Senior Reefer Technician

Have you got what it takes to succeed The following information should be read carefully by all candidates.

Craftsmen Utility Trailer, a predominant leader in the transportation industry, is expanding and looking to add a Senior Reefer Technician to our growing team located in St. Charles, MO. We are looking for a highly skilled and experienced Senior Reefer Technician to lead diagnostics, repairs, and preventive maintenance on transport refrigeration units. This role requires advanced technical expertise in diesel-powered and electric refrigeration systems, excellent troubleshooting ability, and a leadership mindset. The Senior Reefer Technician will serve as a subject matter expert and mentor to junior technicians, ensuring high standards of quality, safety, and efficiency in reefer maintenance operations.

• Key Responsibilities :
• Perform complex diagnostics and repairs on a wide range of transport refrigeration units (e.g., Thermo King, Carrier, Cargo Bull).
• Lead troubleshooting and root cause analysis on refrigeration, electrical, and mechanical issues.
• Oversee and execute scheduled preventative maintenance to minimize downtime.
• Recharge refrigeration systems and handle refrigerants in compliance with EPA regulations.
• Provide technical guidance and on-the-job training to junior technicians when needed.
• Ensure proper documentation of work performed, parts used, and repairs completed.
• Monitor and uphold safety, compliance, and environmental standards at all times.
• Coordinate with shop office to prioritize repair schedules and minimize service disruptions.
• Maintain inventory of tools, equipment, and parts; recommend purchases or improvements.
• Perform general trailer repairs when necessary.
• Qualifications :
• High school diploma or GED required; technical or vocational training in refrigeration strongly preferred.
• 5+ years of hands-on experience with transport refrigeration systems.
• Extensive knowledge of reefer unit diagnostics, repair, and performance tuning.
• EPA 608 Universal Certification required.
• Ability to read and interpret technical manuals, schematics, and wiring diagrams.
• Proficient in the use of diagnostic software and tools.
• Strong understanding of diesel engines, electrical systems, and refrigerant handling.
• Valid Class E driver’s license; CDL a plus.
• Excellent communication and leadership skills.
• Ability to work both independently and as a part of a team.
• Preferred Qualifications :
• OEM certifications from Thermo King, Carrier Transicold, or equivalent.
• Prior experience supervising or mentoring maintenance personnel.
• Welding / fabrication experience.

Join our team as a Senior Reefer Technician where your skills will be valued, and you will have the opportunity to grow in your career while contributing to our mission of providing exceptional service.

Job Type : Full-time

Pay : $33.00 - $40.00 per hour

Expected hours : 40 per week

Benefits :
• 401(k)
• 401(k) matching
• AD&D insurance
• Dental insurance
• Employee assistance program
• Flexible spending account
• Health insurance
• Life insurance
• Paid time off
• Referral program
• Vision insurance

Ability to Commute :

• Saint Charles, MO 63301 (Required)

Ability to Relocate :

• Saint Charles, MO 63301 : Relocate before starting work (Required)

Work Location : In person