Juan Sosa
Castro Valley,CA
Summary
Initiated career as on-site maintenance technician, addressing comprehensive building needs and gaining mentorship from chief engineer in ammonia refrigeration systems within 100,000 square foot warehouse. This brought me to my career in commercial. Fast at troubleshooting and good at making things work when not going as planned. Extensive knowledge of multiple EMS systems. Great with store managers.
Overview
18
18
years of professional experience
Work History
Service Technician
Climate pros
Hayward, CA
09.2020 - 09.2026
- Conducted routine service calls on HVAC and commercial refrigeration systems.
- installations on new equipment
- Executed start-ups post-construction to verify operational readiness.
- Responded promptly to emergency service calls to resolve urgent problems.
- Collaborated with team members to troubleshoot complex service issues.
Service Technician
PMC
stockton
04.2017 - 03.2020
- Ran service calls for customers
- Diagnosed issues in heating and cooling systems efficiently.
- Responded on call as needed
On site technician
Deans services
11.2008 - 03.2017
- equipment maintenance and building repair
- building electrical
- industrial refrigeration service and preventive maintenance
- anhydrous ammonia system
- universal warehouse repairs and maintenance
Skills
- HVAC troubleshooting
- Commercial refrigeration
- Equipment installation
- Preventive maintenance
- Emergency response
- Team collaboration
- industrial refrigeration
Timeline
Service Technician
Climate pros
09.2020 - 09.2026
Service Technician
PMC
04.2017 - 03.2020
On site technician
Deans services
11.2008 - 03.2017