Sean Yoon

Reliable, safety-focused, and comfortable working in demanding environments, responding to equipment problems, communicating with customers and contractors, and learning from experienced service technicians. Prepared to begin at the apprentice level and develop strong field-service skills through hands-on training. Hands-on background in commercial equipment maintenance, mechanical and electrical troubleshooting, preventive maintenance, facility operations, and contractor coordination.

Currently completing HVAC pre-apprenticeship training through Emerald Cities Collaborative with training in commercial and residential HVAC systems, airflow, basic electrical concepts, controls, tools, and jobsite safety.

Owner / General Manager - Golden Roosters - Seattle, WA

(2023-08 - 2026-01)

• Performed daily maintenance and troubleshooting on commercial kitchen equipment, refrigeration systems, and other mechanical equipment.
• Identified equipment problems and coordinated timely repairs to maintain safe and reliable operations.
• Used hand and power tools for routine maintenance and minor repairs.
• Worked with electrical, plumbing, and equipment contractors during installations, service calls, and repairs.
• Reviewed repair work and confirmed that equipment was returned to safe operating condition.
• Maintained preventive maintenance routines and responded to equipment issues in a fast-paced commercial environment.
• Followed workplace safety, sanitation, and equipment-operating procedures.
• Communicated clearly with technicians, vendors, employees, and customers regarding equipment and service issues.

Assistant Property Manager - Security Properties Residential - Seattle, WA

(2021-07 - 2022-06)

• Triaged maintenance work orders involving building systems, equipment, and property conditions.
• Worked with on-site maintenance technicians and outside vendors to resolve maintenance issues.
• Supported routine property inspections and identified equipment or facility problems requiring attention.

Administrative Assistant — Facilities Operations - Consulate General of the Republic of Korea - Seattle, WA

(2019-02 - 2021-06)

• Coordinated with HVAC, electrical, plumbing, and general contractors on repairs, upgrades, and construction projects.
• Assisted with facility inspections, repair scheduling, vendor communication, and project follow-up.
• Supported infrastructure oversight during the construction and transition of a new downtown Seattle office facility.

Executive Assistant — Facilities and Property Operations - Consulate General of the Republic of Korea - Houston, TX

(2014-12 - 2019-02)

• Coordinated facility renovations, maintenance projects, and vendor activities for a diplomatic residence and office facility.
• Performed minor physical and mechanical repairs using hand and power tools.
• Developed and coordinated preventive maintenance schedules for aging HVAC and electrical assets.
• Supported facility inspections, maintenance planning, and emergency operating procedures.

Medic - For the Republic of Korea Armed Forces - South Korea

(2008-10 - 2010-09)

• Performed emergency procedures and critical tasks under high-pressure conditions.
• Followed strict safety, procedural, and documentation requirements.
• Awarded Best Medic of the Year in 2009 for dedication and technical performance.

Bachelor of Arts - Double Major: Exercise Science & Health Promotion - New Mexico Highlands University

Pre-Apprentice Student - HVAC Career Preparation Academy - Emerald Cities Collaborative (2026-11)