Ammonia Refrigeration Technician

Integriti; San Antonio (TX); On-site; USD 34,000 - 49,000; Full time

Job summary

Integriti in San Antonio, TX is seeking an Ammonia Refrigeration Technician to operate, maintain, troubleshoot, and repair industrial ammonia refrigeration systems and related utility equipment in a food manufacturing setting.

The ideal candidate has hands-on industrial refrigeration experience, strong troubleshooting skills, and a commitment to workplace safety and operational standards. The role offers competitive hourly wages and opportunities for growth within the maintenance team.

Qualifications

• Minimum of 2 years of ammonia refrigeration experience in an industrial refrigeration environment and food manufacturing facility.
• GCAP or RETA ammonia refrigeration certification.
• EPA Type II certification.
• Must pass a respirator fit test and pulmonary function test.
• Must complete a 24-hour HAZMAT training course.
• Knowledge of general maintenance, electrical systems, and electronic systems.
• Ability to work independently with minimal supervision and collaborate with a team.
• Understanding of LOTO, GMPs, and PSM requirements.

Responsibilities

• Operate, test, troubleshoot, and repair ammonia refrigeration systems, subsystems, and related equipment.
• Maintain and troubleshoot boilers, hot water systems, domestic cold water systems, and compressed air systems.
• Perform planned and preventive maintenance on ammonia refrigeration and utility systems.
• Operate and maintain spiral freezers.
• Maintain refrigeration and utility rooms according to safety standards.
• Perform pump-down procedures for repairing or replacing components.
• Complete required documentation including PSM modifications and work orders.
• Maintain accurate digital maintenance records.
• Conduct daily inspections and monitor temperatures and operating conditions.
• Perform chemical testing on boilers and condenser towers.
• Follow safety policies, GMPs, and SOPs.
• Perform additional duties as assigned by the Maintenance or Refrigeration Manager.

Skills

Ammonia refrigeration

Troubleshooting

Maintenance

Electrical systems

Team collaboration

Safety compliance

LOTO/PSM/GMPs

Education

GCAP or RETA ammonia refrigeration certification

EPA Type II certification

Job description

Location: San Antonio, TX, USA
Salary: $30 per hour ($62,400 annually, based on 40 hours per week and 52 weeks per year)

Position Overview

We are seeking a skilled Ammonia Refrigeration Technician to operate, maintain, troubleshoot, and repair industrial ammonia refrigeration systems and related utility equipment in a food manufacturing environment.

The ideal candidate will have hands‑on industrial refrigeration experience, strong technical troubleshooting skills, and a commitment to workplace safety and operational standards.

Required Qualifications

• Minimum of 2 years of ammonia refrigeration experience in an industrial refrigeration environment and food manufacturing facility.
• 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 HAZMAT training course.
• Knowledge of general maintenance, electrical systems, and electronic systems.
• Ability to work independently with minimal supervision and collaborate effectively with a team.
• Understanding of Lockout/Tagout (LOTO), Good Manufacturing Practices (GMPs), and Process Safety Management (PSM) requirements.

Key Responsibilities

• Operate, test, troubleshoot, and repair ammonia refrigeration systems, subsystems, and associated auxiliary equipment.
• Maintain and troubleshoot boilers, hot water systems, domestic cold water systems, and compressed air systems.
• Perform planned and preventive 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 for repairing or replacing refrigeration components.
• Complete required documentation, including PSM-related modifications, work orders, and refrigeration system operating records.
• Maintain accurate digital maintenance, refrigeration, and ammonia system records.
• Conduct daily inspections and monitor temperatures and operating conditions of ammonia systems.
• Perform chemical testing on boilers and condenser towers.
• Follow all applicable safety policies, GMPs, and Standard Operating Procedures (SOPs).
• Perform additional duties as assigned by the Maintenance or Refrigeration Manager.