Senior Network Support Engineer

Computacenter; Bengaluru; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Computacenter Bengaluru is seeking a Senior L2 Network Support Engineer to manage and support enterprise network, security appliances, and cloud connectivity. You will troubleshoot LAN/WAN, SD-WAN, VPN, firewall platforms, and virtualization networks across global environments.

You will collaborate with Security, Cloud, and Service Desk teams, perform firewall rule reviews, change management activities, and maintain accurate network documentation and topologies.

Qualifications

• 5 to 6 years of relevant experience in Network Infrastructure Administration and Support.
• Experience supporting global environments, preferably US business hours and on-call support.
• Expertise in Cisco Routing & Switching, MPLS, DIA, VPN, OSPF, BGP, and related protocols.
• SD-WAN (Cisco Meraki, Fortinet, Versa or equivalent).
• Experience with virtualization and cloud networking (Azure).

Responsibilities

• Provide L2 support for enterprise network and security infrastructure.
• Monitor, troubleshoot, and resolve incidents related to LAN, WAN, WLAN, VPN, and Internet connectivity.
• Manage and administer Azure networking components including VNet, NSG, Load Balancers, Route Tables, ExpressRoute and VPN Gateway.
• Configure and support Palo Alto, Sophos, Cisco ASA/Firepower, and other enterprise firewall platforms.
• Support SD-WAN environments and troubleshoot branch connectivity issues.
• Maintain network documentation, topology diagrams, SOPs, and asset inventory.

Skills

L2 Network Support

Troubleshooting

LAN/WAN

Firewall

Azure Networking

VMware

Hyper-V

SD-WAN

VPN

Monitoring tools

Tools

Palo Alto

Sophos

Cisco ASA/Firepower

VMware ESXi

Hyper-V

Azure Virtual Networks

ExpressRoute

Job description

Senior Technical Analyst Life on the Team We are seeking an experienced L2 Network Support Engineer responsible for managing enterprise network infrastructure, security appliances, cloud connectivity, and virtualization environments. The candidate should possess strong troubleshooting capabilities across LAN, WAN, SD-WAN, firewall, and cloud networking technologies while ensuring high availability and operational excellence.

What You Will Do

• Provide L2 support for enterprise network and security infrastructure.
• Monitor, troubleshoot, and resolve incidents related to LAN, WAN, WLAN, VPN, and Internet connectivity.
• Manage and administer Azure networking components including Virtual Networks (VNet), NSG, Load Balancers, Route Tables, ExpressRoute and VPN Gateway.
• Configure and support Palo Alto, Sophos, Cisco ASA/Firepower, and other enterprise firewall platforms.
• Support SD-WAN environments and troubleshoot branch connectivity issues.
• Manage MPLS, DIA, leased lines, Internet circuits, and ISP coordination.
• Perform firewall rule reviews, NAT configuration, VPN setup, and security policy implementation.
• Support Cisco switching and routing infrastructure including VLANs, STP, HSRP, OSPF, BGP, and ACLs.
• Manage virtualized environments including VMware and Hyper-V networking components.
• Collaborate with Security, Cloud, Infrastructure and Service Desk teams during major incidents and changes.
• Execute network changes, upgrades, patching and maintenance activities following change management processes.
• Maintain network documentation, topology diagrams, SOPs, and asset inventory.

What You Will Need

• 5 to 6 years of relevant experience in Network Infrastructure Administration and Support.
• Experience supporting global environments, preferably US business hours and on-call support.
• Networking Cisco Routing & Switching
• MPLS, DIA, Broadband, IPSEC VPN OSPF, BGP, EIGRP, TCP/IP, DNS, DHCP
• SD-WAN (Cisco Meraki, Fortinet, Versa or equivalent)
• LAN/WAN/WLAN Technologies
• Security Palo Alto Firewalls
• Sophos Firewalls
• Cisco ASA / Firepower
• Site-to-Site & Remote Access VPN
• Firewall Policy Management
• IDS/IPS Concepts
• Network Segmentation & Security Best Practices
• Cloud & Virtualization
• Microsoft Azure Networking
• Azure VPN Gateway
• ExpressRoute
• VMware ESXi / vCenter
• Hyper-V
• Virtual Network
• Security Monitoring & Tools
• SolarWinds
• PRTG
• Nagios
• ManageEngine OpManager
• Wireshark
• ServiceNow
• Experience Level Senior Level