Raja R.
0About
Having 11+ years of total IT experience and having 4+ years as a DevOps Engg. Installed and Configured Docker, Kubernetes (Master & worker nodes) to deploy the applications to improve the development workflow, increasing scalability & speed. Expertise in writing Dockerfiles, Docker Compose yaml and Kubernetes yaml files. Writing Docker files to pulling the Docker images from public Docker Hub repository to local repositories like client’s private repo, Nexus private repo, AWS ECR Cloud repo Created and handled Docker Volumes, Docker Network, Docker Compose, Debugging Docker Containers and multiple config jobs. Experience in open-source Orchestration tools like Kubernetes, Docker Swarm & Redhat Openshift Configuring Master & Worker nodes on on-premise & Cloud servers, and experience in setting up Master & Worker nodes, it’s access through UI, CLI and configuring the Minikube & Kubectl Experience in upgradation/migration of Cluster kubernetes nodes like RHEL OS version, UCP (MKE) version, Docker EE (MCR) version, Kernel version and patchLevel. Hands on experience on DR exercise, patching activity, Change releases & Adding new nodes to Cluster and Removing the existing nodes from Cluster Expertise in AWS cloud services such as AMI, EC2, IAM, Auto Scaling, ALM, S3, VPC, Route 53, CloudFormation, CloudWatch, CloudFront, API Gateway, Lambda etc. Kubernetes concepts like pods, deployment, services, replicaset, configmap, secrets, volumes & persistent volume claim, trident, namespace, node-label/node-selector, readinessProbe & livenessProbe, Ingress, external loadBalancer, cronjobs & jobs Configured the Jenkins to implement the CI-CD process and integrated the tool with Maven to schedule the build and automated the deployment on the application servers. Expert in writing the automation infrastructure tools like Terraform, CloudFormation Ansible playbooks written to configure multiple servers & software installation, patching. Expertise on Ansible for configuration management of cloud platforms, servers etc. Good knowledge in writing Shell, Bash Scripts and Python scripts to automation process Grafana and ITRS geneos monitoring setups were enabled to monitor the Alerts Nexus used as private repository manager to proxy, collect manage the build files (jar/war) CA Clarity PPM, MS EPM complete implementation, testing and support of Enterprise Project Management software solutions, and familiar with the techno-functional. SKILLS Continuous Build Integration Jenkins, MAVEN Configuration Management Ansible, Terraform, Putty Languages Shell Scripting, Python, XML, HTML, Go Data Base Oracle 10g/11g, SQL Server 2008 Operating Systems Windows, UNIX & Linux, RHEL, SUSE, Ubuntu SCM tools Git, Bitbucket, AWS Code commit Provisioning tools Terraform, Cloud formation PPM tools Clarity 14.3, MS EPM Ticketing tool ServiceNow, Remedy PROJECTS #1 (Capgemini) Jun 2022 – Till Date Royal Bank of Canada (RBC) DevOps Engineer. Royal Bank of Canada (RBC) is a CANADA based Banking & Capital Market, which primarily focused on Cloud maintained kubernetes nodes to maintain 100+ applications, 150+ servers which include Dev, QA, and UAT & PROD/DR servers. Monitoring the nodes and pods for smooth transaction the applications and trouble shoot the issues with Jira tickets based on the severity. Monitoring is setup to monitor the alerts Responsibilities: Setting up the calls with newly onboarding applications and validate its configurations, connections, architecture diagram, resources based on requirements Whitelisting the servers to support their applications in the Cluster and also for disaster recovery Disk space cleaning, Rebooting, upgrading versions and patching the servers Pulling the Docker images from public repo to internal private repository Assigning the Node Ports for setting up the external Load Balancer Adding/Removing the new nodes to existing Kubernetes Clusters Supporting the application team during their deployments and troubleshoot any issues during their deployments Developing custom reporting tools, setting up automated health monitoring & alerting for builds and environments Environment : Kubernetes, Docker, Openshift, RHEL, Servicenow, Jira, grafana, ITRS geneos