Aarthi Ramsekar

About Aarthi Ramsekar

Linux System Administrator with 4+ years of experience in managing Linux servers, system maintenance, patch management, and infrastructure support in production environments.Experienced in Linux administration including server patching, troubleshooting system issues, managing file permissions, scheduling cron jobs, and installing packages. Worked with automation tools such as Ansible for patch management and configuration tasks using YAML playbooks.Hands-on experience with AWS cloud services including EC2 instance creation, S3 storage management, EFS configuration, Lambda deployment, RDS backups, IAM role-based access management, and AWS Systems Manager patch baseline creation.Skilled in supporting infrastructure operations, maintaining system stability, and collaborating with teams during maintenance and upgrade activities.Currently focusing on strengthening knowledge in AWS and DevOps practices, with strong interest in cloud infrastructure, automation, and modern DevOps technologies.Open to opportunities in Cloud, DevOps, or Linux Infrastructure roles.

Experience

1. Senior System Engineer

   Infosys

   Feb 2025 — Present · Chennai, IN

   Managing Linux server administration including package installation, system maintenance, and troubleshooting.Performing regular patching and maintenance activities for Linux servers.Creating and managing AWS EC2 instances with required parameters for infrastructure setup.Uploading and managing files in Amazon S3 storage.Deploying and supporting AWS Lambda functions for automation tasks.Managing AWS Systems Manager patch baseline for patch management.Familiar with AWS EKS cluster upgrades, including control plane and add-on version management (CoreDNS, kube-proxy, VPC CNI) in coordination with application teams to ensure compatibility.Performing backup operations for AWS RDS databases.Managing AWS access keys, including rotating keys and removing unused credentials to maintain security.Implementing role-based access control (IAM roles and permissions) in AWS environments.Performing EFS storage extension and file system management in AWS.Managing file permissions and access control in Linux systems.Supporting Red Hat Satellite server management for RHEL systems.Handling backup operations and system monitoring in Linux environments.Created and managed Ansible playbooks using YAML for server configuration and patch deployment.Automated routine administrative tasks using cron job scheduling in Linux.Managed Linux server patching and configuration management using Ansible.

Education

• Anna University Chennai

  Bachelor of Engineering - BE, Electrical, Electronics and Communications Engineering