Senior Refrigeration Technician – Ammonia & Controls Pro

Americold Logistics, LLC. in; Marshall (MO); On-site; USD 70,000 - 90,000; Full time

Job summary

Americold Logistics, LLC. seeks a Refrigeration Technician III to perform advanced maintenance and repair of ammonia refrigeration systems in a warehouse environment.

You will oversee contractor work and ensure compliance with 6S and safety protocols while optimizing reliability across machinery. The role requires strong troubleshooting across refrigeration, electrical, mechanical, and control systems, plus CMMS data retention and training of junior staff.

Qualifications

• High school diploma or GED required.
• 5+ years of Industrial Refrigeration maintenance, including Ammonia refrigeration.
• Completion of Industrial Refrigeration and Mechanical-Electrical courses.
• Troubleshooting experience with control systems such as ALTA/Allen Bradley.
• Hazmat training and certification required.
• Experience with Computerized Maintenance Management System (CMMS).

Responsibilities

• Defines and sets up operational settings for refrigeration equipment (superheat, regulators, pressure, defrost cycles).
• Monitor system performance and optimize operation.
• Pumps out/evacuates refrigerant for component replacement.
• Troubleshoot refrigeration, electrical, mechanical, and controls systems to root cause and recommend actions.
• Replace components with safe LOTO procedures per PSM.
• Perform routine and complex maintenance per OSHA standards.
• Participate in Maintenance/Refrigeration/Energy Excellence initiatives and Americold Operating System (AOS).
• Share knowledge and assist in training less experienced technicians.
• Inspect work of internal and external technicians for compliance and quality.
• Test safety equipment to ensure OSHA standards.
• Maintain preventive/predictive maintenance records in the CMMS.
• Keep work area 6S’d and perform housekeeping.
• Work flexible shifts, including on-call.
• Additional duties as required.

Skills

Advanced refrigeration maintenance

Troubleshooting

LOTO safety procedures

Independent work

Contractor supervision

6S housekeeping

OSHA compliance

Education

High school diploma or GED

Industrial Refrigeration and Mechanical-Electrical courses

Hazmat training certification

RETA CIRO/CARO certifications

Control systems experience (ALTA/Allen Bradley)

Tools

CMMS (Oracle CMMS)

Job description

Americold Logistics, LLC. seeks a Refrigeration Technician III to perform advanced maintenance and repair of ammonia refrigeration systems in a warehouse environment.

You will oversee contractor work and ensure compliance with 6S and safety protocols while optimizing reliability across machinery. The role requires strong troubleshooting across refrigeration, electrical, mechanical, and control systems, plus CMMS data retention and training of junior staff.