Network Administrator - Enterprise LAN/WAN & Security

Williams International; Florida; On-site; USD 52,000 - 76,000; Full time

Job summary

Williams International is seeking an Associate Network Administrator to support LAN/WAN, wireless, firewall, VPN, and Internet infrastructure. You will assist with monitoring, troubleshooting, configurations, upgrades, and routine maintenance using Aruba networking and Palo Alto firewalls.

You will work with network monitoring tools (SolarWinds, PRTG) and help maintain security standards while collaborating with senior network staff on more complex tasks.

Qualifications

• 1-3 years of experience in enterprise network infrastructure.
• Degrees or equivalent training considered.
• Familiarity with enterprise switches, wireless, firewalls.
• Experience with Aruba and Palo Alto networks preferred.
• Basic understanding of routing (OSPF/BGP) and network monitoring.

Responsibilities

• Install, configure, administer, and maintain network infrastructure (switches, wireless APs, firewalls, routers).
• Monitor LAN/WAN/wireless connectivity and respond to issues.
• Troubleshoot TCP/IP, DNS, DHCP, VLANs, routing, VPNs, and wireless problems.
• Assist with Aruba switching/wireless configurations.
• Support Palo Alto firewalls: policies, NAT, VPN, traffic analysis.
• Perform routine upgrades, patching, and maintenance per change control.
• Contribute to security hardening and incident response.
• Monitor infrastructure with SolarWinds/PRTG and analyze alerts.
• Document configurations and asset information; assist with asset lifecycle.

Skills

Networking fundamentals

TCP/IP

DNS/DHCP

Analytical troubleshooting

Independent work

Education

Associate or bachelor's degree in IT or related field

Tools

Aruba switching

Aruba wireless

Palo Alto firewalls

SolarWinds

PRTG

Job description

Williams International is seeking an Associate Network Administrator to support LAN/WAN, wireless, firewall, VPN, and Internet infrastructure. You will assist with monitoring, troubleshooting, configurations, upgrades, and routine maintenance using Aruba networking and Palo Alto firewalls.

You will work with network monitoring tools (SolarWinds, PRTG) and help maintain security standards while collaborating with senior network staff on more complex tasks.