Summary
Overview
Work History
Education
Skills
Languages
Tools Handling
Key Skills
Timeline
Generic
ARYA PR

ARYA PR

Kottayam

Summary

Experienced System Engineer / Linux Administrator specializing in optimizing IT infrastructure for enhanced business operations, proficient in Linux system implementation, ensuring strong security, high availability, and optimal performance. Demonstrated ability in troubleshooting and improving system efficiency, prioritizing the timely deployment of upgrades and patches. Effective team collaborator, committed to delivering solutions aligned with organizational objectives. Seeking to contribute technical expertise in a dynamic IT environment.

Overview

4
4
years of professional experience

Work History

Senior Linux Administrator

Infosys
04.2025 - Current
  • Administering Linux servers hosted on Microsoft Azure, ensuring uptime, and scalability.
  • Managing Active Directory (AD) for user and group access, policy enforcement, and security compliance.
  • Utilizing Checkmk for monitoring system health and performance across servers.
  • Performing OS patching, security hardening, and in-place upgrades.
  • Collaborating with cross-functional teams to support business-critical workloads.
  • Monitored performance metrics such as disk space utilization, memory usage, CPU load.
  • Creating and maintaining operational documentation, and adhering to ITIL best practices.
  • Troubleshooting and resolving Citrix-related issues, such as session freezing, stuck logons, slow application launches, and disconnected sessions, by analyzing event logs.

Linux System Engineer

Tata Consultancy Services
01.2021 - 03.2025
  • KEY RESPONSIBILITIES:
  • Provided 24/7 support and worked in rotational shifts.
  • Installed and configured NFS and CIFS.
  • Managed user accounts, including creating, modifying, and deleting users and groups, and assigning permissions.
  • Monitored server performance using tools such as top and ps.
  • Installed and configured Red Hat Enterprise Linux (RHEL & OEL) 8.0/9.0.
  • Performed in-place upgrades from RHEL 7 to RHEL 8, RHEL 8 to RHEL 9, OEL 7 to OEL 8, and OEL 8 to OEL 9.
  • Commissioned and decommissioned servers (RHEL & OEL 7/8/9) based on client requirements.
  • Configured network resources, including adding and configuring virtual NICs.
  • Administered VMware, Oracle VM (OVM), and Hyper-V environments.
  • Conducted vulnerability assessments and managed Red Hat release patches using Red Hat Satellite.
  • Deployed configurations using Ansible playbooks.
  • Installed antivirus software on all Linux servers to ensure maximum data security.
  • Hardened Red Hat servers according to vendor specifications.
  • Created, extended, and reduced LVM, and swap partitions.
  • Channel syncing for the latest patch on the Red Hat Satellite Server.
  • Attaching Red Hat Satellite subscriptions on RHEL VMs.
  • Scheduled tasks using Crontab.
  • Applied ITIL best practices in incident management, problem management, and change management.

Education

Bachelor of Science - Mathematics

Sree Vidyadhi Raja NSS College
Vazhoor
01.2021

Higher Secondary Education -

St.Dominics School
Kanjirappally

Skills

  • Linux-based systems
  • Installation
  • Configuration
  • Troubleshooting
  • Maintenance
  • Servers
  • Workstations
  • System monitoring
  • Performance tuning
  • Security administration
  • Active Directory management
  • Incident management
  • Documentation creation
  • Patch management
  • User management

Languages

English
Proficient (C2)
C2
Malayalam
Native
Native
Hindi
Advanced (C1)
C1
Tamil
Advanced (C1)
C1

Tools Handling

  • Automation: Ansible
  • Virtualization: VMware, Hyper-V, OVM
  • Monitoring tool: ScienceLogic, CheckMK
  • Ticketing tool: ServiceNow , Track Space (Jira)

Key Skills

  • Multitasking ability
  • Innovative, dynamic team player
  • Leadership quality
  • Analytical skills
  • Good communication
  • Reasoning ability

Timeline

Senior Linux Administrator

Infosys
04.2025 - Current

Linux System Engineer

Tata Consultancy Services
01.2021 - 03.2025

Bachelor of Science - Mathematics

Sree Vidyadhi Raja NSS College

Higher Secondary Education -

St.Dominics School

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