L2/L3 Network Engineer

Job Overview
We are looking for an experienced L2/L3 Network & Security Engineer to design, deploy, secure, and optimize high-availability enterprise network infrastructure across corporate offices, data centers, cloud environments, and manufacturing plant networks.
Key Responsibilities
Design, implement, and maintain enterprise routing, switching, wireless, LAN, WAN, and SD-WAN infrastructure.
Administer and secure Next-Generation Firewalls (NGFW), IPsec VPNs, remote access VPNs, and NAC solutions.
Implement network segmentation and isolation between IT and OT networks using firewalls, DMZs, and ACLs.
Handle P0/P1 network escalations, complex troubleshooting, packet analysis, and Root Cause Analysis (RCA).
Manage core network services including DNS, DHCP, RADIUS/TACACS+, and load balancers.
Lead network upgrade and modernization projects and coordinate with ISPs, OEMs, and telecom vendors.
Maintain network topology diagrams, DR frameworks, and technical SOPs.
Mentor L1/L2 network engineering teams.
Technical Skills Required
Strong expertise in BGP, OSPF, STP, HSRP/VRRP, VLANs, Link Aggregation, and SVL.
Hands-on experience with Cisco, Fortinet, Aruba, or equivalent networking technologies.
Advanced experience with enterprise firewalls such as FortiGate, Palo Alto, or SonicWall.
Hands-on experience with SD-WAN and cloud connectivity, including AWS/Azure, ExpressRoute, and VPNs.
Experience with enterprise Wi-Fi site planning, heat mapping, and Wireless LAN Controllers (WLC).
Strong troubleshooting and network security skills, including Wireshark/packet analysis.
Qualifications & Preferred Certifications
Education: B.E./B.Tech/BCA/MCA/B.Sc. IT or any graduate.
Preferred Certifications: CCNA, CCNP, or SonicWall certifications.

Work arrangement
No