Network Engineer

Larsen & Toubro

India · Full-time · Not Applicable

Job Summary

We are seeking a skilled and motivated Network Engineer with 3–5 years of hands-on experience in designing, implementing, monitoring, and maintaining enterprise network infrastructures. The ideal candidate will ensure high availability, performance, and security of network systems while supporting business and operational needs.

Key Responsibilities

Design, implement, and maintain LAN, WAN, WLAN, and data center networks
Configure and manage routers, switches, firewalls, and load balancers
Monitor network performance, troubleshoot issues, and perform root cause analysis
Ensure network security through proper configuration, patching, and access control
Manage network documentation, diagrams, and standard operating procedures
Perform network upgrades, migrations, and capacity planning
Work closely with system administrators, security teams, and vendors
Support cloud and hybrid network environments (AWS/Azure/GCP – if applicable)
Ensure compliance with organizational policies and industry best practices
Provide Level 2/Level 3 network support and on-call support when required

Required Skills & Qualifications

Bachelor’s degree in computer science, IT.
3–5 years of experience in network engineering or network administration
Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, BGP, OSPF, EIGRP)
Hands-on experience with Cisco, Juniper, Aruba, or similar networking devices
Experience with firewalls (Palo Alto, Fortinet, Check Point, Cisco ASA)
Understanding of VLANs, VPNs, NAT, QoS, and STP
Familiarity with network monitoring tools (SolarWinds, Nagios, PRTG, etc.)
Basic knowledge of network security principles and best practices
Experience with Linux/Windows networking is a plus

Preferred Skills

Networking certifications such as CCNA, CCNP, JNCIA, or equivalent
Experience with SD-WAN and wireless networking

Key Skills

Ranked by relevance

network security firewalls wan high availability palo alto switches wireless fortinet routers nagios aruba cloud ccna ccnp ospf dhcp vpns wlan lan bgp dns nat

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