Jithendar Dharmapuri

Company summary:

The Adecco Group is a Swiss–French company based in Zurich, Switzerland. It is the world's second largest Human Resources provider and temporary staffing firm, and a Fortune Global 500 company.

Responsibilities:

• Researched and identified new technologies to use in agile development environment.
• Created secure custom coding to prevent network threats.
• Collaborated with development teams to streamline software releases, resulting in faster time to market.
• Authored code fixes and enhancements for inclusion in future code releases and patches.

Company Summary

EPAM Systems, Inc. is an American company that specializes in software engineering services, digital platform engineering, and digital product design. Here I have worked FIS Global client as platform engineer.

Responsibilities

• Design and manage public and private cloud infrastructures using AWS, which includes VPC, EC2, S3, Cloud Front, Elastic File System, RDS, Direct Connect, Route53, Cloud Watch, Cloud Trail, and IAM. Operations were automated using CloudFormation.
• Set up CI/CD pipelines so that each commit a developer makes goes through the standard software development lifecycle and gets tested well enough before it can make it to production.
• Deploy AWS Infrastructure with IAC using Terraform as well as Cloud Formation to enable portability of cloud services across hybrid cloud environments and on some of the legacy applications .
• Target deployments of AWS infrastructure to dev, qa and prod environments using Terraform, GitLab and Cloudformation.
• Work with development team to migrate Ant scripts to Maven and work on authoring POM.XML files, and perform releases with the Maven release plugin and manage Maven repositories.
• Develop automation scripting in Python & Shell to deploy and manage Java applications across Linux servers.
• Work on customization of existing Python scripts of some of the internal applications.
• Utilize AWS step-function for orchestrating and automating the pipeline.
• Develop scripts for AWS orchestration, maintenance, and expansion of AWS infrastructure.
• Branch, tag, and maintain the version across the environments using SCM tools like GIT, Subversion (SVN) and TFS.
• Create Ansible playbooks to automatically install packages from a repository to change the configuration of remotely configured machines and to deploy new builds.
• Lead transition from manual configuration and deployment to IAC using Terraform.
• Create Docker images using a Dockerfile and work on Docker container snapshots, remove images, manage Docker volumes as well as set up Docker Host.
• Use Kubernetes as open-source platform for automating deployment, scaling and operations of application containers across clusters of hosts, providing container-centric infrastructure.
• Established monitoring for microservice based applications using Grafana and Prometheus.
• Used ELK solutions for log monitoring and log aggregation.

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Company Summary

The HCL Tech is an Indian multinational company. It offers software consulting services to global clients. During the my period with HCL Tech I was worked for Verizon Communications Inc.

Responsibilities

• Built AWS infrastructure through IaC tool tool Terraform and CloudFormation integrated with GitLab.
• Configure AWS Kinesis stream and firehose to deliver data into S3.
• Deployed QuickSight in to multiple environments using Terraform & coloudformation.
• Created QuickSight dynamic Dashboards to visualize log data from the S3 bucket.
• Implements Glue Jobs/Databases/Crawlers for error handling of log data and querying S3 data from athena.
• Implement security measures AWS provides and employ key concepts of IAM.
• Ingest IDS/IPS Devices logdata through AWS Kinesis Data Stream and Firehose from various sources to S3.
• Add support for Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud.
• Designed an architectural diagram for applications before migrating into Amazon Cloud for flexible, cost-effective, reliable, scalable, high-performance and secured operations.
• Completed automation deployments using AWS by creating the IAM and used the code pipeline plugin to integrate Jenkins with AWS and also created EC2 instances to provide the virtual servers.
• Set up databases in AWS using RDS storage and configured instance backups to S3 bucket.
• Configured AWS Import/Export to accelerate moving large amounts of data into and out of AWS using portable storage devices for transport.
• Automated deployment of applications inside containers and Setup EKS clusters to deploy microservices.
• Coordinated in pushing code to GitHub and automated the process of release by pushing all the code to GitHub.
• Used metrics to monitor application and infrastructure performance.
• Pushed VPC flow logs and their execution into Splunk and monitor deployments.
• Reviewed existing systems and made recommendations for improvements.
• Deployed lambda functions to enable dynamodb metadata tables (Weekly and Monthly)

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Company Summary

Wipro Limited is an Indian multinational corporation that provides information technology, consultant and business process services. It is one of the leading Big Tech companies. Here I have worked for Santander Bank UK as DevOps engineer.

Responsibilities

• Designed and built AWS infrastructure using various resources such as VPC, EC2, S3, IAM, EBS, Security Groups, Auto Scaling, VPC, CloudWatch, Lambda, EKS, RDS & AWS CLI.
• Implemented GitOps with ArgoCD and deployed Santander OMNI microservices.
• Implemented Kyverno in EKS a policy engine designed specifically for Kubernetes.
• Deployed AWS resources using AWS Terraform and Jenkins.
• Created alarms and notifications for EC2 instances using CloudWatch.
• Triggered AWS Lambda functions using CloudWatch scheduled events.
• Managed IAM service in AWS for assigning roles and polices to users and used the IAM console to create custom users and groups.
• Maintained tagging compliance for all the AWS resources and updated all tags using AWS CLI.
• Ensured regular tag compliance and patch compliance to the cloud resources in AWS.
• Created S3 buckets and maintained and utilized the policy management of S3 buckets and Glacier for storage and backup on AWS.
• Provided technical assistance to all phases of the Cloud Program, including Infrastructure as a Service (IaaS) and Platform as a Service (PaaS).
• Worked with Jenkins pipeline suite for supporting the implementation & integration of continuous delivery (CD) pipelines.
• Installed, configured, and administered Jenkins Continuous Integration (CI) tool on Linux machines along with adding/updating plugins such as GIT, Maven, and Ansible.
• Used Ansible as a configuration management tool to automate daily tasks, rapidly deploy critical applications, and proactively manage change.
• Provisioned, operated, and maintained systems running on AWS and configuration management using Ansible, and deployed microservices using Ansible.
• Enabled SSH access to servers from the jump server without key or password using Ansible and the shell.
• Involved in configuration automation and centralized management with Ansible and implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
• Worked with Ansible for deployment of security tools, Nagios agents, and Nagios Servers in different environments.

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Company Summary

CGS has enabled global enterprises, regional companies, and government agencies to drive breakthrough performance through business applications, enterprise learning and outsourcing services.

Responsibilities

• Installed, configured, monitored and administrated windows servers, which included the design and deploy the BlueCherry PLM Suit in to various cloud platform Azure/AWS.
• Create custom OS images installed with BlueCherry PLM Suit using Packer, Jenkins in multi cloud environments.
• Created Ansible playbooks to deploy demo version of BlueCherry in AWS/Azure for demonstration purpose to the clients.
• Created and maintained Python scripts for automating build and deployment processes.
• Utilized Kaseya remote administration tool to monitor the VMs in cloud and enabled alerts on various system failures and disk monitoring.
• Created users, managed user permissions, maintained user and file system quotas, and installed and configured DNS.
• Worked with DBA team for database performance issues, network related issues on Windows servers and with regarding hardware related issues.
• Monitored CPU, memory, hardware and software including raid, physical disk, multipath, filesystems, and networks using Kaseya remote administration tool.
• Automated daily tasks using bash scripts while documenting the changes in the environment and in each server, analyzing the error logs, user logs and /var/log messages.
• Administered local and remote servers using the SSH on a daily basis.
• Experience with Nginx and Apache Tomcat web servers for application deployment.
• Experience with analyzing and monitoring of log files to troubleshoot issues.
• Involved in implementing Ansible playbooks configuration & maintaining them in several environments on Azure/AWS cloud.
• Used CI/CD tools Jenkins, Git, Jira for configuration management & automation using Ansible.
• Developed shell scripts and python scripts to automate system level activities, run API calls, and parse through outputs of REST API calls.
• Created and maintained Python scripts for automating build and deployment process.
• Administered Linux servers for functions such as managing Apache/Tomcat, mail servers, MySQL databases, and firewalls in development and production.

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Responsibilities:

• Worked on Active Directory for managing the company users.
• Conducted routine and emergency maintenance of assigned data center equipment.
• Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
• Installed and configured network printers and other peripheral devices.
• Suggested software and hardware modifications to reduce lag time and improve overall speed.
• Researched and identified solutions to technical problems.
• Removed malware, ransomware, and other threats from laptops and desktop systems.
• Performed root cause analysis of reported issues to enact corrections.
• Earned recognition from management for consistently delivering exceptional service quality.
• Proactively identified opportunities for process improvements, enhancing overall support quality and client satisfaction.
• Implemented, developed and tested installation and update of file servers, print servers and application servers.
• Designed and evaluated WAN and LAN connectivity technologies.
• Implemented and maintained virtual private networks.

Responsibilities:

• Suggested software and hardware modifications to reduce lag time and improve overall speed.
• Researched and identified solutions to technical problems.
• Removed malware, ransomware, and other threats from laptops and desktop systems.
• Performed root cause analysis of reported issues to enact corrections.
• Delivered Tier-3 support and SME input to internal and external customers.
• Earned recognition from management for consistently delivering exceptional service quality.
• Created user accounts and assigned permissions.
• Collaborated with vendors to locate replacement components and resolve advanced problems.
• Proactively identified opportunities for process improvements, enhancing overall support quality and client satisfaction.