Sr. Network Engineer

Job Code

NETWORK ENGINEER

Department

IT / Network Services

Role Type

Individual Contributor

Level

L2

Location

Gurgaon

Reporting To

Network Manager / Service Delivery Manager

Role Purpose

The Network Engineer will be responsible for design, implementation, operations, and support of enterprise wired and wireless networks, with hands‑on expertise in Cisco and Juniper technologies. The role supports business‑critical network infrastructure ensuring high availability, performance, and security.

Key Responsibilities

Network Operations & Support

Provide L2/L3 support for wired and wireless network environments

Troubleshoot and resolve incidents related to routing, switching, and WLAN

Participate in incident, problem, and change management processes

Perform root cause analysis (RCA) and implement permanent fixes

Implementation & Configuration

Configure and maintain Cisco and Juniper routers, switches, and wireless systems

Implement VLANs, trunking, routing protocols, redundancy, and QoS

Support new site deployments, expansions, and network upgrades

Coordinate with ISPs, OEM vendors, and internal stakeholders

Wired & Wireless Technologies

Manage LAN, WAN, WLAN infrastructure

Configure routing protocols such as OSPF, BGP, EIGRP

Support enterprise wireless (Controller‑based WLANs, RF fundamentals, WLAN security)

Assist with wireless performance tuning and coverage optimization

Documentation & Compliance

Maintain updated network diagrams, SOPs, and configuration documentation

Ensure adherence to security, compliance, and organizational standards

Support audits and internal reviews when required

Required Technical Skills

Core Networking

Strong understanding of TCP/IP, OSI Model, VLANs, STP, DHCP, DNS

Hands‑on experience with Cisco IOS/NX‑OS and Juniper JunOS

Wired Technologies

Cisco Catalyst / Nexus

Juniper EX / QFX switches

Wireless Technologies

Enterprise WLAN solutions (Cisco / Juniper / equivalent)

Knowledge of WLAN security (802.1X, WPA2/WPA3)

Tools (Preferred)

Network monitoring tools (SolarWinds, PRTG, or similar)

Packet analysis tools (Wireshark)

Certifications

Mandatory / Strongly Preferred

Cisco Certified Network Associate (CCNA)

Juniper Networks Certified Internet Associate (JNCIA)

Preferred

CCNP (Enterprise / Wireless)

JNCIS / JNCIP

Experience & Education

3–8 years of experience in enterprise or service‑provider networking

Bachelor’s degree in Engineering / IT / Computer Science (or equivalent experience)

Behavioral Competencies

Strong troubleshooting and analytical mindset

Clear communication and documentation skills

Ability to work independently and in a team environment

Willingness to support on‑call or shift‑based operations (if required)