Ammonia Refrigeration Technician

Mariforce Crewing; Texas; On-site; USD 34,000 - 48,000; Full time

Job summary

Sterling, United States – Ammonia Refrigeration Technician position in a food manufacturing setting. The role covers operation, maintenance, troubleshooting, and repair of ammonia refrigeration systems and related utilities.

Ideal candidates will have hands-on ammonia refrigeration experience, a solid grasp of safety procedures, and the ability to work independently or with minimal supervision. Training and certification requirements emphasize GMPs, PSM, and safety compliance.

Qualifications

• Minimum 2 years of ammonia refrigeration experience in an industrial refrigeration and food manufacturing environment.
• Certification from GCAP or RETA in ammonia refrigeration.
• EPA Type II certification.
• Must pass a respirator fit test and pulmonary function test.
• Must complete a 24-hour HAZMAT training course.
• General maintenance, electrical, and electronic systems knowledge.
• Adhere to GMPs and PSM regulations.

Responsibilities

• Operate, test, troubleshoot, and repair ammonia refrigeration systems, subsystems, and related equipment.
• Perform preventive maintenance on ammonia refrigeration and utility systems.
• Operate and maintain spiral freezers.
• Keep refrigeration and utility rooms in compliance with safety standards.
• Perform pump-down procedures for repairing or replacing components.
• Document work orders, PSM modifications, system changes, and logs.
• Maintain digital records for maintenance and ammonia systems.
• Conduct daily inspections and monitor temperatures and operating conditions.
• Perform chemical testing on boilers and condenser towers.
• Follow Lockout/Tagout (LOTO), GMPs, and SOPs.

Skills

Ammonia refrigeration experience

Industrial safety awareness

Troubleshooting

Education

GCAP/RETA ammonia refrigeration certification

EPA Type II certification

HAZMAT training qualification

Job description

Sterling, United States | Posted on 04/11/2026

We are seeking a skilled Ammonia Refrigeration Technician to support the operation, maintenance, troubleshooting, and repair of industrial refrigeration and utility systems in a food manufacturing environment.

The ideal candidate will have hands-on experience with ammonia refrigeration systems, a strong understanding of industrial safety procedures, and the ability to work independently or as part of a team with minimal supervision.

Required Qualifications

• Minimum of 2 years of ammonia refrigeration experience in an industrial refrigeration and food manufacturing environment.
• Must hold an ammonia refrigeration certification from GCAP or RETA.
• Must hold an EPA Type II certification.
• Must be able to pass a respirator fit test and pulmonary function test.
• Must be able to complete a 24-hour hazardous materials (HAZMAT) training course.
• Working knowledge of general maintenance, electrical systems, and electronic systems.
• Ability to follow safety policies, Good Manufacturing Practices (GMPs), and Process Safety Management (PSM) regulations.

Key Responsibilities

• Operate, test, troubleshoot, and repair ammonia refrigeration systems, subsystems, and associated auxiliary equipment.
• Perform preventive and planned maintenance on ammonia refrigeration and utility systems.
• Operate and maintain spiral freezers.
• Maintain refrigeration and utility rooms according to established operational and safety standards.
• Perform or learn ammonia system pump-down procedures required for repairing or replacing refrigeration components.
• Complete required documentation, including PSM-related modifications, work orders, system changes, and refrigeration operating logs.
• Maintain accurate digital records for maintenance, refrigeration operations, and ammonia systems.
• Conduct daily inspections and monitor system temperatures and operating conditions.
• Perform chemical testing on boilers and condenser towers.
• Follow all safety policies, including Lockout/Tagout (LOTO), GMPs, and Standard Operating Procedures (SOPs).
• Perform additional duties as assigned by the Maintenance or Refrigeration Manager.