Mazidur

Lead Network and security Engineer

Thakral Information Sytem Pvt. Ltd. • Fulltime

Mar 2021 - Present • 5 yrs 2 mos

Designed and deployed enterprise firewall solutions using Palo Alto, Check Point, and Cisco FTD (ASA/FMC) in DC & DR environments Implemented High Availability (HA) firewalls, perimeter, core, east-west, internet, extranet, and campus firewalls Led firewall migration projects with minimal downtime Configured and troubleshot Site-to-Site & Remote Access VPNs Delivered network security hardening, rule optimization, and policy review Implemented Cisco SD-WAN, Cisco DNAC, and Cisco ISE solutions Designed and supported routing & switching for enterprise and branch networks Worked on multi-vendor environments and integrated security solutions Used AlgoSec Analyzer for firewall policy analysis and compliance Provided remote troubleshooting and on-site support to ensure stable operations Major Project Experience Includes: Bangladesh Bank router, switch, Palo Alto firewall & WildFire projects UCB Bank Check Point, Palo Alto, Cisco FTD & AlgoSec projects Bkash Check Point, Palo Alto & Cisco ISE deployment Prime Bank & CDBL firewall security projects Large-scale DC-DR network and firewall implementations I focus on problem-solving, security, performance, and uptime, delivering reliable and scalable solutions that meet business and security requirements.