Network Security Engineer L3 - Service Operations

Job Summary

As a Network and Firewall L3 Engineer, you will assist in monitoring, maintaining, optimizing, and performing advanced-level troubleshooting on network and firewall infrastructure, ensuring system stability and security. This role is ideal for someone looking to gain hands-on experience in network administration, firewall management, and advanced troubleshooting. The position requires onsite presence at both Data Centre (DC) and Office locations.

Job Details

Job Title: Network Security Engineer L3 Service Operations. Location: Bangalore. Type: Onsite, Rotational Shift (24 7). Job Level: L3. Reporting to: Team Lead.

Responsibilities

• Carry out advance level configurations and troubleshooting on Network switches, Router and Firewall and networking technologies such as EVPN BGP, VXLAN, SSL VPN, IPSEC VPN, BGP.
• Extend technical support to L1, L2 and clients over the email, tickets, phone and other communications channel
• 24 7 Availability
• Provide response & resolutions to Incidents, Requests, Changes, Problems as per SLA & in case required escalate as per escalation matrix
• Handle escalations, Severity Incidents, Critical Projects
• Work on SIP s, Assignments
• Adhere to process & procedures
• Manage & Maintain availability & uptime of infrastructure
• Prepare Handover checklist, POA, shift reports, KEDB, SOPs, Documentation
• Collaborate with other team members and other teams to provide resolutions
• Ensure all task, work done are captured in ticketing systems and are updated accordingly
• Ensure earlier resolutions to the issue to meet SLA. Experience handling escalations and providing L3-level support/RCA (Root Cause Analysis) for critical incidents.

Primary Skills (Must Have)

• Firewall configuration and troubleshooting (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower, Check Point)
• In-depth knowledge of routing and switching concepts (OSPF, BGP, EIGRP, VLANs, STP)
• Strong hands-on experience with BGP (eBGP/iBGP, route reflectors, route policies, path attributes) in Data Centre environments
• Working knowledge of VXLAN overlay networking (VTEPs, VNI mapping, underlay/overlay design) and EVPN as its control plane, including MAC/IP route advertisement and multi-tenancy
• Understanding of Spine-Leaf Data Centre fabric architectures built on BGP EVPN VXLAN
• Sound knowledge of network monitoring tools (SolarWinds, PRTG, Nagios, or similar)

Preferred Skills

• Familiarity with SIEM tools (Splunk, QRadar, ArcSight, or similar) for log monitoring and correlation
• Familiarity with cloud networking concepts (AWS/Azure VPC, VNet, cloud firewalls, hybrid connectivity)
• Awareness of compliance and audit standards (ISO 27001, PCI-DSS) as applicable to network/security infrastructure

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.