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4+ years securing enterprise infrastructures — FortiGate, Sophos, Cisco, BGP/OSPF, VPN, ISMS. Currently Sr. IT Engineer at Kolpolok Limited.
A short introduction to my background, expertise, and the kind of work I love doing.
In this short video I walk through my background in enterprise network security, the tools I use daily, and how I approach complex infrastructure challenges — from FortiGate firewall migrations to ISP-level BGP routing.
With over 4 years in network and security, I specialize in designing and securing complex infrastructures. My expertise includes network design, VPN implementation, and managing devices like Fortinet FortiGate, Sophos UTM, and Cisco firewalls. I excel in LAN/WAN design, data center networking, and system administration across Windows Server, Linux, and Unix platforms. Having resolved over 1,200 technical cases, I'm committed to enhancing security and efficiency.
From network administration to enterprise security engineering — a 4-year progression through Bangladesh's leading technology firms.
Industry-recognized credentials in firewall engineering, network security, and system administration.
Real-world firewall deployments, ISP network configs, VPN setups, and homelab security builds.
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Firewall configs, network writeups, lab builds, and field notes from enterprise security work.
Welcome to WordPress. This is your first post. Edit or delete it, then start writing!
Available for security consulting, network architecture projects, and full-time opportunities.
Whether you need a firewall migration, network security audit, or want to discuss a new role — I'm ready to talk.
