046- Local Required OnlyNOC Network Admin position

On-Site: This position will be required to report on-site.

Certifications: Networking: CCNA, or CompTIA Network

Position Description: We are seeking a highly skilled and technically proficient NOC Technician to support Tier 1–2 network, systems, and cloud infrastructure operations in a mission-critical 24x7x365 environment. You will be responsible for the proactive monitoring, troubleshooting, and resolution of issues impacting a large-scale LAN/WAN architecture across over 100 county wide sites, including core IP networking, virtualization platforms, hybrid cloud environments (AWS, Azure, GCP), and SaaS integrations. This role includes hands-on support of routers, switches, firewalls, wireless infrastructure, and various connected devices. You will also manage escalations, execute standard changes, and contribute to documentation and continuous improvement.

Experience: Infrastructure Monitoring & Incident Response o Monitor enterprise infrastructure using tools such as SolarWinds, Cisco Catalyst Center, Cisco Client, Palo Alto Panorama, etc. o Triage and respond to system-generated alerts and logs across network, server, andcloud environments o Perform root cause analysis (RCA) and escalate to Tier 2/3 engineering teams as necessary Network & Systems Operations o Configure and support LAN/WAN connectivity for user devices (PCs, VOIP phones, printers, IoT, card readers, body-worn cameras) Troubleshoot and maintain DHCP reservations, DNS configurations, firewall rules, ACLs, and VLAN assignments o Maintain connectivity between internal systems, cloud resources, and remote users (VPN, NetMotion, Ipsec/SSL) Security & Compliance o Block malicious IPs in real-time per InfoSec team guidance o Manage VPN access for county employees and third-party vendors o Support physical security infrastructure (cameras, intercoms) across 100 sites using Avigilon Field & Physical Layer Support o Perform cabling verification and troubleshooting for network patching o Use tools such as Fluke DTX testers to validate copper and fiber connections o Coordinate with low-voltage cabling vendors for installations and escalations Operational Management o Use Team Dynamix Service Management for ticket handling and workflow tracking o Maintain NOC SOPs, technical documentation, and operational runbooks o Participate in on-call rotations and after-hours emergency support