Senior Network Engineer – Job Description

Job Title: Senior Network Engineer
Experience: 10+ Years

Job Summary

We are seeking a highly experienced Senior Network Engineer with 10+ years of experience designing, implementing, configuring, and troubleshooting enterprise network infrastructure. The ideal candidate should have strong expertise in Cisco networking, routing and switching, firewalls, SD-WAN, VPN, wireless, network security, and cloud networking.

Required Skills

• 10+ years of experience in Network Engineering

• Strong hands-on experience with Cisco routers and switches

• Advanced knowledge of TCP/IP, LAN/WAN, VLAN, STP, VTP, HSRP, VRRP

• Strong expertise in BGP, OSPF, EIGRP, MPLS

• Experience with Cisco IOS / IOS-XE / NX-OS

• Strong experience with Cisco Nexus and enterprise switching

• Experience with SD-WAN technologies

• Strong experience with IPSec and SSL VPN

• Hands-on experience with enterprise firewalls

• Experience with Palo Alto, Cisco ASA/Firepower, or Fortinet

• Strong knowledge of network security, ACLs, NAT, AAA, RADIUS, and TACACS+

• Experience with DNS, DHCP, IPAM, NTP, SNMP

• Experience troubleshooting complex network connectivity and performance issues

• Strong knowledge of network monitoring and management tools

• Experience with Wi-Fi/WLAN infrastructure is preferred

• Experience with network automation using Python, Ansible, or Terraform is a plus

Cloud Networking

• Experience with AWS / Azure networking

• Knowledge of VPC/VNet, subnets, route tables, security groups, VPN, Direct Connect/ExpressRoute

• Experience connecting on-premises networks with cloud environments

Responsibilities

• Design, implement, configure, and maintain enterprise network infrastructure.

• Configure and troubleshoot Cisco routers, switches, Nexus, and other network devices.

• Manage routing protocols including BGP, OSPF, EIGRP, and MPLS.

• Implement and support SD-WAN, VPN, firewalls, and network security solutions.

• Monitor network performance, availability, capacity, and security.

• Troubleshoot complex network outages and performance issues.

• Plan and execute network upgrades, migrations, and infrastructure improvements.

• Implement network security policies, ACLs, NAT, and segmentation.

• Support cloud and hybrid network connectivity.

• Develop network documentation, diagrams, and operational procedures.

• Work with security, systems, cloud, and application teams to resolve infrastructure issues.

• Participate in on-call and production support activities.

• Mentor junior network engineers and provide technical guidance.

Preferred Certifications

• CCNP Enterprise

• CCIE is a strong plus

• Cisco DevNet certification

• Palo Alto PCNSE

• Fortinet NSE/FCP

• AWS/Azure networking certifications

Strong Search Keywords

("Senior Network Engineer" OR "Network Engineer" OR "Network Architect") AND (Cisco OR "Cisco Nexus") AND (BGP OR OSPF OR EIGRP) AND (Routing OR Switching) AND (Firewall OR "Palo Alto" OR Fortinet OR "Cisco ASA") AND (SD-WAN OR "Software Defined WAN") AND (VPN OR IPSec) AND (TCP/IP OR LAN OR WAN)

Must-Have Skills

10+ Years Network Engineering + Cisco + Routing & Switching + BGP/OSPF + Cisco Nexus + Firewalls + SD-WAN + VPN + Network Security + TCP/IP