Devops Engineer
CurrentApplication Build deployments for UAT and Production environments. Set up pre-configured RHEL on local and in the cloud on AWS EC2 and defined AWS Security Groups that controlled the traffic to reach AWS EC2 instances. Performed System Admin activities like troubleshooting of regular issues, configuration issues, applying patches, kernel upgrades, package management, diagnosing resource utilization and file system issues. Responsible for security including opening different ports on security groups, Network ACL, building Peering connections, NAT instances & VPN connection. Configured various CloudWatch dashboards and notifications on CloudWatch and by using CloudTrail. Implemented a 'server less' architecture using API Gateway, Lambda, and Dynamo DB and deployed AWS Lambda code from Amazon S3 buckets. Involved in infrastructure as code, execution plans, resource graph and change automation using Terraform. Used Jenkins and Bamboo pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes. Designed Stacks using Amazon Cloud Formation templates to launch AWS Infrastructure and resources. Worked on installation of Docker using Docker toolbox and setting up the automated build on Docker Hub. Worked on Docker Container Solutions on Amazon ECS and ECRsAutomated infrastructure provisioning on AWS using Terraform and Ansible. Handled LVM related tasks, Creating, resizing LVM, scheduling jobs such as disabling and enabling CRON jobs, enabling system logging, network logging of servers for maintenance, performance tuning, and testing. Responsible for installation and configuration of Chef and creating cookbooks and recipes in order to create the run list and configure them to nodes. Resized the filesystems based on the requirement increasing/shrinking the size on VM's and physical servers which includes local drives and SAN disks. Used the JIRA and Confluence for bug tracking, creating the dashboard for issues.