Industrial Refrigeration Mechanic-Ammonia/CO2

Jobot; Tucson (AZ); In loco; USD 157.597.000 - 171.924.000; Tempo pieno

Vantaggi offerti da questo lavoro

Union Benefits

Great Culture

Competitive base pay

Descrizione del lavoro

Jobot is seeking an Industrial Refrigeration Mechanic to install, maintain, troubleshoot, and repair ammonia (R-717) and CO2 (R-744) systems in industrial facilities around Tucson. The candidate should have hands-on experience with rotary screw compressors and a strong commitment to safety and regulatory compliance.

This on-site, permanent role offers competitive pay and benefits, including union benefits and a culture that encourages expertise sharing.

Competenze

• 5+ years hands-on experience as an industrial mechanic or refrigeration technician.
• Experience with ammonia (R-717) refrigeration systems.
• Experience with CO₂ (R-744) refrigeration systems (transcritical, subcritical, or cascade).
• Strong hands-on maintenance with rotary screw compressors.
• Ammonia Refrigeration I & II training and RETA certification (CARO or CIRO).
• OSHA PSM (29 CFR 1910.119), EPA RMP, and IIAR standards knowledge.
• Strong mechanical aptitude with precision tools and diagnostic instruments.
• Valid driver's license.

Mansioni

• Perform preventive, predictive, and corrective maintenance on industrial ammonia and CO₂ systems.
• Service, overhaul, align, and troubleshoot rotary screw compressors.
• Diagnose system performance and optimize efficiency and energy use.
• Safely perform pump-downs, refrigerant charging, leak detection, and lockout/tagout procedures.
• Maintain logs and documentation for PSM/RMP compliance.
• Participate in PHAs, MOC, mechanical integrity inspections, and emergency response.
• Read P&IDs and electrical schematics; work with PLC-based control panels.
• Respond to after-hours calls and participate in on-call rotation.
• Mentor and support junior technicians and operators.

Conoscenze

Ammonia Refrigeration

CO2 Refrigeration

Rotary screw compressors

PSM/RMP compliance

Electrical troubleshooting

Driver's license

Mentoring

Formazione

Ammonia Refrigeration I & II training / RETA certification

Strumenti

Mycom

GEA (Grasso)

Bitzer compressors

Tempest refrigeration systems

Descrizione del lavoro

Industrial Refrigeration Mechanic-Ammonia/CO2

$55 - $60 per hour | Tucson, AZ | On-site | Permanent

A bit about us:

We are a mechanical contractor looking for an Industrial Ammonia Technician in Tucson

Why join us?

• Union Benefits
• Great Culture
• Competitive base pay

Job Details

We are looking for an Industrial Refrigeration Mechanic to install, maintain, troubleshoot, and repair industrial ammonia (R-717) and CO₂ (R-744) refrigeration systems. The ideal candidate is a well-rounded industrial mechanic with deep hands‑on experience with screw compressors and a strong commitment to safety, reliability, and regulatory compliance.

Key Responsibilities

• Perform preventive, predictive, and corrective maintenance on industrial ammonia and CO₂ refrigeration systems, including compressors, condensers, evaporators, vessels, pumps, valves, and controls.
• Service, overhaul, align, and troubleshoot rotary screw compressors, including mechanical seals, bearings, rotors, slide valves, and oil systems.
• Diagnose system performance issues and make adjustments to optimize efficiency, capacity, and energy use.
• Safely perform pump-downs, oil draining, refrigerant charging, leak detection, and equipment isolation following lockout/tagout and line-break procedures.
• Maintain accurate maintenance logs, work orders, and system documentation in support of PSM and RMP compliance programs.
• Participate in Process Hazard Analyses (PHAs), Management of Change (MOC), Mechanical Integrity Inspections, and emergency response activities as required.
• Read and interpret P&IDs, mechanical drawings, electrical schematics, and manufacturer manuals.
• Work with PLC/microprocessor-based compressor control panels to monitor, troubleshoot, and adjust operating parameters.
• Respond to after-hours emergency calls and participate in an on-call rotation as needed.
• Mentor and support less experienced technicians and operators.

Required Qualifications

• 5+ years of hands‑on experience as an industrial mechanic or industrial refrigeration technician in industrial refrigeration environments.
• Proven experience with ammonia (R-717) refrigeration systems.
• Experience with CO₂ (R-744) refrigeration systems (transcritical, subcritical, or cascade).
• Strong hands‑on experience with rotary screw compressor maintenance, rebuilds, and troubleshooting.
• Ammonia Refrigeration I & II training and/or RETA certification (CARO or CIRO).
• Working knowledge of OSHA PSM (29 CFR 1910.119), EPA RMP, and IIAR standards.
• Strong mechanical aptitude with the ability to use precision measuring tools, alignment equipment, and diagnostic instruments.
• Ability to work safely at heights, in confined spaces, and in cold or hot environments while wearing required PPE, including respirators.
• Valid driver's license

Preferred Qualifications

• Experience with Mycom, GEA (Grasso), and/or Bitzer compressors.
• Familiarity with other major equipment manufacturers (GEA, Tempest, Evapco, BAC).
• Experience with refrigeration control systems (GEA, Mycom, Tempest).
• EPA 608 Universal certification.
• Industrial electrical troubleshooting experience (motors, VFDs, starters).
• Experience in cold storage, or other industrial facilities.

Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot’s policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions.

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