Md. Al Mamun
Senior IT Infrastructure & Cybersecurity Executive
Location: Dhaka, Bangladesh
Mobile: +88-01917582117 | Alt: +88-01708122391
Executive Profile
Senior IT Infrastructure and Information Security Executive with over a decade of progressive leadership in engineering high-availability enterprise environments, optimizing hybrid cloud architectures, and enforcing rigorous cybersecurity compliance. Recognized expertise as an ISO/IEC 27001:2013 Lead Auditor and CISA practitioner, orchestrating enterprise-wide digital transformations, disaster recovery strategies, and resilient data center networks across multinational and local tier-1 enterprises.
Core Competencies & Strategic Domains
Enterprise Datacenter Architecture
Information Security Governance (ISO 27001 / CISA)
Hybrid Cloud Infrastructure (Azure / M365)
Virtualization & Clustering (VMware / Hyper-V)
Advanced Routing, Switching & IPsec VPN
Red Hat Linux & Enterprise Microsoft Stack
Disaster Recovery & Business Continuity
IT Service Management & ITIL V3
Professional Leadership Experience
Manager, IT Department
June 2023 – Present
Edison Industries Ltd (Rangs Babylonia, Tejgaon I/A, Dhaka)
- Direct strategic infrastructure maintenance across core enterprise systems including Active Directory, Exchange Mail servers, File storage, and SCCM deployment pipelines.
- Architect robust RAID configurations and fail-safe backup matrices to guarantee absolute hardware redundancy and zero data loss tolerance.
- Lead the end-to-end design, configuration, and governance of enterprise datacenter networks, hardware virtualization, and core switching nodes.
- Supervise complex LAN/WAN administration and provide high-level escalation support for mission-critical network and mail operations.
Manager (Microsoft Solutions)
September 2019 – May 2023
Metronet Bangladesh Ltd (PBL Tower, Gulshan C/A, Dhaka)
- Spearheaded the technical roadmap, design, and deployment of enterprise-grade datacenter infrastructure and Virtual Private Clouds utilizing VMware and Hyper-V.
- Engineered core enterprise services including Active Directory, Exchange, IIS Web clusters, File servers, and WSUS patch management.
- Deployed and optimized proactive system/network monitoring frameworks to maximize operational uptime and telemetry visibility.
- Established comprehensive IT architectural documentation, governance policies, and stability benchmarks.
Assistant Manager, IT Operations
April 2016 – August 31, 2019
Zuellig Pharma Bangladesh Ltd (Tejgaon, Dhaka)
- Managed enterprise IT operations portfolios, steering operational KPIs to align with corporate executive goals.
- Formulated and executed exhaustive disaster recovery frameworks for all core enterprise systems and storage fabrics.
- Directed network availability policies, TCP/IP engineering, HTTP routing, and MAN/WAN network infrastructure.
- Oversaw hardware lifecycles, enterprise switches, routers, domain controllers, and security compliance audits.
Senior System Engineer
January 2013 – March 30, 2016
Desktop IT Ltd (New Baily Road, Dhaka)
- Engineered, deployed, and sustained client-server databases, messaging servers, and high-performance file repositories.
- Implemented strict redundancy architectures utilizing advanced RAID arrays and enterprise backup solutions.
- Managed core datacenter layouts, hardware installations, and comprehensive IP network administration.
Executive Credentials & Certifications
| Certification | Governing Body | Issued / Valid |
|---|---|---|
| Certified Information Systems Auditor (CISA) | ISACA, USA | March 2021 |
| ISO/IEC 27001:2013 Lead Auditor (ISMS) | IRCA | March 2019 |
| Microsoft Certified Trainer (MCT) & Azure Administrator Assoc. | Microsoft, USA | January 2021 |
| MCITP, MCSA, MCTS, MCP | Microsoft, USA | 2013 – 2014 |
Advanced Academic Qualifications
| Degree / Specialization | Institution | Result / Class | Year |
|---|---|---|---|
| M.Sc. in Computer Science & Engineering (CSE) | Royal University of Dhaka | CGPA: 3.82 / 4.00 | 2022 |
| Post-Graduate Diploma in Networking Technology | IDB-BISEW | First Division (88%) | 2013 |
| M.Sc. & B.Sc. (Hons) in Mathematics | National University | Second Class | 2008 – 2009 |
| Diploma in Computer Science & Application | Bangladesh Open University | CGPA: 3.75 / 4.00 | 2006 |
Enterprise Consulting & Key Client Deployments
Delivered mission-critical IT infrastructure, security audits, and systems engineering support across top-tier financial, banking, and multinational enterprises:
Bangladesh Development Bank Ltd
Uttara Bank Ltd
Phoenix Finance & Investments
CVC Finance Limited
Sena Kalyan Sangstha
Paragon Group
Asrotex Group
Shakti Foundation
Rahimafrooz Bangladesh Ltd