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mohanraj poyyalisamy

@mohanrajpoyyalisamy

Dedicated IT System Administrator skilled in systems, networking, and security.

India
Message

What I'm looking for

I’m seeking a systems or network role where I can improve reliability, security, and backup/disaster recovery while supporting users and optimizing infrastructure.

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

AH

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.

Education

Degrees, certifications, and relevant coursework

DS

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.

SC

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.

NS

Nadar Higher Secondary School

HSC, Higher Secondary

2003 - 2004

Completed Higher Secondary Certificate (HSC) with coursework relevant to college preparatory studies.

NS

Nadar Higher Secondary School

SSLC, Secondary Education

2001 - 2002

Completed Secondary School Leaving Certificate (SSLC) serving as foundational general education.

Tech stack

Software and tools used professionally

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