Dominic Magana
Visalia,CA
Summary
Ammonia refrigeration technician with over 10 years of experience and a strong background in maintenance, repair, and troubleshooting of industrial refrigeration systems. Possess comprehensive knowledge of safety regulations and ammonia refrigeration principles. Well-rounded technician with the ability to work alone or in a team to ensure operational efficiency, reduce downtime, and adhere to preventive maintenance routines.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Ammonia Refrigeration Technician 2
Clauger
Visalia, CA
07.2025 - 04.2026
- See below
Ammonia Refrigeration Technician
Ammonia Refrigeration Service Inc.
Visalia, CA
10.2016 - 07.2025
- Assessed system operations to identify potential areas requiring maintenance services.
- Assisted with troubleshooting complex problems related to ammonia refrigeration systems.
- Repaired parts by using technical knowledge, special tools and soldering skills.
- Mounted compressors, condensers and other components in specified locations using hand tools and various welding equipment.
- Conducted safety checks on all equipment and reported any issues to management immediately.
- Observed safe work practices and conducted safety inspections to reduce workplace accidents.
- Monitored levels of ammonia in the system to ensure safe operations.
- Led teams to complete large installation projects on time and within specific parameters outlined in customer documentation.
- Inspected and tested system components for proper operation.
- Responded quickly to emergency situations involving ammonia refrigeration systems.
- Tested electrical circuits associated with the ammonia refrigeration system for continuity using an ohmmeter.
- Performed troubleshooting and specific diagnostic tests to diagnose malfunctions.
- Calibrated pressure and temperature gauges to ensure accurate readings.
- Performed preventative maintenance on ammonia refrigeration systems and components.
- Trained personnel on safe handling procedures for maintaining ammonia refrigeration systems.
- Repaired or replaced faulty valves, pumps, compressors, condensers, evaporators and other equipment in the system.
- Conducted routine maintenance and repairs on mechanical systems and industrial equipment.
Industrial Refrigeration Temp
NH3 Plus
Fresno, CA
06.2012 - 06.2015
- Worked at NH3 plus for 3 years as a temp learning different hands on techniques to operate and maintain the refrigerator system.
Education
Ammonia Operator 1
Garden City Ammonia Program
02-2015
Skills
- Ammonia systems maintenance
- Emergency response
- System troubleshooting
- Safety inspections
- Pressure calibration
- Equipment repair
- Motor alignment
Certification
- EPA 608 Universal Certification
Timeline
Ammonia Refrigeration Technician 2
Clauger
07.2025 - 04.2026
Ammonia Refrigeration Technician
Ammonia Refrigeration Service Inc.
10.2016 - 07.2025
Industrial Refrigeration Temp
NH3 Plus
06.2012 - 06.2015
Ammonia Operator 1
Garden City Ammonia Program