HELLO, I AM

Tanvir Ahmed Senior DevOps Engineer

I build, automate & scale reliable infrastructure

6+ years designing resilient platforms, zero-downtime delivery pipelines and observable systems — from bare-metal data centers to multi-cloud Kubernetes.

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Tanvir Ahmed

Quick stats

6+ Years

Production infrastructure experience

40+ Clusters

Kubernetes clusters operated

99.98%

Platform uptime across fleets

1,200+

Automated deployments shipped

Featured Projects

Selected work from my portfolio

Multi-tenant Kubernetes Platform thumbnail Featured In progress
Kubernetes

Multi-tenant Kubernetes Platform

Production Kubernetes platform for 40+ microservices with GitOps delivery, service mesh and auto-scaling.

Kubernetes ArgoCD Helm Prometheus Istio
Source ↗
Zero-Downtime CI/CD Pipeline thumbnail Featured Completed
CI/CD

Zero-Downtime CI/CD Pipeline

GitHub Actions + Argo CD pipeline with automated testing, security scanning and canary releases.

GitHub Actions Docker Trivy ArgoCD Terraform
Live ↗ Source ↗
Full-Stack Observability Stack thumbnail Featured Completed
Monitoring

Full-Stack Observability Stack

Metrics, logs and traces correlated in Grafana with SLO dashboards and error budgets.

Prometheus Grafana Loki Tempo Alertmanager
Source ↗
Multi-Cloud Migration Program thumbnail Completed
Cloud

Multi-Cloud Migration Program

Lift-and-reshape migration of 60+ workloads to AWS and Hetzner with Terraform.

Terraform AWS Ansible Packer OpenTofu
Source ↗
Immutable Backup & DR Vault thumbnail Completed
Backup & DR

Immutable Backup & DR Vault

3-2-1 backup strategy with restic, off-site replication and quarterly restore tests.

Restic MinIO Bash Cron S3
Source ↗
Host Hardening & CIS Compliance thumbnail Completed
Security

Host Hardening & CIS Compliance

Automated CIS Benchmark compliance across 200+ servers with Ansible and continuous auditing.

Ansible OpenSCAP SELinux Auditd Bash
Source ↗

Skills & Expertise

Tools & technologies I work with daily

Linux Administration

  • Linux system administration 95%
  • Bash scripting 92%
  • Systemd & performance tuning 88%
  • Package & patch management 85%

Windows Server Administration

  • Windows Server 2019/2022 70%
  • Active Directory 65%
  • PowerShell automation 68%

DevOps & Automation

  • Ansible 88%
  • Terraform / OpenTofu 85%
  • Infrastructure as Code 88%
  • Configuration management 86%

CI/CD

  • GitHub Actions 90%
  • GitLab CI 82%
  • Jenkins 78%
  • Argo CD 87%

Docker & Containerization

  • Docker 92%
  • Container security 82%
  • Registry management (Harbor) 80%

Kubernetes

  • Cluster operations 90%
  • Helm 88%
  • GitOps delivery 87%
  • Troubleshooting & debugging 89%

Cloud Infrastructure

  • AWS 82%
  • Hetzner / bare-metal cloud 85%
  • Multi-cloud networking 75%

Virtualization

  • KVM / Proxmox 86%
  • VMware vSphere 74%
  • QEMU image pipelines 78%

Networking

  • TCP/IP & DNS 88%
  • VLANs & routing 80%
  • BGP basics 72%
  • Firewalls (nftables/iptables) 84%

Monitoring

  • Prometheus 87%
  • Grafana 88%
  • Loki & Tempo 80%
  • Alerting & SLOs 85%

Security

  • CIS Benchmarks 83%
  • SELinux 78%
  • Secrets management 82%
  • Vulnerability scanning 80%

Hosting Infrastructure

  • cPanel / WHM 85%
  • Nginx & LEMP 90%
  • Mail servers 75%
  • SSL & PKI 84%

Have an infrastructure challenge?

Whether it’s a Kubernetes migration, CI/CD overhaul or a greenfield cloud build — let’s talk.

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