Pavithra Chadayandi

• Provided technical support for Linux-based systems, including troubleshooting of server applications and hardware issues.
• Managing and configuring Red Hat Linux servers (7 and 8).
• Experience in troubleshooting physical and virtual systems in a production environment.
• Created and automated jobs, workflows using Cron and Ansible playbooks.
• Experience in package management using RPM and YUM on RHEL.
• Proficient in patching-level issues and supporting issues during patching.
• Administered the Linux file system, including setting up and managing ext4 and XFS file systems.
• Experience in managing and configuring filesystems in Linux, including creating, resizing, and troubleshooting various filesystem types.
• Created, modified, and deleted user accounts and groups in RHEL.
• Configured and maintained file and directory permissions, and ownership settings, ensuring appropriate access levels for different user roles.
• Renewed SSL certificates on Linux servers.
• Configured, maintained, and customized Jira projects, workflows, boards, screens, and custom fields.
• Managed user accounts, groups, and permissions in Jira and Confluence.
• Provided technical support to Jira and Confluence users.
• Managed various project documents, created, and maintained the project space in Confluence.
• Hands-on experience with core AWS services like EC2, S3, Lambda, Auto Scaling, IAM, VPC, and ELB.
• Provisioned and managed EC2 instances, AMIs, key pairs, and security groups.
• Implemented IAM users, roles, policies, and followed least-privilege access control.
• Monitored resources using Amazon CloudWatch (logs, metrics, and alarms).
• Worked in auto-scaling groups and configured load balancers (ELB/ALB) for high availability.
• Deployed the application in AWS using Linux-based EC2 machines.
• Implemented security practices using security groups and IAM roles.
• Performed backup and recovery using snapshots and AMIs.
• Designed and configured VPC components, including subnets, internet gateways, route tables, and NAT gateways.
• Integrated Jenkins with version control systems (GitHub, GitLab) to trigger automatic builds and deployments on code commits or PR merges.
• Enabled Slack, MS Teams, and Email notifications for real-time CI/CD job status updates and alerts.
• Managed Jenkins pipelines for cloud-based deployment in AWS using services like EC2, EKS, S3, Lambda, etc.
• Worked closely with development and operations teams to design scalable and resilient CI/CD strategies.
• Deployed and managed Jenkins in containerized environments using Docker and Kubernetes.
• Created and maintained Infrastructure-as-Code for Jenkins using Terraform and Ansible.
• Monitored Jenkins performance and logs, and performed periodic backups and disaster recovery testing.
• Created basic Dockerfiles for Python, Java, and web applications.
• Pulled and managed images from Docker Hub.
• Built and maintained Docker images for applications.
• Used Docker commands to start, stop, and monitor containers.
• Mounted volumes and exposed ports for containerized applications.
• Designed and maintained Dockerized application environments for development, testing, and production.
• Created and managed Git repositories for Linux automation and projects.
• Performed commit, push, pull, merge, and branch operations in GitHub.
• Assisted with pull requests and code reviews.
• Integrated GitHub repositories with CI/CD pipelines.
• Having a basic understanding of Kubernetes architecture, and hands-on experience with pods, deployments, ReplicaSets, and services.
• Basic hands-on experience with Terraform as IaC.
• Created and managed Terraform configuration files using HCL.
• Provisioned AWS resources, like EC2 and S3, using Terraform.
• Executed Terraform commands (init, plan, apply, and destroy).
• Designed and implemented Prometheus-based monitoring for Linux servers and containerized workloads.
• Installed and configured Node exporter in RHEL systems.
• Built Grafana dashboards for CPU, memory, disk, network, and application metrics.
• Implemented Alertmanager rules for proactive incident response.
• Audited incidents, service requests, and change requests.

Provided level 1 technical support for end users.

Diagnosed and resolved basic network-related and system-related issues.

Helped the end users with password and security-related issues via calls, chats, mail, and tickets.

Escalated critical issues to higher-level support teams when required.

Documented all troubleshooting steps and solutions for the knowledge base.

Created, managed, and updated tickets using the ticketing tool ServiceNow.