Md Rakib Khan

DevOps Engineer

Email: rakib4kbd@gmail.com

LinkedIn: linkedin.com/in/rakib4kbd

Upwork: upwork.com/freelancers/~01b87aafcf57285817

Professional Summary

Highly skilled and results-oriented DevOps Engineer with over 5 years of hands-on experience in Linux System Administration, Cloud Management, and Automation. Specializing in Amazon Web Services (AWS), containerization with Docker, orchestration with Kubernetes (k8s), continuous integration/continuous deployment (CI/CD), and Linux administration, I have a proven track record of optimizing infrastructure, enhancing security, and improving system performance through innovative automation and scripting. With a 100% job success score on Upwork for 5+ long-term projects, I am committed to delivering exceptional results and driving operational excellence.

Work Experience

DevOps Engineer

MojoCreators (US-based Company) | 2022 - Present

  • Designed, deployed, and optimized AWS cloud infrastructure, including EC2, EKS, Lambda, S3, RDS, Route53, Load Balancers, CloudFront.
  • Automated CI/CD pipelines using Jenkins, GitHub Actions, AWS CodePipeline, reducing deployment time by 40%.
  • Implemented monitoring & logging solutions using Prometheus, Grafana, ELK, Graylog to enhance system observability.
  • Managed and secured 30+ SMTP and client email servers through Ansible, Jenkins, GitHub, Ubuntu 20.04, Postfix, Dovecot, OpenDKIM, CSF.

DevOps Engineer

YafiTech | 2022 - 2025

  • Orchestrated containerized deployments with Docker & Kubernetes (EKS, ECS, Helm) to improve scalability and reliability.
  • Migrated mission-critical applications to AWS, DigitalOcean, and GCP, enhancing performance and cost-efficiency.
  • Developed and maintained infrastructure automation scripts using Terraform & Ansible, reducing manual intervention by 50%.

Linux System Administrator

YafiTech | 2019 - 2022

  • Administered and optimized Linux-based servers (Ubuntu, Debian, CentOS, RockyLinux) for high-availability applications.
  • Configured, secured, and optimized web servers (Nginx, Apache, HAProxy, OpenLiteSpeed) for increased performance.
  • Deployed and maintained enterprise-grade email servers (Postfix, Exim, iRedMail, Dovecot, OpenDKIM), ensuring 99.9% uptime.

Freelance DevOps Engineer

Upwork Marketplace | 100% Job Success Score

  • Delivered DevOps, Cloud, and Automation solutions to international clients, ensuring secure, scalable, and efficient infrastructure.
  • Executed website, database, and cloud infrastructure migrations, improving security, performance, and cost-effectiveness.

Skills

DevOps & Cloud Technologies

Cloud Platforms: AWS (EC2, S3, RDS, Lambda, Route53, Load Balancers, CloudFront, API Gateway), DigitalOcean, GCP.

Infrastructure as Code (IaC): Terraform, Ansible, CloudFormation.

CI/CD & Automation: Jenkins, GitHub Actions, AWS CodePipeline, Kubernetes, Docker.

Monitoring & Logging: Prometheus, Grafana, ELK Stack, Graylog, Moogsoft, AppDynamics.

Security & Compliance: IAM, VPC, VPN, SSL/TLS, WAF, Cloudflare Security Solutions.

Linux & System Administration

Operating Systems: Ubuntu, Debian, CentOS, AlmaLinux, RockyLinux.

Web Servers: Nginx, Apache, HAProxy, OpenLiteSpeed.

Email Servers & Security: Postfix, Exim, iRedMail, Dovecot, OpenDKIM, DMARC, SPF, CSF.

Database Management: MySQL, PostgreSQL, MongoDB, AWS RDS.

Project & Team Management

Agile methodologies, Jira, Trello, Asana, Slack, Google Workspace.

Certifications

Education

Higher Secondary Certificate (HSC), Rajbari Government College | Year of Completion (Please Specify)

Projects & Achievements

References

Available upon request.