Goduguchintha Mahesh

RHCSA Certified Linux System Administrator with 3 years of experience managing Linux servers in production environments. Skilled in RHEL administration, LVM management, patch management, system monitoring, and troubleshooting performance issues. Experienced with VMware ESXi/vCenter virtualization including VM provisioning, cloning, templates, and snapshots.

Working knowledge of AWS fundamentals including EC2, S3, IAM, and VPC. Proven ability to maintain system stability, security, and operational efficiency in enterprise environments.

System Analyst (Linux System Administrator) at Translab Technologies Pvt Ltd (2023-04 – Present)

Managed Linux servers across Production, Disaster Recovery, and Non-Production environments. Maintained 99.9% server uptime through proactive monitoring and patch management.

• Installed, upgraded, and configured Linux servers (RHEL, CentOS, Ubuntu, Oracle Linux) across Production, Disaster Recovery, and Non-Production environments, ensuring secure and stable operations.
• Maintained 99.9% server uptime through proactive monitoring, patch management, and performance tuning.
• Installed, updated, and upgraded packages using RPM, YUM, DNF, and APT package management tools.
• Configured network resources, Virtual NICs, and remote access utilities (SSH, SCP, Rsync) for secure connectivity.
• Managed LVM (creation, extension, resizing, snapshots) and file systems, optimizing disk usage and performance.
• Administered user and group management, including sudo privileges, ACLs, Sticky bit, SUID/SGID, and password policies.
• Installed and configured enterprise services including Apache HTTP Server, NFS, FTP, and AutoFS.
• Troubleshot CPU, memory, disk and network issues using tools like top, vmstat, iostat, sar, lsof, and netstat.
• Managed VM lifecycle operations (provisioning, cloning, templates, snapshots) using VMware vCenter and administered physical servers using HPE iLO.
• Implemented patch management, kernel upgrades, and security hardening activities, supporting VAPT remediation and security compliance audits.
• Monitored 200+ Linux servers using Nagios, Prometheus, and Grafana dashboards, identifying CPU, memory, and disk bottlenecks and resolving performance issues.
• Scheduled cron jobs and automation scripts for recurring tasks, improving operational efficiency.
• Documented SOPs, troubleshooting guides, and escalation workflows, improving knowledge sharing and reducing resolution times.

B.Tech in Mechanical Engineering (2020)