2nd Shift Ammonia Refrigeration Tech - Dallas (On-Call)

MAC Incorporated; Dallas (TX); On-site; USD 43,000 - 51,000; Full time

Benefits offered by this job

Health benefits after 30 days (80% of

1 week PTO accrual

Job summary

MAC Incorporated in Dallas, TX is seeking a skilled Ammonia Refrigeration Technician for 2nd shift in a large manufacturing plant.

You will operate and maintain ammonia refrigeration systems, boilers, and HVAC; perform preventive maintenance and repairs; keep logs; ensure safety and GMP/USDA compliance.

Must have 5–10 years of hands-on ammonia-based refrigeration experience; certificates such as CARO, RETA, Ammonia Operator 1 are preferred; willing to work Mon-Sat and be on-call.

Qualifications

• 5–10 years of hands-on ammonia-based refrigeration experience.
• Strong HVAC repair and maintenance skills.
• Bilingual in English/Spanish strongly preferred.
• Willingness to work on an on-call basis.
• Commitment to GMPs and USDA regulations.

Responsibilities

• Operate and maintain ammonia refrigeration systems and related equipment.
• Perform preventive maintenance, troubleshooting, and repairs.
• Keep accurate logs of operating conditions and performance.
• Collaborate with team members to identify and resolve issues.
• Ensure compliance with safety rules, GMPs, and USDA standards.
• Maintain plumbing, electrical, and HVAC systems and repairs.
• Inspect and test machinery with operators to determine root causes.
• Work with PLC controls, VFD drives, and instrumentation.

Skills

Ammonia refrigeration

HVAC repair

On-site maintenance

Team collaboration

Reading schematics

Education

CARO certification

RETA certification

Ammonia Operator 1

Job description

MAC Incorporated in Dallas, TX is seeking a skilled Ammonia Refrigeration Technician for 2nd shift in a large manufacturing plant.

You will operate and maintain ammonia refrigeration systems, boilers, and HVAC; perform preventive maintenance and repairs; keep logs; ensure safety and GMP/USDA compliance.

Must have 5–10 years of hands-on ammonia-based refrigeration experience; certificates such as CARO, RETA, Ammonia Operator 1 are preferred; willing to work Mon-Sat and be on-call.