Ranjan Kumar

Automated CI/CD pipeline using Jenkins for seamless integration, testing, and deployment.

• Managed Kubernetes clusters with kubeadm, implementing role-based access control for security.
• Implemented SonarQube for code quality checks and Trivy for vulnerability scanning in pipelines.
• Managed artifact repositories with Nexus while automating Docker image builds and tagging.
• Deployed monitoring solutions using Prometheus, Node Exporter, and Grafana to ensure system health.
• Streamlined DevOps workflows by automating email notifications and integrating essential tools.

Established Jenkins server and created CI/CD pipelines with GitHub integration using webhooks for automated builds.

• Integrated SonarQube with Jenkins for static code analysis and enforced quality gates in the pipeline.
• Configured Docker server to automate build, test, and deploy stages, including SSH setup and Dockerfile creation.
• Implemented secure SSH communication between Jenkins and Docker servers to enable remote shell execution.
• Managed user permissions for Docker command execution to maintain streamlined CI/CD flow from code commit to deployment.

• Managed IT infrastructure and network security to ensure seamless operations across international environments.
  Provided technical support and troubleshooting to enhance efficiency and security.
  Implemented automation solutions to improve system performance and reliability.
  Oversaw system administration tasks, ensuring optimal functionality of IT resources.

• Tracked help desk ticket status using ticketing systems throughout resolution process.
• Developed and maintained user accounts, permissions, and access rights.
• Maintained comprehensive inventory records of all hardware components within organization’s network.
• Configured routers and switches to meet organizational specifications.
• Delivered technical support to end-users for various computer software and hardware issues.