Senior Network Engineer – Cisco, Palo Alto & Wi‑Fi

Valiant Technologies LLC; Weehawken (NJ); On-site; USD 95,000 - 130,000; Full time

Job summary

Valiant Technologies LLC is seeking an experienced Network Engineer to support enterprise network operations, troubleshooting, maintenance, and implementation. The ideal candidate has hands-on Cisco networking, Palo Alto firewall expertise, and experience with enterprise Wi‑Fi and A/V technologies.

Responsibilities include troubleshooting LAN/WAN, configuring VLANs and VPNs, managing security policies, and ensuring voice/video/conferencing performance.

Qualifications

• 8–10 years of enterprise network engineering/support experience.
• Strong Cisco networking (routers and switches).
• Hands-on Palo Alto firewall experience.
• Strong knowledge of LAN/WAN, TCP/IP, VLANs, routing, VPN, NAT, and QoS.
• Network troubleshooting tools such as Wireshark, SNMP, and packet capture.
• A/V and conference room troubleshooting experience.

Responsibilities

• Support and troubleshoot enterprise LAN/WAN, wireless networks, Cisco routers, and switches.
• Configure and maintain VLANs, routing, STP, trunks, TCP/IP, DHCP, DNS, NAT, and VPN.
• Manage and troubleshoot Palo Alto firewalls, security policies, and VPN connectivity.
• Troubleshoot enterprise Wi‑Fi, access points, connectivity, and performance issues.
• Support A/V systems, conference room equipment, and video conferencing technologies.
• Troubleshoot network issues impacting voice, video, and collaboration services.
• Perform network monitoring, upgrades, maintenance, and root‑cause analysis.
• Maintain network documentation and follow ITIL incident, problem, and change management processes.

Skills

Cisco networking

Palo Alto firewall

LAN/WAN

TCP/IP

VLANs

VPN

NAT

QoS

Wireshark

SNMP

A/V troubleshooting

Education

CCNA or equivalent certification

Tools

SolarWinds

PRTG

Cisco Catalyst Center

Job description

Valiant Technologies LLC is seeking an experienced Network Engineer to support enterprise network operations, troubleshooting, maintenance, and implementation. The ideal candidate has hands-on Cisco networking, Palo Alto firewall expertise, and experience with enterprise Wi‑Fi and A/V technologies.

Responsibilities include troubleshooting LAN/WAN, configuring VLANs and VPNs, managing security policies, and ensuring voice/video/conferencing performance.