1

First Class Refrigeration Operator Jobs in California

Bus Driver

Hayward, CA · On-site

$175/day

Compensation: $175.00 per day About Us The First Class Charter Inc is a family-owned business in Hayward, California operating since 2011. We provide Shuttle bus services to casinos 24/7 and we are ...

Bus Driver

Hayward, CA · On-site

$175/day

For more Information please Call Ben at 650-477-4934 Compensation: $175.00 per day About Us The First Class Charter Inc is a family-owned business in Hayward, California operating since 2011. We ...

Refrigeration Mechanic

Sunnyvale, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Newark, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Fremont, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Milpitas, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Mountain View, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Mountain View, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Newark, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Morgan Hill, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

San Jose, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Saratoga, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Palo Alto, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

Refrigeration Mechanic

Santa Clara, CA · On-site

$40.16 - $50.54/hr

Join us as a Refrigeration Mechanic (Ammonia Operator) at our San Jose, CA plant. This is a night ... Our iconic, world-class brands at Kellanova include Pringles, Cheez-It, Pop-Tarts, MorningStar ...

next page

Showing results 1-20

First Class Refrigeration Operator information

What is the difference between First Class Refrigeration Operator vs Refrigeration Technician?

AspectFirst Class Refrigeration OperatorRefrigeration Technician
CredentialsTypically requires a First Class Refrigeration Operator license or certificationOften requires a Refrigeration Technician certification or license
Work EnvironmentIndustrial, commercial refrigeration systems, often in large facilities or plantsMaintenance and repair of refrigeration systems across various settings
Employer & IndustryUsed in industries like food processing, cold storage, and manufacturingEmployed in HVAC/R service companies, industrial facilities, and maintenance

While both roles involve refrigeration systems, a First Class Refrigeration Operator primarily focuses on operating and monitoring large-scale refrigeration equipment, often requiring specific licensing. Refrigeration Technicians tend to perform repairs and maintenance across a broader range of systems. The roles overlap in credentials and work environments, but their primary responsibilities differ.

What are popular job titles related to First Class Refrigeration Operator jobs in California? For First Class Refrigeration Operator jobs in California, the most frequently searched job titles are:
What job categories do people searching First Class Refrigeration Operator jobs in California look for? The top searched job categories for First Class Refrigeration Operator jobs in California are:
What cities in California are hiring for First Class Refrigeration Operator jobs? Cities in California with the most First Class Refrigeration Operator job openings:
Infographic showing various First Class Refrigeration Operator job openings in California as of July 2026, with employment types broken down into 1% As Needed, 67% Full Time, 30% Part Time, 1% Temporary, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution.
Refrigeration Mechanic - Plant 1 (Days)

Refrigeration Mechanic - Plant 1 (Days)

Foster Farms

Livingston, CA • On-site

$27.75/hr

Full-time

Posted 20 days ago


Foster Farms rating

6.3

Company rating: 6.3 out of 10

Based on 44 frontline employees who took The Breakroom Quiz

283rd of 396 rated food and drinks producers


Job description

About Foster Farms
At Foster Farms, our mission is creating great food and serving great moments. Our vision is to be the best and most trusted food company, empowering and nourishing the lives of those we serve. We measure our success by how well we protect and care for our team, our consumers, our animals, and our environment, while delivering operational excellence and exceptional value to our customers.Essential Functions
Pay range: $27.75 to $46.25 an hour.
(Additional $1.00 per hour for hours worked between 7:00pm and 11:59pm. Additional $2.00 per hour for hours worked between 12:00am-4:59am
  • Maintain and operate two stage ammonia systems, boiler systems, air systems, main water systems and their subsidiary equipment in a safe, efficient and competent manner.
  • Diagnose and repair equipment.
  • Ensure the continuous training and competency of all refrigeration technicians/ engineers.
  • Conduct routine plant temperature checks and observe equipment operation to ensure all are within parameters and if not, act accordingly.
  • Routine maintenance and repair decisions must be acted upon independently.
  • In event of equipment malfunction, requires ability to make decisions on what level contact needs to be made (i.e. Supervisor, Loss Control, or if extreme emergency Fire Department).
  • Purchase of equipment and equipment repair parts.
  • Unscheduled shut down of equipment (excluding an emergency).
  • Conduct preventive maintenance and re-build equipment as necessary.
  • Troubleshoot and repair equipment.
  • Ensure all refrigeration equipment is functioning in a safe and optimal manner.
  • Monitor and record all reading to document operation of the equipment and the system. Report any unresolved discrepancies immediately to the Refrigeration Lead or Supervisor.
  • Train lower classification technicians.
  • Help maintain and improve quality and food safety, to ensure compliance with company quality standards and USDA regulatory requirements.

Qualifications
  • Must be able to work with minimal supervision.
  • Must have a minimum three (5) years on job experience in industrial refrigeration, preferably with two stage ammonia systems.
  • Must possess a high school diploma or equivalent.
  • Must be a trained First Responder - Level A suit qualified.
  • Must be a trained Haz-Mat responder at 40-hour level.
  • Must be certified in Confined Space training.
  • Must be current on CPR/First Aid certification.
  • Must be trained in lock-out tag-out and safe work practices.
  • Must have proven ability to understand refrigeration blueprints, PHA's, SOP's as well as knowledge of completion of MOC's as certified by Maintenance Management.
  • Must be able to interpret and identify valves and equipment using P&ID's.
  • Must have proven experience in ammonia system pump-downs and repairs.
  • Must be able to monitor and identify abnormal operating pressures, temperatures and conditions within the Refrigeration system and make adjustments or repairs to correct any issues.
  • Must have proven knowledge of chemical testing for cooling towers and ammonia system contaminants.
  • Must have proven knowledge of air compressor systems as certified by Maintenance Management.
  • Must have proven knowledge of industrial refrigeration systems as certified by RETA at the Certified Assistant Refrigeration Operator (CARO) level.
  • Must have current RETA certification at the Certified Assistant Refrigeration Operator (CARO) level.
  • Must have proven knowledge of refrigeration electrical control system troubleshooting as certified by in house Electrical Technician.
  • Must have proven knowledge to include theory, operation, and troubleshooting of two stage ammonia systems.
  • Must be able to bend, stoop walk and stand for prolonged periods of time.
  • Must be able to climb and work from ladders and in confined spaces safely.
  • Must be able to work from high altitudes, catwalks and roofs.
  • Must be able to lift over 50 pounds.
  • Must be able to work on wet concrete floors.
  • Must be able to work overtime, weekends and times dictated by production equipment requirements/needs.
  • Must be able to submit and pass a criminal background check.
  • Must have working knowledge of HVAC systems and possess a EPA 608 Type II and III or Universal certification.

Foster Farms ACTION Guiding Principles
  • Accountability: Deliver on commitments.
  • Collaboration: Achieve more by working as a team.
  • Truth-Seeking: Be open-minded and act with humility.
  • Initiative: Be proactive and lead with a growth mindset.
  • Ownership: Take responsibility for results.
  • Nimble: Operate with speed and agility.

Why Join Foster Farms?
This is a high-impact opportunity to shape the future of the ready-to-eat business at a leading food company, directly supporting our mission, vision, and values. You will play a critical role in delivering safe, high-quality food and great moments for millions of families.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

What Foster Farms employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom