Hi, I'm Ranjith Kumar

Linux Server Administrator & Aspiring DevOps Engineer

Explore My Work

About Me

I'm Ranjith Kumar, a Linux Server Administrator passionate about building reliable infrastructure and exploring DevOps practices. I enjoy automating deployments, optimizing servers, and experimenting with tools like Docker, Kubernetes, AWS, and CI/CD pipelines. My goal is to grow as a DevOps Engineer while sharing my knowledge and delivering efficient solutions.

Skills

Linux (Ubuntu, CentOS)
Server Admin
Zimbra / Mail Servers
AWS (EC2, S3, IAM)
Docker (Learning)
Kubernetes (Basics)
Jenkins CI/CD
Bash / Shell Scripting
Git & GitHub

Experience

Sixth Star Technology

Linux Server Administrator

Sixth Star Technology, Chennai July 2025 – Present

Managing and maintaining Linux servers and hosting environments for enterprise clients. Skilled in Zimbra & cPanel mail servers, SSL installation, DNS management, firewall configurations, backups, spam filtering, and overall server security hardening. Responsible for monitoring uptime, automating routine tasks, and troubleshooting issues to ensure smooth operations.

Certifications

RHCSA Badge

Red Hat Certified System Administrator (RHCSA)

RHCE Badge

Red Hat Certified Engineer (RHCE)

Projects

SSL script

Powershell script for backup

powershell script that automatically zip data and storage that in the mounted storage box.

Zimbra backup

Zimbra Backup Automation

Cron-based solution for automated Zimbra mailbox backups with logs and alerts.

DevOps lab

DevOps Lab

Personal environment running Docker, Jenkins, and Git for CI/CD experiments.

IoT Helmet

IoT Safety Helmet

ESP32-based smart helmet with sensors for worker safety (academic project).

Contact

Interested in collaborating or offering a DevOps opportunity? Reach out!