Senior Network Engineer – L3 (Data Center / Core Infrastructure)

• Provide L3-level support for the data center network, covering routing, switching, security, and automation.
• Troubleshoot and resolve complex issues at packet level using tools like Wireshark, CloudVision, or Zabbix.
• In depth knowledge on BGP is must.
• Design, configure, and optimize Arista-based VXLAN/EVPN fabrics and multi-vendor Layer 2/3 architectures.
• Manage and maintain Palo Alto and FortiGate firewalls, including NAT, VPNs, and security policies.
• Oversee configuration, monitoring, and performance tuning via Zabbix, LibreNMS, and Arista CloudVision.
• Implement redundancy and high availability using MLAG, HSRP/VRRP, and ECMP.
• Collaborate with L1/L2 teams for incident escalation, RCA, and knowledge transfer.
• Develop and enforce network security standards and compliance policies.
• Document configurations, SOPs, and troubleshooting workflows for operational excellence.
• Participate in capacity planning, change management (ITIL), and network audits.
• Coordinate with vendors for RMA, upgrades, and feature enhancement discussions.
• Stay current with emerging technologies like SDN, network automation, and hybrid cloud networking.

Required Skills & Qualifications

• Strong hands-on expertise in Layer 2 / Layer 3 networking, including VLANs, STP, OSPF, BGP, VRF, VXLAN, and EVPN.
• Proficiency in Arista EOS (MLAG, VXLAN/EVPN, CloudVision) — Arista preferred.
• In-depth experience with Palo Alto and FortiGate firewalls — policy creation, VPN configuration, and routing integration.
• Proficiency in network monitoring and troubleshooting tools, including:
• Zabbix (alerting, custom triggers, API integration, REST API-based monitoring)

LibreNMS / SolarWinds / Wireshark / NetFlow analyzers

• Expertise in packet-level troubleshooting using Wireshark or CloudVision, with strong understanding of the TCP/IP stack.
• Experience managing large-scale, redundant, and segmented data center networks with security segmentation and micro-segmentation.
• Familiarity with SDN / ACI / NSX or multi-vendor fabric orchestration platforms.
• Awareness of cloud networking concepts such as AWS VPC, Azure VNet, and hybrid network integrations.
• Strong background in automation and orchestration, using Ansible, Python scripting, Git, and CI/CD pipelines for configuration, reporting, and infrastructure management.
• Experience with change, incident, and problem management under the ITIL framework.
• Strong analytical, documentation, and cross-functional communication skills.

Job Type: Full-time

Pay: From ₹1,000,000.00 per year

Work Location: In person