NANDHA GOBAN KANNAN
Summary
Detail-oriented Linux System Administrator with over 2 years of experience in enterprise environments utilizing Red Hat Enterprise Linux, CentOS, and Ubuntu. Expertise in production application support, incident management, patch management, and AWS EC2 operations. Proven skills in troubleshooting, executing Ansible playbooks, and collaborating with global teams to ensure high system availability.
Overview
2
2
years of professional experience
Work History
Junior Linux Administrator
Opt IT Technologies
Bangalore
05.2024 - Current
- Administer and maintain Red Hat Enterprise Linux (RHEL), CentOS, and Ubuntu servers across enterprise environments.
- Monitor Linux systems and troubleshoot production incidents to maintain service availability.
- Executed Linux patch management, security updates, and routine server maintenance to enhance system stability.
- Support AWS EC2 instances and perform routine operational activities.
- Execute Ansible playbooks for user provisioning, permission management, and service-related tasks.
- Develop Bash shell scripts to automate routine administrative activities.
- Manage Linux file systems and perform storage administration activities.
- Troubleshoot SSH connectivity, authentication, and access-related issues.
- Perform user account administration, group management, and access-related activities.
- Troubleshoot NFS mount, export, and connectivity issues and support NFS server configurations.
- Monitor and support infrastructure components including DRAC and UCS environments.
- Participate in ITIL-based incident, change, and problem management processes.
- Collaborate with global support teams to ensure continuous service delivery.
- Maintain 99.9% system availability through proactive monitoring and issue resolution.
- High Service Availability – Maintained 99.95% uptime for Linux systems supporting business-critical engineering applications.
- Improved System Reliability – Reduced critical system downtime by 30% through proactive monitoring and timely incident resolution.
- Improved operational efficiency by implementing Linux administration best practices and proactive monitoring.
- Troubleshoot LSF job scheduling issues and support engineering application environments.
- Analyze Linux system logs using journalctl and log files located under /var/log.
- Perform package management activities using yum, dnf, and rpm.
- Manage Linux services using systemctl and administer scheduled tasks using crontab.
- Provided 24x7 production application support for global engineering teams, ensuring compliance with service level agreements.
- Support ETX remote visualization environments along with KDE and GNOME desktop platforms.
Education
Bachelor of Engineering - Mechanical Engineering
Coimbatore Institute of Technology
Coimbatore, Tamil Nadu, India01-2018
Skills
- Linux Server Administration
- User and Group Administration
- Linux File System Administration
- Patch Management
- System Troubleshooting
- NFS Configuration & Troubleshooting
- SSH Troubleshooting
- Shell Scripting
- Bash Shell Scripting
- AWS EC2 Operations
- Basic AWS Administration
- RHEL 6/7/8/9
- CentOS 7/8
- Ubuntu
- Incident Management
- Change Management
- SLA Management
- ITIL Processes
- ITIL Framework
- Service Management
- Job Scheduler Management
- System Monitoring
- Performance Monitoring
- Performance Analysis
- Log Analysis
- Grafana
- Remote Server Management
- LVM management
- LDAP
- Kerberos
- SSSD
- Crontab Scheduling
- Ansible Playbook Execution
- ServiceNow
- JIRA
- Production Application Support
- Crontab Scheduling
- ServiceNow
- JIRA
- ITIL Framework
- Remote Server Management
- Server Health Monitoring
Languages
English
Intermediate (B1)
B1
Tamil
Native
Native
Accomplishments
- Improved System Reliability – Reduced critical system downtime by 30% through proactive monitoring and timely incident resolution.
- Process Improvement – Improved operational efficiency through Linux administration best practices, troubleshooting, and proactive monitoring.
- High Service Availability – Maintained 99.95% uptime for Linux systems supporting business-critical engineering applications.
Project Highlights
- Linux Administration & Support – Supported enterprise Linux environments running RHEL, CentOS, and Ubuntu for engineering application teams.
- Production Support Operations – Provided 24x7 support for business-critical engineering applications while meeting SLA commitments.
- Infrastructure Monitoring – Monitored DRAC and UCS infrastructure components and coordinated issue resolution activities.
- Linux Lab Practice – Built and maintained a personal RHEL 10 lab environment to practice Linux administration, systemd services, timer units, storage management concepts, and troubleshooting techniques.
Professional Development
- Currently pursuing Red Hat Certified System Administrator (RHCSA).
- Practicing Linux administration concepts in a personal RHEL 10 lab environment.
- Created and tested systemd service units (.service) and timer units (.timer) for scheduled task automation in a lab environment.
- Learning advanced Linux administration topics including storage management, automation, and system services.
- Continuously improving troubleshooting skills related to Linux operating systems, networking, and system performance.
Timeline
Junior Linux Administrator
Opt IT Technologies
05.2024 - Current
Bachelor of Engineering - Mechanical Engineering
Coimbatore Institute of Technology