Experience

Where I've made an impact

Roles, responsibilities and measurable outcomes from my career so far.

Work Experience

Senior DevOps Engineer

CloudWave Systems · Remote

Mar 2023 – Present
  • Own the Kubernetes platform running 40+ microservices across three regions.
  • Drive GitOps adoption with Argo CD; establish progressive delivery and automated rollback.
  • Define SLOs with product teams and run blameless postmortems.
  • Mentor engineers on IaC, Linux internals and incident response.

Key achievements

  • Improved platform availability to 99.98%.
  • Cut deployment lead time from 3 hours to 9 minutes.
Kubernetes Argo CD Terraform Prometheus GitHub Actions AWS

DevOps Engineer

Nexify Technologies · Dhaka, Bangladesh

Jun 2020 – Feb 2023
  • Automated infrastructure for 60+ workloads with Terraform and Ansible.
  • Led lift-and-reshape migration to AWS with zero customer-visible downtime.
  • Containerized build pipeline reduced CI costs by 40%.
  • Implemented immutable 3-2-1 backups with quarterly restore drills.

Key achievements

  • 31% cloud cost reduction.
  • RTO improved from 8 hours to 45 minutes.
Terraform Ansible AWS Docker Jenkins Bash

Linux Systems Administrator

Bogura Hosting Ltd. · Bogura, Bangladesh

Jan 2018 – May 2020
  • Administered 120+ shared and dedicated Linux servers (cPanel/WHM, LEMP).
  • Automated provisioning and user onboarding with Bash and Ansible.
  • Wrote internal runbooks and self-service tools for support staff.

Key achievements

  • Cut provisioning time by 70%.
  • Reduced related support tickets by 35%.
Linux Nginx MySQL Bash Ansible WHM/cPanel