Network Engineer

NS3 Tech Solutions; Gurgaon; On-site; INR 400,000 - 600,000; Full time

Job summary

NS3 Tech Solutions in Gurgaon, India, requires a skilled Network Engineer to maintain, troubleshoot and optimize its network infrastructure. Key responsibilities include providing second-level support for network incidents, monitoring network performance with tools, and configuring network devices. Strong knowledge of TCP/IP, DNS, DHCP, as well as experience with Cisco and Juniper systems is essential. The role offers opportunities for professional growth in a dynamic IT environment.

Qualifications

• Strong knowledge of TCP/IP, DNS, DHCP, LAN/WAN, and VPN.
• Experience with Cisco or Juniper routers/switches.
• Familiarity with firewall platforms such as Cisco ASA, Palo Alto, and Fortinet.

Responsibilities

• Provide second-level support for network incidents.
• Monitor network performance using tools like SolarWinds and PRTG.
• Troubleshoot issues with networking hardware.
• Configure and maintain network devices.
• Implement network changes and patches.
• Manage VPNs, VLANs, and firewall rules.
• Document network configurations and changes.

Skills

TCP/IP

DNS

DHCP

LAN/WAN

VPN

Cisco routers/switches

Juniper routers/switches

Firewall platforms

Wireless technologies

VoIP systems

Network monitoring systems

Ticketing systems

Tools

SolarWinds

PRTG

Nagios

Cisco ASA

Palo Alto

Fortinet

Job description

Troubleshooting routers, switches, firewalls, wireless access points, networking hardware

Description

Company Description

Welcome toCESTech, where innovation meets reliability, andtechnology becomes a catalyst for success. Our journey began in 2015, fuelled by a passion for revolutionizing IT infrastructure support. As a team of dedicated professionals, we embarked on a mission to empower businesses through robust and cutting-edge IT solutions.

We are seeking a skilled and proactive NetworkEngineer to join our IT team. As a Network Engineer, you will be responsible for maintaining, troubleshooting, and optimizing our network infrastructure. This role serves as an escalation point for Level 1 support and works closely with senior engineers to ensure high availability, performance, and security of the network.

Key Responsibilities:

• Provide second-level support for network incidents, service requests, and escalations from L1 support teams.
• Monitor network performance using tools like SolarWinds, PRTG, or Nagios.
• Troubleshoot issues with routers, switches, firewalls, wireless access points, and other networking hardware.
• Configure and maintain network devices (Cisco, Juniper, HP, etc.).
• Implement network changes, patches, and upgrades following change management procedures.
• Assist in managing VPNs, VLANs, routing protocols (EIGRP, OSPF, BGP), and firewall rules.
• Perform routine audits of systems and software.
• Work with vendors and service providers to resolve hardware/software issues.
• Document network configurations, changes, and procedures.
• Participate in on-call rotation and after-hours support as needed.

Technical Skills:

• Strong knowledge of TCP/IP, DNS, DHCP, LAN/WAN, VPN.
• Experience with Cisco or Juniper routers/switches.
• Familiarity with firewall platforms (e.g., Cisco ASA, Palo Alto, Fortinet).
• Basic understanding of wireless technologies and VoIP systems.
• Experience with network monitoring and ticketing systems.