Network Engineer L2

Wissen Digital; Bengaluru; Hybrid; INR 600,000 - 1,100,000; Full time

Job summary

Wissen Digital in Bengaluru is seeking a Network Engineer L2 to provide advanced operational support for our enterprise network environment, handling escalations from L1 and performing in-depth troubleshooting.

You will monitor network health, support changes, ensure security standards, and participate in on-call shifts while maintaining thorough network documentation.

Qualifications

• Bachelor’s degree in IT, CS or related field.
• 5-7 years of relevant network support experience.
• Certifications preferred: CCNA / CCNP / JNCIA / NSE.

Responsibilities

• Provide Level 2 support for network incidents and service requests.
• Troubleshoot and resolve issues related to LAN, WAN, WLAN, VPN, and Internet connectivity.
• Handle escalations from L1 and coordinate with L3 / vendors for complex issues.
• Monitor network health using NMS tools (SolarWinds, PRTG, Nagios, etc.).
• Perform root cause analysis (RCA) and implement preventive measures.
• Configure and support routers, switches, firewalls, and load balancers.
• Support network changes, upgrades, and maintenance activities.
• Ensure compliance with security and operational standards.
• Maintain network documentation, diagrams, and SOPs.
• Participate in on-call / shift-based support as required.

Skills

TCP/IP

OSI model

DNS

DHCP

NAT

Education

Bachelor’s degree in IT/ CS/ related field

Tools

Cisco devices

Juniper devices

Aruba devices

Fortinet devices

Job description

Job Title: Network Engineer L2

Role Overview

The Network Engineer L2 provides advanced operational support for enterprise network infrastructure. This role handles escalated incidents from L1, performs in-depth troubleshooting, ensures network stability and performance, and supports implementation of network changes in a 247 environment.

Key Responsibilities

• Provide Level 2 support for network-related incidents and service requests
• Troubleshoot and resolve issues related to LAN, WAN, WLAN, VPN, and Internet connectivity
• Handle escalations from L1 and coordinate with L3 / vendors for complex issues
• Monitor network health using NMS tools (SolarWinds, PRTG, Nagios, etc.)
• Perform root cause analysis (RCA) and implement preventive measures
• Configure and support routers, switches, firewalls, and load balancers
• Support network changes, upgrades, and maintenance activities
• Ensure compliance with security and operational standards
• Maintain network documentation, diagrams, and SOPs
• Participate in on-call / shift-based support as required

Technical Skills Required

• Strong knowledge of TCP/IP, OSI model, DNS, DHCP, NAT
• Hands-on experience with Cisco, Juniper, Aruba, or Fortinet devices
• Good understanding of routing & switching (VLANs, STP, OSPF, BGP basics)
• Experience with firewalls and VPN technologies (IPSec, SSL VPN)
• Basic knowledge of network security concepts
• Experience working in ITIL-based environments

Tools & Technologies

• Network Monitoring Tools (SolarWinds, PRTG, Nagios)
• Ticketing tools (ServiceNow, Remedy, Jira)
• Wireshark / packet analysis tools
• Firewall management platforms

Qualifications

• Bachelor’s degree in IT, Computer Science, or related field
• 5-7years of relevant network support experience
• Certifications preferred: CCNA / CCNP / JNCIA / NSE