mohanraj poyyalisamy
@mohanrajpoyyalisamy
Dedicated IT System Administrator skilled in systems, networking, and security.
IndiaWhat I'm looking for
I am a dedicated IT System Administrator with extensive hands-on experience maintaining and optimizing Windows, Linux, and macOS environments. I specialize in Active Directory administration, system monitoring, backup and disaster recovery, and conducting security audits to protect infrastructure.
Across roles in India, UAE, Malaysia, and Qatar, I improved system monitoring, strengthened security protocols, and streamlined onboarding and backup processes to minimize downtime and data loss. I have implemented virtualization and cloud-compatible practices while providing technical support to end users and managing servers, workstations, and network components.
I hold certifications including CCNA and RHCE/RHCT and seek to contribute my expertise in system optimization, network management, and security to a dynamic computer hardware or IT environment focused on reliability and business continuity.
Experience
Work history, roles, and key accomplishments
System Admin Officer
Suguna Foods Pvt Ltd
Feb 2024 - Present (1 year 7 months)
Managed IT infrastructure and technical support, improving system monitoring to enable proactive issue detection and strengthening backup and recovery processes to ensure business continuity.
Service Desk Associate
Futurenet Technologies (India) Pvt Ltd
Jan 2023 - Feb 2024 (1 year 1 month)
Monitored computer systems and networks to ensure uptime and data integrity, streamlined backup/restore processes, and proactively identified performance issues to reduce disruptions.
IT Supervisor - Networking
Billon Atom
Aug 2022 - Jan 2023 (5 months)
Supervised networking activities and conducted security audits to identify and mitigate vulnerabilities, maintaining compliance with security policies and improving system integrity.
Technician - Systems
Abu Dhabi National Hotel
Apr 2019 - Dec 2021 (2 years 8 months)
Provided technical support and user account management for hotel IT systems, resolving hardware/software/network issues to minimize downtime and improve user experience.
Technician - Computer Systems
ATA Industrial Sdn Bhd
Oct 2017 - Jun 2018 (8 months)
Set up and configured hardware and network components, maintained operating systems and network file systems to improve staff efficiency and system accessibility.
Technician - Systems
Fitout Interiors & Contracting
Oct 2016 - Aug 2017 (10 months)
Maintained systems and implemented backup and disaster recovery plans, streamlining onboarding and ensuring rapid recovery from data loss events.
Technical Support Engineer
Satvat Infosol Pvt Ltd
Mar 2011 - Jul 2015 (4 years 4 months)
Managed networked IT systems and provided end-user support, improving system uptime through proactive monitoring and timely resolution of hardware and software issues.
System Administrator
Infomak Technologies
Sep 2010 - Feb 2011 (5 months)
Implemented new hardware and OS provisioning, administered network devices and user accounts to improve operational efficiency and data governance.
Education
Degrees, certifications, and relevant coursework
Dr. G.R. Damodaran College of Science
Master of Computer Applications, Computer Applications
2008 - 2010
Completed Master of Computer Applications with focus on application development and systems administration.
Sri S. Ramasamy Naidu Memorial College
Bachelor of Commerce, Computer Applications
2005 - 2007
Completed Bachelor-level studies in computer applications emphasizing business and IT integration.
Nadar Higher Secondary School
HSC, Higher Secondary
2003 - 2004
Completed Higher Secondary Certificate (HSC) with coursework relevant to college preparatory studies.
Nadar Higher Secondary School
SSLC, Secondary Education
2001 - 2002
Completed Secondary School Leaving Certificate (SSLC) serving as foundational general education.
Availability
Location
IndiaAuthorized to work in
Job categories
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