Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Hobbies and Interests
Languages
Timeline
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Karthikeyan Murugasamy

Coimbatore

Summary

Linux Administrator with 6+ years of experience in managing cloud and on-premise Linux systems and aix systems. Intellectually curious with strong communication, documentation and problem- solving skills.

Overview

7
7
years of professional experience
1
1
Certification

Work History

System Specialist

LTIMindtree
bangalore
06.2025 - 03.2026

Tech Lead

Cognizant Technology Solutions
Chennai
12.2022 - 08.2024
  • Patching and vulnerability remediation of linux systems and troubleshooted booting issues.

System Administrator

Tata Consultancy Services
Kochi
01.2019 - 10.2022
  • Supported 10+ clients with different IT infrastructures (both on-premise and cloud) as part of a shared support model.
  • Configured Linux systems in AWS, GCP, and VMware vCenter, installed and managed patches and software packages using RPM, YUM, and Zypper.
  • Monitored production systems and maintained disk space, CPU/memory usage, user activities, etc. on a day-to-day basis.
  • Performed hardening on RHEL 7 servers as per CIS benchmarks.
  • Managed filesystems using LVM in RHEL, CentOS, SLES, and AIX as well as configured remote CIFS and NFS shares.
  • Developed bash scripts to automate application and system management activities and made necessary crontab entries.
  • Performed installations of Control-M agent, AWS CLI, Acronis agent, etc., and diagnosed OMI agent issues.
  • Hands-on experience with monitoring tools such as SolarWinds SAM, LogicMonitor, Sciencelogic, Zabbix, OBM, Checkmk and WhatsUp Gold. Also, ITSM tools such as ServiceNow, Ivanti Heat, and Symphony Summit.

Education

Bachelor of Technology - Computer Science and Engineering

SNS College of Technology
Tamilnadu, India
06-2018

Higher Secondary Education - Biology

Saratha Higher Sec School
TamilNadu, India
03-2013

Skills

  • Vmware vSphere
  • Security - firewalld, iptables
  • Shell Scripting
  • Patching
  • Mail - Postfix, Sendmail, SMTP
  • Change Management
  • Incident Management
  • Access Management
  • Troubleshooting
  • Critical Thinking
  • Linux system administration
  • Patching management
  • System monitoring
  • Incident management
  • ITIL processes

Certification

ITIL Foundation Certificate in IT Service Management, Internally in TCS

Accomplishments

  • Service and Commitment Award, 01/01/22 - Present, Received in recognition of 3 years of dedicated service.
  • Certificate of Appreciation, Received appreciation along with gems for onboarding new client.

Hobbies and Interests

  • Travel
  • Movies
  • Music

Languages

  • Tamil
  • English, Full Professional Proficiency
  • Tamil, Full Professional Proficiency

Timeline

System Specialist

LTIMindtree
06.2025 - 03.2026

Tech Lead

Cognizant Technology Solutions
12.2022 - 08.2024

System Administrator

Tata Consultancy Services
01.2019 - 10.2022

Bachelor of Technology - Computer Science and Engineering

SNS College of Technology

Higher Secondary Education - Biology

Saratha Higher Sec School
Karthikeyan Murugasamy