Les Komaromi
Brampton,ON
Summary
Dynamic Network Specialist with extensive experience at Canadian Tire Corporation, adept in routing protocols and network security management. Successfully developed and implemented the first IP retail network, enhancing connectivity and performance. Proven ability to troubleshoot complex issues and collaborate with cross-functional teams to drive seamless integration of new applications.
Overview
40
40
years of professional experience
Work History
Network Specialist
Canadian Tire Corporation
Hybrid
10.2000 - 09.2025
- Maintain and Operate the companies POS network switch and at the time, their x.25 and Frame-relay networks.
- Develop, implement and maintain the first IP 'retail' network utilizing a Bell MPLS network, and later expanded to public internet/VPN.
- Configuration development and installation of routers, switches, and access points to ensure optimal network functionality and security.
- Coordinated with cross-functional teams to ensure seamless integration of new applications into the existing network infrastructure.
- Monitored network traffic using diagnostic tools to identify potential problems.
- Assisted in troubleshooting network connectivity issues to enhance system performance.
Systems Programmer
CIBC
Toronto, ON
04.1997 - 03.1999
- Install and Maintain all aspects of the banks mainframe infrastructure (IBM System 390).
- Upgrade and test all software to ensure Y2K compliance.
Systems Programmer
Kmartcorp
Brampton, ON
07.1985 - 01.1997
- Install and maintain all aspects of software and hardware on the companies mainframe system.
- Operate the companies POS system switch (Stratus VOS) as well as out visanet uplinks
- Maintain the x.25 POS network.
- Install and operate the corporate LAN/WAN
Education
Cisco, Juniper, Pfsense - Network And System Administration
Various Self-study Courses
N/ASkills
- Switching technologies
- Network troubleshooting
- Routing protocols BGP OSPF, EIGRP
- Network security management
- Software-defined networking
- VPN implementation experience
- Disaster recovery planning
Languages
English
Full Professional
Timeline
Network Specialist
Canadian Tire Corporation
10.2000 - 09.2025
Systems Programmer
CIBC
04.1997 - 03.1999
Systems Programmer
Kmartcorp
07.1985 - 01.1997
Cisco, Juniper, Pfsense - Network And System Administration
Various Self-study Courses