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 handson expertise in Cisco and Juniper technologies. The role supports businesscritical 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 (Controllerbased 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
Handson experience with Cisco IOS/NXOS 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

38 years of experience in enterprise or serviceprovider networking
Bachelors 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 oncall or shiftbased operations (if required)