Md.Minhajul Islam

Experience

• 

  Sirius Broadband(BD)Ltd.

  Aug 2003 - Oct 2007

  System Support Engineer

  4 years working experience as a System Support Engineer in Sirius Broadband (BD) Ltd. working in wireless & Fiber Optic Network technology. From Aug 2003 to Oct2007.

• 

  Al-Arafah Islami Bank Limited

  Oct 2007 - Jan 2024

  •Directing a team of 12 members; spearheading end-to-end activities pertaining to Security Operation Center (SOC) •Privileged Access Management (PAM), Web Application Firewall (WAF), Network Security & Administration •Working on various CISCO and Juniper devices such as Cisco ACI, Router, Switch, ASA, LMS and CSM for online banking purposes in data center to branch level disaster recovery side•Developing Information security system policies, procedures, and baselines based on systems and applications and reviewed•Steering efforts in conducting complete security assessments and analysis on newly built and existing systems •Ensuring Information security policies are adhered to, required controls are implemented, facilitated continuous monitoring system• Assessing review of general and privileged accounts as per IT Security policy schedule•Investigating events forwarded from SOC and preventing malicious activity in coordination with IT team•Performing Risk assessment, creating risk register and reviewing as per policy schedule•Collaborating with all departments to conduct analysis, investigation & diagnosis of root cause of problems; ensuring customer/ end-user satisfaction on a regular basis•Interfacing with customers and delivering exceptional service in every interaction over email or phone Show less • Work on different CISCO & Juniper devices like Cisco ACI, router, switches, ASA, LMS & CSM for online banking services aimed at maintaining seamless operations.• Render expertise in security, network security, firewall, DMZ design, IPsec, VPN, network monitoring, network gateways, network design/topologies, and networking protocols.• Manage security-related aspects from the SOC, set up and maintain communication links in the branch & Head office data center both fiber optic, radio link, V-set link, and status.• Coordinate activities related to implementing the core Data Center environments. Observe the CISCO & Sophos firewall security (ASA, FTD, or FMC) manner.• Focus on building and maintaining the Cisco & Sophos firewalls; managing firewall and load balancer changes. Implement and troubleshoot network configuration.• Involved in management and tuning the Intrusion Prevention Systems (IPS) using the knowledge of network vulnerability scanning & change audit tools, and appropriate response to alerts/threats.• Enhance operational efficiency and service quality by automating tasks using scripts and programs. Assess designs and risks from app dev and other teams in the subject area.• Write formal security reviews in the subject area. Provide engineering escalations to services and operations teams aimed at maintaining seamless operations.• Render network design services based on the requirements of the bank in compliance with the organizational policies and procedures.• Collaborate with the internal and external stakeholders in recommending network configurations, and evaluating company and third-party vendor requirements. Show less CAREER HIGHLIGHTSCORE STRENGTHo Software Architectureo Software Developmento Application Test Managemento Application Debuggingo Risk Mitigation / Managemento IT Security Managemento IT Audit Managemento Project Managemento SLA Complianceo System Managemento Client Interaction o Team CoordinationTECHNICAL SKILLSo LAN/WAN: TCP/IP, OSPF, EIGRP, BGP, IP Routing, Frame Relay, Multi-Layer Switching, ACL’s, NAT, and any WAN Equipmento NMS/Analysis: Ipswich what’s up Goldo Routing: Juniper SRS 2400. Cisco 2800 / 2900 / 3800 / ASR1002-X router, Protocols include OSPF, BGP, EIGRP, MPLS VPNs, 802.1q, ISL, Ether Channel, Multicast, VMware SNMP, HSRPIPSec, DHCP, Frame Relay Traffic Shaping, Voice over Frame, Voice over IP, Multiplex Voice WAN modules, Video / Voice QoS (CBWFQ, LLQ). o Switching: Cisco Catalyst 2900/4500/NEXUS 5K, NEXUS 3K & NEXUS 2K series switches, Gigabit Ethernet, 802.1q, ISL, Ether Channelo Security: Cisco ASA 5520, ASA 5585, CYBEROAM 500 ing Firewall IOS Sophos 550SG, IPSec VPN (Cisco Secure Client, Cisco VPN 3000 Client, Microsoft Client, Router-Router, Router-ASA, ASA-ASA, Redundant tunnels), VPN Concentrator, Cisco Secure Scanner systemo Working in router, switch & Firewall using Console mode, hyper terminal, telnet, Secure Shell (ssh) etc. Show less

  • Manager Network and Security Engineer

    Jan 2017 - Jan 2024

  • Network Security Engineer

    Jan 2013 - Dec 2016

  • Network Administrator

    Oct 2007 - Dec 2012