Field Network Engineer — Multi-Site VPNs, WiFi & Firewalls

CMA Technology; Augusta (GA); Hybrid; USD 70,000 - 100,000; Full time

Job summary

CMA Technology is hiring a Network Field Engineer to design, maintain, and troubleshoot network infrastructure across a multi-site client portfolio, including senior living facilities and small businesses. The role owns firewalls, switching, and wireless at dozens of remote sites and resolves performance issues end to end.

This position requires travel to client sites, including overnight stays, and may involve after-hours work for cutovers and outages.

Qualifications

• Experience administering networks, ideally at an MSP or across multiple client sites.
• Hands-on configuration of next-generation firewalls (SonicWall or similar), including VPN configurations.
• Solid grasp of TCP/IP, DNS, DHCP, VLANs, routing, NAT, and 802.11 wireless fundamentals.
• Experience with enterprise wireless platforms (UniFi preferred) and RF troubleshooting.
• Valid driver's license, reliable transportation, and ability to travel overnight to client sites as needed.
• Able to pass a background check.

Responsibilities

• Manage SonicWall firewalls fleet-wide: policies, NAT, security services, and firmware.
• Build and troubleshoot site-to-site and remote-access VPNs, including DNS and SSL inspection issues.
• Configure and maintain managed switches, VLANs, PoE, and uplinks.
• Diagnose port errors, loops, cabling faults, and switch outages.
• Coordinate ISP circuits (e.g., dedicated internet access) through install, cutover, and escalation.
• Administer UniFi wireless controllers across many sites.
• Analyze channel utilization, airtime, RF interference, and client experience; remediate 2.4/5 GHz congestion.
• Plan AP placement, channel and power settings, and SSID design for high-density residential buildings.
• Perform on-site installs of wireless APs and network switches, including mounting, cabling, adoption, and configuration.
• Use packet captures to isolate application slowness, such as EHR performance at clinics.
• Respond to tickets and outages as tier 2/3 escalation; document root cause and fix.
• Support connected building systems on the network, such as intercoms and nurse-call devices.
• Maintain network diagrams, IP plans, credentials vaults, and site runbooks.
• Produce status reports for clients and leadership on WiFi health, outages, and remediation.

Skills

Network administration

VPN configuration

TCP/IP fundamentals

DNS/DHCP

RF troubleshooting

Wireless fundamentals

Tools

SonicWall firewall

UniFi controller

Managed switches

Job description

CMA Technology is hiring a Network Field Engineer to design, maintain, and troubleshoot network infrastructure across a multi-site client portfolio, including senior living facilities and small businesses. The role owns firewalls, switching, and wireless at dozens of remote sites and resolves performance issues end to end.

This position requires travel to client sites, including overnight stays, and may involve after-hours work for cutovers and outages.