MD Hasibul Islam

Technical Skills

• Platforms and Tools: Kubernetes, Helm, Docker, Hyper-V, Azure DevOps CI/CD, GitHub Actions, Terraform, Ansible
• Cloud: Azure VMs, VNets, NSGs/Firewalls, Route Tables, Azure Storage, Private Endpoints, Azure Arc, AWS EC2, RDS, S3
• Monitoring: Checkmk, Azure Monitor, Log Analytics, KQL, Application Insights, Azure Monitor alerts
• Operating Systems: Windows Server 2019/2022, Ubuntu Server 20.04/24.04
• Identity Services: Microsoft Active Directory, Azure Entra ID
• Databases: SQL Server 2019/2022, High Availability Clustering, DB Backups, SSRS, Redis Stack
• Scripting and Development: PowerShell, Bash, Python, C#, F#, Java, ASP.NET Core

Work Experience

• Designed and operated Kubernetes clusters across 3 data centers running 50+ microservices.
• Automated CI/CD pipelines in Azure DevOps integrating container build, registry publishing, and Kubernetes deployments with zero-downtime rollouts.
• Managed Azure cloud resources including virtual machines, networking, and storage supporting production workloads.
• Implemented monitoring and diagnostics using Azure Application Insights for production applications.
• Saved $1,000/month by re-architecting Azure Storage network access from Private Endpoint to secure public access with allow-listed networks.
• Configured a 4-replica SQL Server Availability Group for continuous service.
• Implemented automated onsite backups for 20+ databases with a 99.9% success rate and encrypted offsite copies in Azure, reducing RPO to under 15 minutes.
• Deployed air-gapped backups on isolated servers to strengthen recovery security.
• Reduced backup storage by 50% through automated cleanup and a custom backup cleaner.
• Managed 40+ mixed Windows and Linux servers across 4 data centers, achieving 99.9% availability.
• Maintained networking across 4 data centers, 2 offices, and 22 warehouses.
• Set up on-prem Active Directory to Azure AD (Entra ID) synchronization.
• Integrated 160+ workstations for domain access and automated software installation through GPOs.
• Deployed a self-hosted Checkmk stack for hosts, applications, backups, networks, and hardware.
• Set up Azure Application Insights, configuring 20+ alerts for cost spikes and application issues.
• Integrated SQL Server logs with Azure Arc for centralized monitoring.
• Authored 30+ PowerShell, Bash, and Python scripts to automate patching, backup rotation, and certificate renewal, cutting repetitive workload by 30%.
• Developed and maintained 25+ SOPs and runbooks for backup validation, incident response, and VM provisioning, accelerating onboarding for junior admins.

Projects

• Architected and provisioned production-grade AWS infrastructure on EKS with Terraform, multi-AZ VPC and RDS PostgreSQL, ALB + WAFv2, ECR, Secrets Manager, IRSA-based IAM, and centralized security monitoring (CloudTrail, GuardDuty, Security Hub, Config).

• Designed and automated a production-style GCP platform on private GKE with Terraform (VPC, Cloud NAT, Workload Identity, Secret Manager, Artifact Registry, GCS state), GitHub Actions OIDC CI/CD, Helm deployments, and Google Managed Prometheus plus Cloud Logging observability for a containerized ASP.NET Core service.

Education