Rahul Raj P R
Linux System Administrator
Pattambi
Summary
Highly skilled Linux System Administrator with extensive experience managing Red Hat Enterprise Linux (RHEL) environments, as well as other Linux distributions including Debian, Ubuntu, CentOS, and SUSE. Proficient in system patching, server hardening, and administration using Red Hat Satellite, including Content View creation, automated patching, and system upgrades. Experienced in performing physical-to-virtual (P2V) server migrations, optimizing storage with LVM, and ensuring system stability through proactive monitoring with SolarWinds. Expertise in VMware provisioning, resource management, and troubleshooting critical systems. Possesses a strong foundational knowledge in Docker, Solaris, and networking concepts, with a focus on continuous improvement and maintaining high-performing, secure systems across diverse Linux environments.
Overview
6
6
years of professional experience
3
3
years of post-secondary education
1
1
Certification
3
3
Languages
Work History
Linux Administrator
Tata Consultancy Services
Kochi
07.2023 - Current
- Collaborated with cross-functional teams to design and implement infrastructure improvements, leading to enhanced system stability.
- Performed regular system patching and implemented server hardening best practices to enhance security, reduce vulnerabilities, and ensure compliance with organizational standards.
- Managed Red Hat Satellite for enterprise-wide Linux systems, including the creation and maintenance of Content Views and Lifecycle Environments to streamline software delivery and compliance.
- Automated patching and routine maintenance tasks using Red Hat Satellite by designing scheduled jobs and custom scripts, improving operational efficiency and minimizing manual intervention.
- Performed SSL certificate renewals and version upgrades on Red Hat Satellite and Capsule servers, ensuring secure communications and seamless system functionality across environments.
- Performed in-place upgrades of Red Hat Enterprise Linux systems (e.g., RHEL 7 to RHEL 8) with minimal downtime, ensuring application compatibility, data integrity, and post-upgrade validation.
- Executed end-to-end server migrations, including physical-to-virtual (P2V) and inter-environment transfers, ensuring data integrity, minimal downtime, and seamless transition of services.
- Maintained high availability of critical systems by proactively addressing issues and conducting regular backups.
- Worked closely with development teams to optimize application performance through proper tuning of underlying Linux systems.
- Implemented effective monitoring solutions, allowing for rapid identification and resolution of potential issues before they impacted end users.
- Expert in managing Logical Volume Manager (LVM), including volume creation, resizing, snapshots, and troubleshooting to ensure flexible and efficient storage management across Linux systems.
- Configured and maintained SolarWinds monitoring platform to proactively monitor Linux infrastructure, set up custom alerts, and ensure high availability and performance of critical systems.
- Created detailed documentation on system configuration and troubleshooting guides for reference by both internal staff and external vendors.
- Experienced in provisioning and decommissioning Linux servers within VMware infrastructure, including resource allocation, template deployment, and lifecycle management to support evolving business needs.
- Managed and maintained Linux servers hosted on VMware environments, including performance monitoring, resource optimization, VM snapshotting, and troubleshooting through vSphere/vCenter.
- Conducted root cause analysis of technical issues, implementing preventive measures for future occurrences.
- Ensured smooth hardware upgrades with minimal disruption to users through careful planning and coordination with stakeholders.
- Created and serviced administrator and user accounts on Linux-based systems.
- Possess foundational knowledge of Solaris OS, including basic system administration tasks, user management, and troubleshooting.
- Possess foundational knowledge of Docker, including container creation, image management, and basic orchestration for streamlined application deployment.
- Gained hands-on experience with basic networking tasks, including IP configuration, DNS setup, routing, and establishing secure connections between servers to ensure efficient network communication.
Linux Administrator
Quintet Solutions
02.2022 - 07.2023
- Supported customers running Red Hat Enterprise Linux on workstations and simulation servers ensuring system stability and efficient performance.
- Performed remote administration of Linux servers via SSH, ensuring system health, security, and efficient troubleshooting.
- Executed server migrations and individual account migrations, ensuring seamless data transfer and minimal downtime during the transition.
- Experienced with XEN and KVM virtualization technologies, including virtual machine management, resource allocation, and performance optimization.
- Proficient in managing and administering hosting platforms including cPanel, Plesk, DirectAdmin, and SolusVM, ensuring optimal server performance and efficient customer support.
- Monitored and troubleshot server performance using Nagios, proactively identifying and resolving issues to ensure system availability and reliability.
- Experienced in using WHMCS for billing, client management, and automation of hosting services, ensuring streamlined operations and customer satisfaction..
- Involved in provisioning dedicated server orders via IPMI and iDRAC, ensuring all systems are fully functional and operational before deployment to customers
Technical Support Engineer
Diya Systems
12.2019 - 01.2022
- Responded to user assistance requests and guided individuals through basic troubleshooting steps to resolve issues efficiently.
- Communicated with customers via chat to troubleshoot and resolve issues related to their websites, hosting accounts, and email services.
- Troubleshot and resolved issues related to WordPress websites, ensuring optimal performance, security, and user experience.
- Assisted clients in setting up and configuring email clients, ensuring seamless integration with their email accounts.
- Troubleshot and resolved email and website-related errors, ensuring minimal downtime and optimal functionality for clients..
- Provided remote assistance to clients, ensuring timely resolution of software and hardware concerns.
- Mentored junior members of the team on best practices in issue resolution techniques.
- Enhanced customer satisfaction by resolving complex technical issues promptly and effectively.
Technical Specialist
M-trans Corporation
Kochi
04.2019 - 11.2019
- Trained users on Sharp Printers and Fujitsu Scanners.
- Provided Hardware and Software support to users.
- Installation and maintenance of Sharp Printers and Fujitsu Scanners.
Education
Bachelor of Science - Computer Science
College Of Applied Science
Vattamkulam, Edappal 08.2015 - 04.2018
Skills
Linux server management
Red Hat Satellite and Capsule Server Management
Server Hardening and Security Best Practices
Red Hat Satellite Management (Content View Creation, Automated Patching, and Task Automation)
Server Migration and Account Migration (Physical to Virtual, Server Transfers)
Server Monitoring and Troubleshooting (SolarWinds, Nagios)
undefinedPersonal Details.
- Address: Pandiyath(H)
Naduvattam PO
Pattambi. Pin: 679308
- Gender: Male
- Date of Birth: 19/03/1998
Trainings
- Internship training at I-net info tech in CCNA and RHCE
Languages
- English
- Malayalam
- Tamil
- Hindi
Objective
- Seeking a position to utilize my skills and abilities and achieve professional growth while being resourceful and innovative.
Accomplishments
Xcelerate Warriors Certificate – Recognized by TCS for exceptional performance and dedication in professional development.
On the Spot Award – Awarded by TCS for outstanding contributions to project delivery and team success.
Applause Award – Honored by TCS for exemplary teamwork, leadership, and exceeding performance expectations.
Multiple Best Performer Awards – Recognized by Diya Systems for consistently delivering top-tier performance and achieving business objectives.
High CSAT Award – Earned by Diya Systems for maintaining a high level of customer satisfaction and resolving client issues efficiently.
Certification
Oracle Cloud Infrastructure 2024 Generative AI Certified Professional
Declaration
I Rahul Raj P R here by declare that the information contained here in is true and correct to the best of my knowledge and belief.
Timeline
Linux Administrator
Tata Consultancy Services
07.2023 - Current
Linux Administrator
Quintet Solutions
02.2022 - 07.2023
Technical Support Engineer
Diya Systems
12.2019 - 01.2022
Technical Specialist
M-trans Corporation
04.2019 - 11.2019
Bachelor of Science - Computer Science
College Of Applied Science
08.2015 - 04.2018
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