SAJITH SHAIK

Environment: AWS, LINUX, CentOS, Jenkins, Azure, Windows, Apache Tomcat, Shell Scripts, Docker, k8s.

• Installing and configuring Jenkins master and slave nodes.
• Experience on package management via YUM, RPM, APT.
• Worked in GIT to manage source code.
• Monitoring daily builds using continuous integration tool Jenkins and verify the logs if build fails.
• Automated the continuous integration and deployments using Jenkins, Docker.
• Experience in cluster On-boarding using Cloudgurd.
• Experience in creating VPC, Subnets and setting up EC2 instances and adding instance to respective subnets.
• Worked on Docker container to create Docker images for different environments.
• Creating Golden images to Virtual Machines windows 2019 and 2022
• Responsible for taking the source code and compiling using Maven and package it in its distributable format, such as a WAR file.
• Integrated Grafana with Prometheus to monitor system performance and application health, setting up alerts for proactive issue resolution.

Environment: Git, Jira, Jenkins, AKS, Linux, Docker, NPM, K8s, Grafana, S3

• Integrated Git, Jenkins and maven in accomplishing continuous integration and configured jenkins with Poll SCM build trigger
• Used Jenkins pipelines to drive all micro-services builds out to the Docker registry and then deployed to Kubernetes, created Pods and managed using K8s.
• Responsible for the building and deploying the artifacts into DEV, INT and QA Environment.
• Setup and managing CDN on Amazon Cloud Front (Origin Path: Server /S3) to improve site performance .
• Create and managing buckets on S3 (CLI) and store DB and logs backup, upload images for CDN server.
• Implemented the setup for Master Slave architecture to improve the performance of Jenkins.
• Extensively worked on Jenkins for continuous integration and for End-to-End automation for all build and deployments.
• Used Cloud watch to set alarms for notifications automated actions, and to monitor logs for better understanding and operation of the system.
• Created snapshots and Amazon Machine Images (AMIs) of the instances for backup and creating clone instances.
• Experience in upgrading the managed cluster with ZERO down time
• Provided 24/7 on-call support for critical systems, ensuring high availability and rapid issue resolution.

Environment : AWS, Linux, Grafana, Jenkins, Maven, Docker

• Experienced on Jenkins by installing, configuring anf maintaining for the purpose of Continuous Integration and for End to End automation for all build and deployments.
• Experience in Disk management, partitioning tools like fdisk, sfdisk and file system management ext3.
• Implement proper User Administration and file system management in Linux.
• Used MAVEN as a build tool on java projects for the development of build artifacts on the source code.
• Create/Managing buckets on S3 (CLI) and store DB and logs backup.
• Used Kubernetes to manage containerized applications using its nodes, Config-Maps, selector, Services, and deployed application containers as Pods.
• Monitoring the system bottlenecks – CPU, RAM, Disk IO and Networking using performance counters, site down alerts through Grafana.
• Using Kubernetes to orchestrate the deployment, scaling, and management of Docker Containers.

Environment: AWS, Linux, Git, Jenkins

• Responsible for creating Artifacts using Maven and deploying those artifacts into Tomcat Server.
• Experienced in creating multiple VPC's, public, private subnets as per requirement and established connectivity to AWS Resources in another VPC in another region using AWS VPC Peering.
• Used Jenkins for Continuous Integration and deployment into Tomcat Application server.
• Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/ Ubuntu) and configuring launched instances with respect to specific applications.
• Creating war / jar / Ear files using maven goals.
• Setting up EC2 instances and prerequisites on the instances for deploying the applications.
• Involved in deploying Artifacts like JAR, WAR and EAR into application server Apache Tomcat.
• Used Cloud Watch to set alarms for notifications or automated actions, and to monitor logs for a better understanding and operation of the system.