Network Engineer

Wissen Infotech; Hyderabad, Bengaluru; Hybrid; INR 600,000 - 800,000; Full time

Job summary

Wissen Infotech in Hyderabad/Bangalore is seeking a Network Engineer L2 to provide advanced operational support for enterprise network infrastructure. You will handle escalations from L1 and perform in-depth troubleshooting to maintain network stability and performance.

The role requires hands-on experience with routers, switches, firewalls, VPNs, and NMS tools; you will monitor health, document configurations, and coordinate with vendors for complex issues while following ITIL processes in a

Qualifications

• Provide Level 2 support for network incidents and service requests.
• Troubleshoot LAN, WAN, WLAN, VPN, and Internet connectivity issues.
• Coordinate with L3 teams/vendors for complex issues.
• Monitor network health using NMS tools and perform RCA.

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

Skills

TCP/IP & OSI model

Routing & Switching

VPN technologies

ITIL practices

Education

Bachelor's degree in IT/CS

Tools

Cisco devices

Juniper devices

Aruba devices

Fortinet devices

NMS tools (SolarWinds/PRTG/Nagios)

Job description

Network Engineer

Experience 3-5Yrs

Location: Hyderabad/Bangalore

Work Mode: Hybrid

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

• Bachelors degree in IT, Computer Science, or related field


• 5-7years of relevant network support experience


• Certifications preferred: CCNA / CCNP / JNCIA / NSE