Sr. DevOps Engineer | Trainer

Work Experience

NexGen Cloud, London, UK
Sr. DevOps Engineer
(Nov 2023 - Present)

Lead DevOps implementation and consulting for NexGen Cloud, specializing in large-scale HPC and GPU infrastructure.
Spearheaded production migration to DigitalOcean, developing Ansible playbooks for automated infrastructure setup and application deployment.
Established CI/CD code culture by enforcing automated pipelines, replacing manual deployments.
Deployed HashiCorp Vault in HA mode, ensuring secure sensitive data management.
Integrated Prometheus and Grafana for enhanced system performance visibility.
Developed a Kubernetes operator using Go and Operator SDK for proprietary HTTP server deployment.
Automated customer data and charges report exports for the finance team, enhancing data-driven decisions.
Created an "Orphan Parser Playbook" with Ansible to detect and remove orphaned VMs.
Developed and maintained comprehensive system documentation.

FirstBlood Technologies Inc, Boston, Massachusetts
DevOps Engineer
(Aug 2022 - Sep 2023)

Managed infrastructure and deployment for a blockchain-based eSports platform with 150,000+ users.
Led the migration from AWS to GCE, setting up Terraform and Ansible DevOps infrastructure.
Developed reusable Helm templates and introduced ArgoCD for application deployment via Helm charts.
Implemented CI/CD for Unreal Engine app deployments, streamlining release cycles.
Integrated Nessus into CI/CD pipelines to identify and resolve security vulnerabilities.
Automated routine Linux administration tasks through scripting, reducing manual workload.
Deployed and managed the EFK stack for centralized log aggregation, improving troubleshooting efficiency.
Recognized as the ‘Man of Automation’ for cost optimization initiatives.

TechServe4U LLC, Warren, Michigan
Lead Instructor
(Nov 2021 - Mar 2023)

Taught courses on microservices, AWS technologies, system architecture, and Kubernetes microservices.

Dynamic Solution Innovators Ltd, Dhaka, Bangladesh
Site Reliability Engineer
(Jan 2022 - Dec 2022)

Led the Raptor and Forecast project teams at Movandi Corporation, USA.
Implemented microservices from monolithic architecture, developing over 40 Dockerfiles.
Automated server deployment using Ansible playbooks, reducing manual effort.
Developed a disaster recovery plan and a custom Fluentbit plugin in Go for sending logs to Matomo analytics.

Newgen Technology Ltd., Dhaka, Bangladesh
Software Engineer
(Oct 2019 - Nov 2021)

Led a team of six in developing an Event Management application.
Created Helm Charts for Kubernetes manifests and Ansible playbooks for various projects.
Developed flexible Grafana dashboards and integrated Ingress with Nginx.
Improved Learning Management System (LMS) sales by implementing the Cancel, Re-Order, and Coupon refund features.
Developed a promo code generator for ERP's merchandising module.
Integrated Kroki for diagram support in GitLab.

B.Sc. in EEE | Chittagong University of Engineering and Technology, Bangladesh (May 2019)
H.S.C. in Science | Notre Dame College Dhaka (May 2014)
S.S.C in Science | Rangpur Zilla School (December 2012)

Cloud Platforms: AWS, GCP, Azure, OpenStack, DigitalOcean
DevOps Tools: Docker, Kubernetes (EKS, GKE, AKS), Helm, Terraform, Terragrunt, OpenShift, Istio, Velero, Nexus, Skaffold, Jenkins, GitLab/GitHub CI/CD, Ansible, Vagrant, SonarQube, Jaeger, Zipkin
Languages: Python, Golang, JavaScript, Bash, Shell Scripting, Java, TypeScript
Frameworks: ExpressJs, ReactJs, Spring Boot, Flask, FastAPI
Database: MySQL, PostgreSQL, MongoDB
Monitoring and Logging: EFK, Prometheus, Grafana
Quality Assurance and Error Tracking: Sentry, SonarQube
Messaging and Queue: RabbitMQ, Redis, Memcached

Pocket ECG
Heart disease (Arrhythmia) prediction and real-time ECG monitoring system based on deep learning.

Speaker: Seminar on “Hands on Arduino” - CPCU Seminar, Fall 2019
Keynote Speaker: C-programming language in depth - CPCU Seminar, Spring 2018
Keynote Speaker: Workshop on “Making line follower robots” - Feni University, Fall 2018