Cisco Network Engineer | Security, VPN & WAN

Quantum Technologies. LLC; Irving (TX); On-site; USD 70,000 - 110,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced Network Engineer to design, implement, and maintain our enterprise network infrastructure. The role focuses on Cisco routers and switches, routing protocols, and robust security across LAN, WAN, WLAN, and VPN environments.

The engineer will configure, monitor, and troubleshoot networking equipment, support upgrades and migrations, and collaborate with security and application teams to ensure resilient connectivity and well-documented networks.

Qualifications

• Experience designing and implementing enterprise network infrastructure.
• Hands-on experience with Cisco routers and switches in production environments.
• Strong knowledge of routing protocols (BGP, OSPF, EIGRP) and network security.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure.
• Install, configure, and troubleshoot routers, switches, and firewalls.
• Manage LAN, WAN, WLAN, and VPN connectivity.

Skills

TCP/IP

DNS

DHCP

VLANs

Subnetting

Cisco routers

Cisco switches

BGP

OSPF

EIGRP

LAN/WAN/WLAN

VPN

Firewalls

Tools

Cisco IOS

Network monitoring tools

Firewall management

Job description

Quantum Technologies. LLC is seeking an experienced Network Engineer to design, implement, and maintain our enterprise network infrastructure. The role focuses on Cisco routers and switches, routing protocols, and robust security across LAN, WAN, WLAN, and VPN environments.

The engineer will configure, monitor, and troubleshoot networking equipment, support upgrades and migrations, and collaborate with security and application teams to ensure resilient connectivity and well-documented networks.