Specialty Refrigeration Technician

We are seeking an experienced refrigeration professional for a specialized role supporting critical laboratory refrigeration equipment across Sonora Quest Laboratories. As a Biomedical Refrigeration Specialist, you'll work on ultra-low temperature (ULT) freezers, biomedical refrigerators, and other essential systems that support patient testing and healthcare operations. This is an excellent opportunity for a seasoned professional who enjoys troubleshooting complex equipment and wants to make a meaningful impact. Join our team and come do great work on behalf of better health!
POSITION SUMMARY
This position is responsible for the inspection, maintenance, calibration, and repair of specialized laboratory refrigeration systems used in clinical, research, and diagnostic environments. This position ensures that all cold-storage equipment supporting patient testing, specimen integrity, reagents, and research materials operate safely, reliably, and in compliance with regulatory and accreditation standards. The equipment includes ultra-low temperature (ULT) freezers (−40°C to −86°C), biomedical refrigerators and freezers, refrigerated centrifuges, incubators with cooling systems, and any laboratory equipment that incorporates a refrigeration system.
Performs all functions according to established policies, procedures, regulatory and accreditation requirements, as well as applicable professional standards.
PHYSICAL DEMANDS/ENVIRONMENT FACTORS
Requires reading, writing, verbal communication skills, stooping, bending, reaching, kneeling and standing for long periods. Mechanical aptitude, ability to lift up to 75 pounds and work under stress of deadlines. Ability to work varied hours when needed. Work is performed in an (OSHA 1) work environment. Exposure to laboratory environments, including biohazardous materials, chemicals, cryogenic temperatures, and high temperature discharge areas. Requires proper PPE and adherence to safety protocols. Travel to multiple facilities, occasionally for short periods.
KNOWLEDGE, SKILLS AND ABILITIES

• Strong understanding of laboratory refrigeration systems, including cascade refrigeration, ULT freezer technology, and other specialized refrigeration equipment.
• Ability to read and interpret wiring diagrams, schematics, flow charts, and technical manuals.
• Proficiency with AC/DC electronics, electromechanical systems, sensors, controls, and refrigeration cycles.
• Basic computer skills for documentation and navigation of maintenance software and Microsoft Office.
• Effective communication skills for interacting with clinical staff and vendors.
• Ability to perform basic mathematical calculations related to diagnostics and calibration.
• Knowledge of electrical systems, electronics, electromechanics, and basic pneumatics/hydraulics.
• Demonstrated ability to interpret technical diagrams and troubleshoot complex systems.
• Experience with ultra low temperature freezers and biomedical or laboratory refrigeration equipment.

MINIMUM QUALIFICATIONS

• High school diploma or equivalent
• Four (4) years of experience in refrigeration or HVAC repair, preferably in a biomedical or laboratory environment.
• Current refrigeration certification (e.g., EPA 608 Type I–II–III or Universal, NATE, HVAC Excellence).
• Valid state driver’s license and insurability.
• Ability to travel regularly throughout Arizona, including occasional overnight stays.

PREFERRED QUALIFICATIONS

• Technical training or certifications in biomedical engineering, laboratory equipment repair, or advanced refrigeration systems.
• Experience working in clinical, research, or hospital environments.
• Additional related education and/or experience.

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