Lehan Gerreyn
IT MANAGER · NETWORK ADMINISTRATOR
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About
Results-driven IT Manager with 10+ years of experience spanning network administration, IT infrastructure, and operational leadership across Sri Lanka, Oman, and Canada. Proven ability to build and lead high-performing teams, develop custom IT solutions, and drive measurable improvements in system uptime, security, and user satisfaction. Equally adept in technical troubleshooting and customer-facing environments, with a strong track record of managing people, processes, and technology to deliver business outcomes.
Experience
Restaurant Manager at Tim Hortons (2024-01 – Present)
- Led a team of 20+ staff to deliver outstanding customer service at a high-volume location
- Resolved customer complaints efficiently, maintaining high satisfaction standards
- Trained new employees on POS systems, food safety protocols, and service standards
- Managed inventory, daily cash handling, deposits, and scheduling
- Ensured full compliance with company policies and operational procedures
IT Manager at O E H Traders (2018-01 – 2021-12)
- Developed custom IT solutions to address business-specific needs, driving cost savings and efficiency
- Reduced downtime by promptly resolving hardware and software issues with minimal business impact
- Collaborated cross-departmentally to integrate and secure IT systems
- Optimized helpdesk operations through process improvements, increasing response speed and user satisfaction
- Cross-trained staff to maximize team agility and performance
- Resolved internal conflicts through active listening and constructive mediation
Assistant IT Manager at AL Jarwani Groups (2016-01 – 2018-12)
- Optimized server performance via routine maintenance: updates, patches, and backups
- Proactively identified and mitigated IT risks to reduce downtime
- Managed end-to-end IT projects within scope, budget, and timelines
- Standardized device configurations across departments for consistent user experience
- Evaluated and integrated emerging technologies into existing IT ecosystems
- Developed and maintained comprehensive IT documentation, policies, and procedures
- Mentored and led IT team members, fostering professional growth
Network Support Technician at O E H Traders (2013-01 – 2016-12)
- Installed cabling, wireless routers, and telephone systems for data communications networks
- Troubleshot hardware and software to diagnose and resolve network issues
- Traveled to remote locations to install nodes and roll out client software
- Created detailed documentation on common issues to streamline future troubleshooting
- Developed efficient ticketing procedures to reduce response times to network incidents
- Decreased operating costs through strategic system analysis and consolidation recommendations
Education
Advanced Diploma in Hardware with Network – Vocational Training Centre (2014)
Network Administrator Technician – Vocational Training Centre (2014)
