Jesuraj Pandian K

Over 15+ years of experience with specialization in enterprise network & security engineering Enterprise LAN/WAN/WLAN design & implementation for medium and large office network which includes traditional Cisco Network gears (9200, 9300 & 9500 switches, ISR1100, C8300 & C8500 SDWAN routers, C9800 & Meraki wireless devices) Design and build of 3rd Party VPN solutions which includes point to point IPSec connection & DMVPN solutions on Cisco ASR routers with multi VRF, implement security and NAT rules on multi-context ASA firewalls. Design and implementation of LAB isolations as per the business requirements with Palo Alto firewalls (PA440, PA460, PA1410 & PA3410). Segmentation of the LAB networks based on client types with PA firewalls in multi-VSYS mode and enable next gen firewall features (Vulnerability and thread profiles) Design and implementation of OT (Industrial network) solution for manufacturing sites as per the Purdue model. Deploy checkpoint firewalls in an IoT environments and segment OT endpoints-based types and position them in respective levels (0,1,2&3) Replacement of end-of-life firewalls from ASA to Palo Alto which involves analyzing the Splunk logs and convert the configuration from ASA to Palo using expedition tool. Tech refresh of end-of-life multi-context ASA firewall with Cisco firepower appliances (4100) on DC environments Migration of legacy WAN (MPLS/DMVPN) solutions to SDWAN solutions and provide troubleshooting support after migration Network migration from On Prem to Azure cloud environments which involves VNETs, Cloud NextGen firewalls (CNGF), Virtual network Gateways (VNG) creation and troubleshooting Experienced in creating the technical and process documents Experienced in creating the HLD and LLD diagram for the network topologies Having very good experience in troubleshooting complex network and security issues and providing escalation support for the team members Working closely with automation team to create scripting and BOM generator to reduce the repeated task timeframe. Experienced in network management tools (Spectrum, NetBrian, NetMRI) and ticketing tools like Service now.