Senior Ammonia Refrigeration & Utility Technician

Bronco Wine Company; Ceres (CA); Hybrid; USD 86,621,000 - 108,886,000; Full time

Benefits offered by this job

Medical

Vision

401K

Paid time off

Group Short-Term Disability

Group Long-Term Disability

Job summary

Bronco Wine Company is seeking a Maintenance Mechanic 3 in Ceres, CA to lead advanced maintenance on winery equipment and critical plant systems. The role requires diagnosing complex problems, performing major repairs, and mentoring junior mechanics to ensure reliability, safety, and compliance with maintenance practices.

You will work onsite with a focus on ammonia refrigeration, HVAC/R, utilities, and process equipment, contributing to continuous improvement and operational excellence.

Qualifications

• 5+ years industrial maintenance experience.
• Experience troubleshooting electrical systems (motors, VFDs, PLCs).
• Strong knowledge of ammonia refrigeration and HVAC/R.

Responsibilities

• Troubleshoot, repair, and maintain winery processing equipment and utilities.
• Own advanced ammonia refrigeration and HVAC/R systems.
• Diagnose and fix complex mechanical and electrical failures.
• Provide guidance to Mechanic 1 and 2 staff.
• Maintain accurate maintenance records in CMMS.

Skills

Industrial maintenance

Electrical systems

Troubleshooting

HVAC/R

Ammonia refrigeration

PLCs

Safety practices

Education

High school diploma or GED

Technical school or certification in related trade

Tools

CMMS

Job description

Bronco Wine Company is seeking a Maintenance Mechanic 3 in Ceres, CA to lead advanced maintenance on winery equipment and critical plant systems. The role requires diagnosing complex problems, performing major repairs, and mentoring junior mechanics to ensure reliability, safety, and compliance with maintenance practices.

You will work onsite with a focus on ammonia refrigeration, HVAC/R, utilities, and process equipment, contributing to continuous improvement and operational excellence.