Senthura Senthilkumar

RHCSA & RHCE Certified Linux Systems Engineer with 3+ years of experience administering high-availability RHEL/CentOS infrastructure in regulated banking and healthcare environments. Proven expertise in automated patching, vulnerability remediation, LVM storage management, and configuration management using Ansible, Puppet, and shell scripting. Holds a valid Czech long-term residence permit with unrestricted work authorization, enabling immediate onboarding.

Associate Consultant at Atos IT Global Solutions and Services Pvt.Ltd. (2024-08 – 2026-06)

Project: Standard Chartered Bank (SCB) – Linux Compliance Support

• Deployed and maintained Ansible playbooks to automate patching across enterprise RHEL servers, improving operational efficiency.
• Troubleshot Puppet-managed configurations and performed Qualys-based vulnerability remediation to address security findings and maintain compliance standards.
• Performed L1/L2 troubleshooting and incident resolution for production Linux systems, meeting SLA requirements in a regulated financial services environment.
• Coordinated Linux patching activities, maintained CMDB records, and collaborated with cross-functional teams to execute planned maintenance windows.

System Engineer at Atos IT Global Solutions and Services Pvt.Ltd. (2022-11 – 2024-08)

Project: Agfa Healthcare Linux Support

• Provided L1/L2 Linux server support for enterprise healthcare applications, ensuring the availability of critical hospital systems.
• Performed server patching and maintenance on RHEL/CentOS servers.
• Managed LVM, filesystems, disk allocation, and storage expansion.
• Administered Linux user accounts, groups, permissions, and file ownership.
• Monitored server health, analyzed logs, and resolved production incidents within SLA targets.
• Executed secure server decommissioning following organizational procedures.
• Developed basic shell scripts to automate routine administrative tasks and improve operational efficiency.