RATHEESH P R
Senior Linux System Administrator
Trivandrum
Summary
Over 7 years of experience as a Senior DevOps and Linux System Administrator with expertise in automation, CI/CD, cloud infrastructure, and monitoring. Skilled in designing and managing scalable, secure environments across AWS and on-premise servers. Proven ability in optimizing costs, automating deployments, and ensuring high availability through modern DevOps tools and practices.
Overview
10
10
years of professional experience
Work History
Senior DevOps / Linux System Administrator
RSGP Consulting Pvt. Ltd.
11.2017 - Current
- Designed, implemented, and managed AWS infrastructure including EC2, RDS, S3, Route53, CloudWatch, SES, SNS, and GuardDuty.
- Automated CI/CD pipelines using Jenkins and GitLab for continuous integration and delivery.
- Configured Ansible for deployment automation, server provisioning, and configuration management.
- Containerized legacy PHP and Python applications using Docker and Docker Compose.
- Migrated on-premise services to Docker containers running on AWS EC2.
- Implemented system and security monitoring using Zabbix, ELK Stack, Prometheus (with Blackbox, Node Exporter, cAdvisor), and CrowdSec.
- Handled SSL creation, domain management, and mail server setup (SPF, DKIM, DMARC).
- Performed AWS cost optimization, performance tuning, and backup strategy automation.
- Developed custom Bash scripts for automation, reporting, and server health checks.
Junior System Administrator
Tecgemini Info Service Pvt. Ltd.
01.2016 - 11.2017
- Managed daily Linux server operations, user management, and backups.
- Automated and recurring administrative tasks using Shell scripting.
- Configured SSL certificates and mail servers for clients.
- Monitored system resources and optimized performance.
- Supported IT release management and project coordination.
Education
BE - Electronics and Communication Engineering
Jayamatha Engineering College
01-2011
Higher Secondary - Computer Science
MSMHSS
01-2006
Skills
AWS (EC2, S3, RDS, SES, SNS, Route53, CloudWatch, GuardDuty)
Linux server management
Linux
Cron job scheduling
Configuration management
User account management
Server management
Multi-user system management
System monitoring
Web server administration
Disk space optimization
System performance tuning
Virtualization technologies
Package management
System maintenance
Network configuration
Log analysis
Backup and recovery
Security management
Software installation
Task automation
Performance tuning
Hardware troubleshooting
SSL certificate management
Bash scripting
Debugging networks
Database administration
Load balancing
Remote Access management
Email server setup
Application testing
Skilled in apache
Systems budget management
Regulatory compliance
Linux kernel
Testing applications
Storage management
Bash script design
Firewall configuration
Linux administration
Shell scripting
File system management
Cloud-based backup distribution
Operating system installation
Debugging network configuration
Server monitoring
Apache proficiency
Server maintenance and management
Patch management
File system administration
System upgrades
Technical support
Server maintenance
System updates
Network troubleshooting
Hardware and software installation
Incident management
Project management
Network administration
Hardware provision management
End point configurations
Desktop troubleshooting
Disaster recovery
Device configuration
Web security
User and group management
Virtualization
Scripting languages
Interests
Cricket, Football, Travelling, Singing
Timeline
Senior DevOps / Linux System Administrator
RSGP Consulting Pvt. Ltd.
11.2017 - Current
Junior System Administrator
Tecgemini Info Service Pvt. Ltd.
01.2016 - 11.2017
Higher Secondary - Computer Science
MSMHSS
BE - Electronics and Communication Engineering
Jayamatha Engineering College