Mohan Sreenivas Email & Phone Number

Des Plaines, Il, Us

Chicago, Illinois, United States

• Work/support business users to understand issues, develop root cause analysis and work with the team for the development of enhancements/fixes.• Assist in the Development Priority List process working with Product Management group to address issue identified as part of Problem Management.• Responsible to document the process for deployment of applications with respective environments and provide best practices to DEV and QA team to maintain CI/CD pipeline.• Worked on implementing and administering monitoring log analysis tools Prometheus and Grafana.• Worked on the Hadoop/ change request and completed them within the sprint cycle.• Have supported the spark jobs running on EKS and have resolved issues on a timely manner.• Worked on with deploying and managing CI pipeline with Jenkins.• Have provided on-call support for the various Music applications and have trouble shooted issues timely.• Have written Terraform scripts for the various instance creation in the several environments.• Experience with container-based deployments using Docker, working with docker images, ECR and Kubernetes.• Managed Kubernetes charts using Helm. Have created reproducible builds of the Kubernetes applications.• Experienced in working on DevOps/Agile operation process (Code review, unit test automation, Build& Release automation, Environment, Service, Incident and change Management) including various tools.• Pipelined Application logs from App Servers to Elasticsearch(ELK stack) through Logstash and monitoredperformance of the applications and analysed logs information using ELK.• Used Cloud Watch for monitoring AWS cloud resources and the applications that deployed on AWS bycreating new alarm, enable notification service.• Provide on call and after-hours support as required for production releases and to respond and provide support on production outages.

Chicago, Illinois, United States

• Worked on JIRA tasks/changes for the various activities and completed them within the sprint cycle.• Have worked on implementation of setting up CI/CD using ArgoCD (GitOps), Jenkins and Amazon Kubernetes service (EKS).• Maintain the user accounts (IAM), Route53 services and various AWS other services in AWS Cloud.• Worked with IAM service creating new IAM users & groups, defining roles and policies and Identity provider. • Involved in source control management with GitHub and GitLab Enterprise level repositories. Regular activities include configuring user’s access levels, monitor logs and managing master repository.• Built S3 buckets and managed policies for S3 buckets and used S3 bucket and Glacier for storage and backup on AWS.• Launched AWS EC2 instances using Amazon Images (Redhat Linux/Centos) and configuring it as per application needs.

New York City Metropolitan Area

• Spearhead migration to centralized DevOps toolset and public cloud.• Implemented CI/CD pipeline using Gitlab, AWS CodeDeploy, AWS CodePipeline, Docker Hub and ECS.• Play a significant role in establishing operational processes for a fast-growing distributed cloud platform• Develop and automate standard operating procedures around common failure scenarios (e.g. scripted/automated rollback, failovers, escalation procedures, etc.)• Implemented CI/CD pipeline using AWS CodeCommit, CodeBuild, ECR, CodePipeline andElastic Kubernetes Service.• Monitor, analyze and report performance statistics for cloud hosted environments.• Have written Dockerfile and Jenkinsfile for the various micro services applications and have deployedthe applications using the AWS CodePipeline.• Have created Lambda function to automate snapshot backup on AWS and setup the scheduled backup.• Worked on GIT to maintain source code in Git and GitHub repositories.• Help your team to develop automation frameworks and write technical documentation.• Maintaining and integrating with third party applications like Jira, Confluence and Jenkins.• Worked on Ansible setup, managing hosts file, writing various playbooks in Ansible.• Had done POC on implementation of continuous deployment pipeline with Jenkins and Jenkins workflowon Kubernetes• Responsible for Configuring Kafka Consumer and Producer metrics to visualize the Kafka System performance and monitoring.• Defined automation roadmaps for the team. Worked with the teams to understand their needs anddrove them towards the continuous integration and delivery.

Texas, United States

● Introduced agile/scrum methods for substantial team efficiency improvements, reduction in defects, faster and more frequent releases and transformed business opinion of IT.● Demonstrated “hands on” success with continuous integration, delivery and deployment.● Oversaw project and resource allocation, along with implementing structure and processes to enable accurate tracking of project progress and presentation of update reports to senior leadership teams.● Exceeded expectations with DevTools implementation past small development teams through promotion, mentoring, administration and support.● Efficiently diagnosed and resolved system/application issues through effective root cause analysis.● Implemented CI/CD process using GitHub for global development team, allowing for dozens of code updates per hour with zero downtime.● Automated build and deployment process with Jenkins and Maven, eliminating 80% of manual work.● Worked on deployment automation of all the micro services to pull images from the private docker registry and deploy to Elastic Container services (ECS) using AWS CI/CD tools.● Working closely to automate the Infrastructure with DevOps Tool and have exposure to various DevOps tools and practices.● Created python script to configure the WebSphere application server in all the environments.

New York City Metropolitan Area

● Responsibilities included process evaluation and improvement, software configuration management (DevOps) best practices, tool adoption and build and release management, application support, administration and collaboration between development, operations, project management and QA.● Managing the various environments for the critical applications.● Diagnose and solve technical problems related to Performance, Automation of Heap dump, Thread dump.● Working on the various maintenance activities, various incidents and change requests.● Working on the various priority calls and fixing the issues.● Installation of fix packs, cumulative fixes and patches to update the latest version and decrease application vulnerability.● Troubleshoot and fix issues by analysing trace logs, system logs on application servers related issues, out of memory issues, performance issues using GC (Garbage Collection) logs, heap dump issues, ● Facilitated end to end best practice improvements around the entire Software Development Life Cycle.● Established foundation for process improvement that would become de facto standard across all internaland external company websites.

New York, United States

● Deployed builds to production and work with the teams to identify and troubleshoot any issues.● Experience in installing, integrating, tuning and troubleshooting Apache and WebSphere Application serverand have support application java based Web Applications.● Managing the Production environments for the various applications.● Monitoring of applications through Splunk and working on various alerts based on severity. ● Monitoring the MQ Messages and clearing the queues.● Working on the various defects for the various applications during the different releases.● Working on various priority calls p1, p2 and p3 and fixing the issue.● Building new environments for the various card applications right from the scratch.

New Jersey, United States

● Created branches, built images, tags and merged using tools like Git.● Web Servers trouble-shooting various problems in different stages of development, QA, staging andproduction by analysing log files.● Deployment of EAR & WAR files using Jenkins jobs along with blade logic.● Have configured resources like JDBC Provider, Creating Virtual Host, Shared libraries, JNDI Configurations, EJB References creating Environment Variables and Configuring Session Management.● Evolved in Opening and working on PMR’s with IBM to solve various issues related to the Environment● Enable traces as part of troubleshooting and used a collector tool to submit the logs and traces to IBM WebSphere Application Server.● Deployment of EAR & WAR files on Web Sphere Application Server.