Refrigeration Technician

Location: Chatsworth, CA (In Person)

Job Description: 

An established foreign food manufacturer has expanded its business to the United States and is currently looking for an experienced Refrigeration Technician to join our maintenance team while assisting our contractors to bring the facility back to operation in Los Angeles, CA. The incumbent will be responsible for preventive, predictive, and breakdown maintenance of plant assets in an efficient manner to improve reliability. This position is responsible for operating and maintaining the plant “ammonia” refrigeration system along with other related and unrelated equipment such as boilers, air compressors, water and air conditioning systems.



  • Monitor and support ammonia system
  • Adjust ammonia system to procure desired temperatures at different production rooms
  • Support and maintain spiral and storage freezers
  • Monitor and support glycol cooling systems
  • Pump out of liquid ammonia to evacuate system or maintenance activities
  • Monitor, repair and support chilled water system.
  • Ammonia system charge knowledge
  • Monitor and perform repairs on the High Pressure Hot Water system
  • Support and maintain steam boilers and generators
  • Operation of high pressure steam boiler
  • Obtain equipment quotes for replacement parts or new systems
  • Support and maintain Soak Tank system
  • Support and maintain air handling units
  • Monitor and support compressed air system
  • Assist contractors with facility improvements
  • Install, repair and modify piping.
  • Develop related SOPs and keep records of monitoring, repairs, and replacements
  • Support HVAC utility equipment. Communicate with 3rd party vendors on repairs and service if needed
  • Evaluate system improvement projects for continuously efficiency
  • Abide by all safety rules and policies at work including Lock Out - Tag Out (LOTO), personal protective equipment, etc.
  • Support other functions of the maintenance team if needed
  • Perform other duties assigned


  • Associate’s degree in engineering or a related field
  • Minimum 3 years of operating experience with ammonia system, boilers, and HVAC utility equipment
  • Fully understand the thermodynamics concept of the refrigeration cycle in its entirety
  • A plus if you have 2 years experience with boilers (certified) and air compressors
  • Required certification through RETA as an Industrial Refrigeration Operator (CIRO).  If the person does not meet this requirement, he/she may still be considered for the position if he/she is otherwise certified through RETA as a CARO, Level A or Level B Operator under the following condition: it is expected that the technician being hired take and pass the RETA CIRO exam within 6-months from the date of hire. And in 1 year be CRES certified.
  • Proficient in piping and instrumentation diagram (P&ID) interpretation
  • Working knowledge of electrical schematics, high pressure water system, air compressors & dryers, ammonia compressors & boosters, etc.
  • Ability to work flexible schedule depending on operational needs 
  • Must be a team player with excellent people and organization skills
  • Computer literacy including MS suite, Google Apps and other professional software.
  • Bilingual in Spanish preferred not required 
  • Physical requirements include frequent lifting up to 25 lbs., occasional lifting up to 50 lbs., and infrequent lifting up to 100 lbs. For instances when an employee is required to lift more than 50 lbs and 100 lbs they must work in teams of two or use the proper equipment and tools for the job/task at hand. Ability to walk on concrete and uneven surfaces for at least 2 hours or more; ability to sit, climb, stoop, kneel, crouch or crawl; occasional working at heights above 10 ft; exposure to bright light, extreme temperatures, loud noise, dust, gas, chemicals, etc.

Synear is an "at-will", equal opportunity employer.  We consider applicants for all positions without regard to race, color, creed, religion, national origin or ancestry, sex, age (40 or over), disability, genetic information, veteran status, or any other legally protected status under local, state, or federal law.

Synear will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of this Fair Chance Initiative for Hiring Ordinance.

Job type: Full- time 

Pay Rate: $28.00 - $37.00 per hour

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