Tarun Kumar Email & Phone Number

United States

Irving, Tx, Us

Plano, Texas, United States

• Designed, built, and deployed cloud-based solutions, focusing on clients looking to move their legacy infrastructure to a more cost-effective environment.• Synchronize data with server using SASS, JavaScript and proficient in AWS services like VPC, EC2, S3, ELB, EMR, Autoscaling Groups (ASG), EBS, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront.• Developed a Terraform plugins using Golang to manage infrastructure which improved our storefront service.• Extensively worked with Scheduling, deploying, and managing container replicas onto a node using Kubernetes and experienced in creating Kubernetes clusters work with Helm charts running on the same cluster resources.• Deployed containerized applications using Docker onto Kubernetes clusters managed by Amazon Elastic Kubernetes Service (EKS). Acted to improve overall system reliability and increase administrator’s efficiency.• Wrote Terraform scripts to configure, execute, and apply plans for version control with AWS instances, and automated AWS infrastructure using Ansible and Jenkins, including software and services configuration with Ansible Playbooks.• Maintained Splunk dashboards and associated charts, graphs, and drill-downs to enable managers, administrators, users, and analysts to maximize the utility of the Splunk platform and applications.• Setup monitoring, metrics & reporting systems for fine-grained observability and actionable alerting using Grafana.• Developed in-house Code review system before migrating to the lightweight code review system available in Stash.• Planned and implemented Disaster Recovery solutions, capacity planning, data archiving, backup/recovery strategies, performance analysis, and optimization. Created a high availability and scalable AWS stacks using EC2 auto scaling.• Participated in weekly meetings with technology stakeholders to identify potential risks associated with releases.

Hyderabad, Telangana, India

• Integrated various version control tools, build tools, Nexus, and deployment methodologies (scripting) into Jenkins to create end-to-end orchestration build cycles. Scripting with Python, Bash and PowerShell.• Utilized Azure DevOps Services to create Azure Pipelines for Build and Release, and Azure Boards for planning and tracking work using Kanban and Scrum methodologies.• Used Jenkins pipelines to drive all microservices, spring boot builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.• Implemented code that improves scalability, performance, maintainability, and security.• Writing Shell Scripts for managing day-to-day transactions & for automation of routine tasks.• Performed Disaster Recovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.• Used Zabbix as a monitoring tool and employed the Zabbix plugin for Grafana for analysis and visualization.• Performed incident/problem response and root cause analysis while collaborating with other teams to resolve production issues in a timely and organized manner.• Participated in on-call rotation and conducted weekly incident reviews with pertinent teams and individuals.

Hyderabad, Telangana, India

• Installed and configured Linux and HP-UX servers, including kickstart, RPM, YUM, partitioning, LVM, file systems, cron jobs, logging, network configuration, and user permissions.• Installed VMware ESXi on Dell Servers and configured Red Hat Linux, Ubuntu Desktop/Server, Windows 2K virtual machines for various applications.• Worked on Apache web servers on Linux and configured networking with TCP/IP, NIS, NFS, DNS, and DHCP.• Administered Linux servers for several functions including managing WebSphere, Apache/Tomcat server, mail server, MySQL database, Dynamo DB, SVN, build and firewalls in both development and production.• Configured LVM/network interfaces on RHEL 5/6 after OS installs, Utilized Solaris & RHEL for administrator tasks.• Continuously sought knowledge from Level 2 teams and created knowledge articles and SOPs.