Infrastructure & cloud
Resilient foundations for teams that need technology to simply work.
Hybrid cloud · VMware · Azure · AWS
AA®System administrator
& cloud specialist
System administrator / Cloud / DevOps / Security
Modern infrastructure.
Built to perform.
( About )01 — 04
I build the invisible layer that keeps modern businesses moving.
Lead System Engineer with 12+ years of experience leading cross-functional teams to modernize core infrastructure across hybrid cloud, VMware virtualization supporting 500+ VMs, and Kubernetes.
Proven track record in achieving ISO 27001 and CMMI Level 3 certifications while ensuring 99.9% uptime. A strategic problem-solver specialized in bridging the gap between legacy hardware and modern DevOps automation.
( Services )02 — 04
How I can help.
DevOps & platforms
Delivery systems that turn releases from stressful events into routine work.
Kubernetes · Docker · CI/CDSecurity & operations
Practical safeguards, observability and response built into daily operations.
Monitoring · Firewalls · ComplianceTechnical advisory
Clear direction through migrations, modernisation and complex systems decisions.
Architecture · Roadmaps · Delivery
( Approach )03 — 04
Calm systems.
Clear decisions.
Good infrastructure should fade into the background. My work is deliberate, documented and built to give teams confidence long after handover.
- Design for failure
- Automate the repeatable
- Document the important
- Keep people in the loop
( Skills & certifications )04 — 06
Depth where it
matters.
Hands-on expertise across the platforms and practices that keep enterprise technology moving.
Hybrid cloud architectureVMware vSphere & vSANKubernetes & TanzuNetwork & endpoint securityCI/CD & DevOps automationLinux & Windows systemsData centre operationsAudit & compliance
VMware
VMware Certified Professional — Data Center Virtualization (2024)
Verified learning path ↗Cloud Native Computing Foundation
Certified Kubernetes Administrator (CKA)
Verified learning path ↗Amazon Web Services
AWS Cloud Fundamentals
Verified learning path ↗CompTIA
CompTIA Server+
Verified learning path ↗Red Hat
Red Hat Certified System Administrator
Verified learning path ↗Red Hat
Red Hat Certified Engineer
Verified learning path ↗Red Hat
Red Hat Fundamentals of Ansible
Verified learning path ↗Microsoft
Microsoft Certified: Azure Administrator Associate
Verified learning path ↗Microsoft
Microsoft Certified: Azure Security Engineer Associate
Verified learning path ↗Microsoft
Microsoft Certified: Windows Server Hybrid Administrator Associate
Verified learning path ↗Microsoft
Microsoft 365 Certified: Administrator Expert
Verified learning path ↗Microsoft
Microsoft Certified: Information Protection and Compliance Administrator Associate
Verified learning path ↗Google System Administration and IT Infrastructure Services
Verified learning path ↗( Experience )05 — 06
Selected
experience.
Enterprise systems, cloud platforms and operations leadership across Bangladesh’s technology landscape.
Dhaka, Bangladesh · On-site
Leading core infrastructure, network security and DevOps operations for a Tier II-equivalent on-premises data centre supporting 20,000+ students and staff — from the data centre floor to the edge of the network.
Key responsibilities
- Administer and modernize Tier II-equivalent data centre infrastructure, including an 8-node VMware 9 vSphere/vSAN cluster and a growing VMware Tanzu / Kubernetes platform.
- Secure 1,000+ endpoints with CrowdStrike Falcon EDR and manage 2,000+ devices through Kaspersky Security Center.
- Administer F5 BIG-IP WAF/ADC protecting 30+ public-facing applications.
- Manage Palo Alto Networks and Fortinet firewalls in active-passive high availability.
- Operate a campus-wide Huawei Wi-Fi 6 network serving 30,000+ concurrent users with 2 GB minimum bandwidth.
- Lead System Administration, Networking and IT Support teams across operations, escalations and incident resolution.
- Serve as DevOps lead, building GitLab and GitHub CI/CD pipelines and deploying Tanzu Kubernetes clusters.
- Drive cloud migration, legacy upgrades, container adoption, security audits and compliance.
- Act as primary escalation point for critical data centre, network and application incidents.
Dhaka, Bangladesh
Led System and Network Engineering teams while planning resilient capacity and security improvements.
Key responsibilities
- Led System & Network Engineering teams and planned capacity upgrades.
- Administered GitLab and Harbor registries and optimized CI/CD runners.
- Managed Palo Alto and FortiGate firewalls, security hardening and audits.
- Operated Hybrid AD/Azure AD (Entra ID) and MECM/SCCM patching.
Dhaka, Bangladesh
Re-engineered infrastructure and security for a 200-user organization with Bangladesh–UK operations.
Key responsibilities
- Redesigned on-premises infrastructure with redundant switching, firewalls and failover architecture for 99.9% uptime.
- Implemented Google Workspace DLP, MFA and advanced phishing protection.
- Established secure Bangladesh–UK site-to-site tunnels for AWS access.
- Deployed next-generation firewalls and privileged access management.
- Modernized network topology and consolidated legacy systems.
Dhaka, Bangladesh
Operated large-scale virtualization, hybrid email and observability platforms with 99.9% availability.
Key responsibilities
- Operated 20+ ESXi hosts and 500+ VMs.
- Managed hybrid On-Prem and Microsoft 365 email infrastructure.
- Built monitoring with ELK, Prometheus and Grafana.
- Led incident response and root-cause analysis for critical issues.
Uttara, Dhaka
Built AWS delivery pipelines, hybrid Microsoft environments and real-time observability for modern applications.
Key responsibilities
- Managed AWS EC2, Lambda, RDS and DynamoDB for availability, cost and security.
- Built CI/CD with AWS CodePipeline, CodeBuild and Elastic Beanstalk.
- Managed GitHub branching and pull-request workflows.
- Administered AD, Azure AD, Intune and PowerShell hybrid integrations.
- Implemented ELK monitoring across serverless and EC2 environments.
Dhaka, Bangladesh
Administered enterprise server platforms and delivered repeatable automation, hardening and migrations.
Key responsibilities
- Administered Linux and Windows Server environments.
- Delivered automation with Shell, Expect, Sed and Awk.
- Implemented SSL/TLS at scale with hardening and migrations.
Dhaka, Bangladesh
Supported more than 300 users and maintained essential enterprise communication services.
Key responsibilities
- Supported 300+ users.
- Maintained on-premises IT and Exchange email services.
Dhaka, Bangladesh
Delivered regional user support and maintained on-premises data centre services.
Key responsibilities
- Supported 100+ users.
- Maintained on-premises data centre services.
Dhaka, Bangladesh
Supported digital content operations and day-to-day publishing workflows.
Key responsibilities
- Managed assigned content operations and publishing support.
Dhaka, Bangladesh
Provided frontline technical assistance and customer issue resolution.
Key responsibilities
- Diagnosed connectivity issues and supported customer service requests.
( Education )06 — 07
Postgraduate degree
Master of Science (MSc)
Computer Science and Engineering (CSE)
Have a system to improve?