Anik

Private Commercial Bank

Community Bank Bangladesh Limited • Tiempo completo

Sep 2019 - Present • 7 yrs 2 mos

➢ Own end-to-end data center and resilience operations — network, systems, security, and facilities — ensuring high availability and business continuity for a multi-site banking infrastructure. ➢ Configure, administer, and monitor perimeter and branch firewalls — Cisco ASA 5508, Palo Alto PA-1410, and Cisco Firepower FPR2110-NGFW-K9 — including routing, security policy, NAT, and threat prevention. ➢ Deploy and maintain enterprise routers — Cisco 891, Cisco ISR 4321, and Cisco ISR4351-SEC/K9 — for branch, head-office, and WAN connectivity. ➢ Design, implement, and troubleshoot a multi-site enterprise WAN, including site-to-site VPN, dynamic routing, and network redundancy. ➢ Drive DC–DR redundancy planning and execution, ensuring seamless failover and smooth business continuity across data center and disaster recovery sites. ➢ Maintain and oversee data center facility operations, including power, cooling, capacity planning, and hardware lifecycle management for network, server, and storage assets. ➢ Manage and administer Exchange (Email) systems and Active Directory, including user management, group policies, and domain services. ➢ Administer Windows and Linux servers and Windows/VMware virtualization environments, ensuring stability, patching, provisioning, and system optimization. ➢ Perform hardware server maintenance, diagnostics, and upgrades for Dell PowerEdge servers, ensuring optimal physical infrastructure performance and uptime. ➢ Document and manage network & hardware infrastructure, including tender, purchase committee approval, billing, and asset tracking. ➢ Enforce and maintain ISO 27001:2022 controls across the environment: access control & user privilege management, physical/environmental safeguards, patch management & system hardening, network segmentation & firewall policies, and secure change management.