RAJANANTHAN KAILAINATHAN
Toronto,ON
Summary
Detail-oriented IT technician with expertise in configuring firewalls, administering Active Directory, and providing top-notch help desk support. Proven track record in identifying and resolving network vulnerabilities while ensuring the security and privacy of systems. Committed to safeguarding organizations against cyber threats through preventive measures.
Overview
14
14
years of professional experience
Work History
Network Specialist
Provision Solutions
SCARBOROUGH, Ontario
07.2012 - Current
- Administered, maintained, and supported secure network systems
- Optimized network capabilities and connectivity through monitoring tools
- Installed and configured routers, switches, and wireless controllers
- Collaborated with external vendors to implement voice and data wiring infrastructure.
Help Desk Support - Contract
Covenant House
TORONTO, Ontario
07.2023 - 10.2023
- Installed, maintained, and supported end-user devices, including computers, printers, scanners, photocopiers, and peripherals
- Resolved hardware problems and documented resolutions to prevent future issues
- Ensured network and computer system security using Azure Sentinel
- Provided exceptional customer service and productivity solutions for clients
- Evaluated and documented resolutions and suggested ways to prevent future problems.
CompuCom, Configuration Technician
MBI Services
Toronto, Markham, Ontario
05.2022 - 09.2022
- Refurbished and re-imaged laptops and PCs, including memory upgrades
- Conducted diagnostic tests and resolved identified issues
- Securely deleted data from hard drives using military-grade applications.
Computer System Field Technician
Elections Ontario
Toronto, Ontario
05.2022 - 06.2022
- Assisted in setting up laptops and databases for the provincial elections
- Triaged router and hardware issues and performed diagnostic tests on printers
- Performed diagnostic tests on printers that were used in the poll locations
- Investigated issues during the election day pertaining to laptops on-poll locations
- Re-imaged all training laptops and assisted in troubleshooting.
Computer System Operations Technician
Moneris
Ajax, Ontario
02.2020 - 08.2021
- Identified hardware issues caused by component failures using approved diagnostic tools
- Configured computers to network drivers and connected to printers and other peripheral equipment
- Maintained network infrastructure and services using DNS, DHCP, Remote Desktop
- Assisted in server and POS installations, delivering effective solutions to users.
Computer Repair Technician
IBM
Scarborough, Ontario
03.2011 - 06.2012
- Monitored systems to meet service-level agreements and ensured security
- Updated software versions with patches and new installations to minimize security loopholes and protect users
- Installed motherboards, processors, and graphics cards
- Diagnosed and resolved hardware issues and collaborated with users.
IT Support Specialist (Intern)
Aviva
Scarborough, Ontario
06.2010 - 12.2011
- Imaged laptops and desktops for incoming employees and loading required software and server permissions
- Maintained and supported systems, workstations, mobile devices, printers, and peripherals
- Monitored service orders to completion and closed service tickets
- Installed anti-virus software to remove malware from laptops and desktop systems
- Configured access to servers and file management software for users.
Education
Certificate in Cybersecurity -
University of Toronto
03.2023
CompTIA A+ Certificate -
CompTIA
03.2012
Diploma in Progress - Computer Network -
Centennial College
Skills
- Configuring firewalls and anti-virus software
- Desktop Application installations
- TCP/IP, DNS, VPN, CISCO Routers & CISCO Switches Printers, Tablets, Laptops, Smartphones
- Identifying vulnerabilities and indicators of compromise
- Identifying suspicious behavior using Splunk and windows attack and Apache server logs
- Active Directory Linux Administration
- Windows Server Administration
- Help desk support
- Configuring machines on virtual networks on Azure
- Conducting vulnerability assessment
- Knowledge of Penetration testing using Kali Linux
Timeline
Help Desk Support - Contract
Covenant House
07.2023 - 10.2023
CompuCom, Configuration Technician
MBI Services
05.2022 - 09.2022
Computer System Field Technician
Elections Ontario
05.2022 - 06.2022
Computer System Operations Technician
Moneris
02.2020 - 08.2021
Network Specialist
Provision Solutions
07.2012 - Current
Computer Repair Technician
IBM
03.2011 - 06.2012
IT Support Specialist (Intern)
Aviva
06.2010 - 12.2011
Certificate in Cybersecurity -
University of Toronto
CompTIA A+ Certificate -
CompTIA
Diploma in Progress - Computer Network -
Centennial College
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