Sep 2018 – May 2021 · 2 yrs 8 mos · Bengaluru Area, India

• o Working on an open source community project FRR, in NSBU-R&D team. FRR is a routing stack used in our various products. Please follow this link for more info: https://frrouting.org/
• o End-to-end ownership for delivering networking protocols/features with utmost quality in open source community (FRR). Below features were led and delivered yet:
• BGP-Graceful Restart,
• Multi-VRF
• BGP Large community
• EVPN (Type-5)
• EVPN (Route-server)
• EVPN (L2-ECMP)
• o Testing complex & large-scale networks to assure the robustness and performance of FRR routing stack.
• o Co-coordinating with NSX-T engineering teams to understand the requirements and designing the protocols to match those.
• o Responsible for monitoring our daily CAT runs and help individuals to triage the issues technically.
• o Helping my team in Test Case Automation to achieve deadlines and keeping myself updated about automation framework changes.
• o Understanding the requirements from FRR open source community, and leading team to draft/automate test cases specific to requirements.

Oct 2015 – Sep 2018 · 2 yrs 11 mos · Gurgaon, India

• Responsible for handling Design/Implementation/troubleshooting for complex issues in Client Infra.
• Coordinating with different ISPs (ATT, VzB, BT etc.) to route the traffic between Branch sites and Datacenters over different types of circuits (MPLS, P2P, S2S VPN tunnels etc.)
• Designed and implementation of routing(BGP, OSPF, EIGRP) and L2/L3 VPNs between Datacenters and Branch routers for various sites across the globe.
• Worked on various internal projects like Hardware upgrade/New installations/traffic optimization (QoS).
• Review and implementation of major changes in Datacenters related to VxLAN, EVPN, vPC, vDC, Security Rules, VSS, STP, DHCP, Stacking etc.
• Handling all the escalation for Tier-2 teams related to Routing/Switching/Data Center operations technologies.

Feb 2014 – Oct 2015 · 1 yr 8 mos · Gurgaon, India

• Working as TAC Engineer in Cisco LAN Switching Team.
• On call support for troubleshooting on 2960, 3750X, 3650X, 4500, 6500 series catalyst switches.
• Configuration assistance on VSS, Sup Redundancy, VACL, ISSU, for high end Cisco switches(4500, 6500 series) and performing hardware level troubleshooting on all these platforms.
• Understanding MAC header, IP header structure and use of each fields & DHCP operation in layer 2 and layer 3 scenarios (server & client in same VLAN or different VLAN), DHCP Snooping, Unicast flooding.
• Thorough understanding of Broadcast domain, Collision Domain, Unicast, Multicast and Broadcast traffic and Subnetting, VLAN, VTP, 802.1q, STP, Linkagg, stacking.

Sep 2011 – Feb 2014 · 2 yrs 5 mos · Pune Area, India

• Worked as Configuration specialist in British telecommunication Service Delivery team.
• Duties include provisioning of MPLS VPN links for BT customers all over the world.
• Provisioning the Base and Final Configurations of the clients of BT for ATM(PPPOE), Ethernet, Leased Line circuits.
• Configuration, Installation and Trouble Shooting on CPE Routers (800-7200 Series CISCO Routers) with the Access provided through TACACS.
• Providing router installation support for field engineers. Troubleshooting of Ethernet, T1, E1 links. Putting SLA on CE routers to confirm WAN link consistency.
• Configuration of LAN, HSRP, BGP, OSPF, EIGRP etc as per customer requirement in the customer routers post installation.
• Supporting migration calls with customers post installation this includes failover testing, application testing.
• Supporting network change activities at customer site
• Working with the Configuration Tools Specific to Service provider.