Senior Network Engineer: Cisco & Security Expert

Insight Global (United States); San Jose (CA); On-site; USD 120,000 - 170,000; Full time

Job summary

Insight Global in the United States is seeking a Senior Network Engineer to design, implement, and sustain enterprise network infrastructure. You will work with Cisco Catalyst/Nexus, Meraki wireless, ASA/Firepower, and ISE to enforce security and reliability across LAN, WAN, and wireless domains.

The role requires hands-on expertise with routing protocols, security best practices, and network design, plus mentoring of junior engineers.

Qualifications

• 5+ years of hands-on Cisco networking experience.
• Expert-level knowledge of Catalyst switch configuration and management.
• Extensive experience with routing protocols: OSPF, BGP, EIGRP; WAN design.
• Hands-on with Cisco ASA/Firepower and Meraki wireless infrastructure.

Responsibilities

• Design, configure, and maintain Cisco switch infrastructures.
• Implement and troubleshoot routing protocols (OSPF/BGP/EIGRP) and static routes.
• Deploy Meraki wireless solutions and manage access points/controllers.
• Configure Cisco ASA firewalls and Firepower appliances.
• Implement network security policies using Cisco ISE.
• Monitor performance and optimize traffic across LAN/WAN/WLAN.
• Maintain network documentation, diagrams, and SOPs; mentor junior engineers.

Skills

Cisco IOS/IOS-XE/NX-OS

Routing protocols (OSPF/BGP/EIGRP)

Meraki wireless solutions

Cisco ASA / Firepower

Network security best practices

LAN/WAN design

VLANs/STP/HSRP/VRRP/QoS

DNS/DHCP/IP fundamentals

Python/Ansible (automation)

Network monitoring (SolarWinds/PRTG)

Education

Bachelor's degree in Network Engineering or Computer Science

CCNP Enterprise or CCNP Security or higher

Tools

SolarWinds

PRTG

Job description

Insight Global in the United States is seeking a Senior Network Engineer to design, implement, and sustain enterprise network infrastructure. You will work with Cisco Catalyst/Nexus, Meraki wireless, ASA/Firepower, and ISE to enforce security and reliability across LAN, WAN, and wireless domains.

The role requires hands-on expertise with routing protocols, security best practices, and network design, plus mentoring of junior engineers.