Yunseong Eric Joo
Toronto,ON
Summary
Junior Estimator candidate with hands-on HVAC field experience, currently completing a Certificate in Construction Estimating at Seneca Polytechnic. Learning construction drawings, quantity takeoffs, and basic estimating. Experienced with job-site measurements, materials, and equipment, with previous Operations Manager experience in pricing, inventory, and supplier costs. Seeking a Junior Sprinkler Estimator role to apply my field experience and learn fire protection estimating.
Overview
1
1
year of professional experience
Work History
HVAC Technician
Well Being Air System
Toronto, Ontario
04.2026 - Current
- Supported installation and servicing of residential/light commercial HVAC systems, contributing to timely project completion.
- Measured job sites and verified mechanical drawings for accurate placement of ductwork and equipment, ensuring compliance with specifications.
- Organized and maintained tools, materials, and equipment on site, facilitating efficient daily installation tasks.
Semi-Pro Soccer Player
Master'sFA
Scarborough
03.2025 - 08.2026
- Balanced high-intensity training schedules with competitive match play while managing work and academic commitments to enhance performance.
- Collaborated with team members under pressure to foster unity and improve team dynamics during competitions.
- Exhibited strong work ethic and physical discipline through consistent self-management, contributing to personal and team development.
Operations Manager
Self Imployed
Toronto, Ontario
10.2025 - 03.2026
- Oversaw end-to-end operations for e-commerce business generating approximately $380,000 in revenue.
- Managed product costing, inventory control, pricing, and margin analysis, driving profitability.
- Prepared and reviewed cost calculations considering materials, supplier pricing, packaging, logistics, and operating expenses, supporting informed decision-making.
- Maintained detailed records of inventory quantities, purchase costs, sales, and operating expenses, enabling data-driven strategic decisions.
Education
Diploma - Building System Engineering Technician
Seneca Polytechnic
Toronto, ON12-2027
Diploma - I'NTL Trades & Custom
Seneca Polytechnic
Toronto, ON12-2026
Skills
- HVAC system installation
- Inventory Control
- MS Office, Excel
- Technical writing
- Problem solving
- Time management
- Team collaboration
- Work ethic
Timeline
HVAC Technician
Well Being Air System
04.2026 - Current
Operations Manager
Self Imployed
10.2025 - 03.2026
Semi-Pro Soccer Player
Master'sFA
03.2025 - 08.2026
Diploma - Building System Engineering Technician
Seneca Polytechnic
Diploma - I'NTL Trades & Custom
Seneca Polytechnic