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Maintenance Ammonia Tech

United States, Oakland · Job Posted January 04, 2026
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Job Description

Under the direction of the Maintenance Manager or Supervisor, the refrigeration technician monitors and operates the following facility systems: refrigeration system, waste water system, steam system, low pressure hot water system, compressed air system, high pressure hot water system and ventilation system. The technician performs PMs, maintains all assigned equipment and systems and ensures all systems are performing in a safe and functional manner at all times. The technicians will need to record system readings by documenting the operation of the equipment. The position requires proficiency and thorough understanding of various facility systems including but not limited to, mechanical systems, electrical and high voltage systems, PLC and controls systems, hydraulic and pneumatic systems, welding and fabrication of equipment in a food manufacturing plant.

Job Responsibility

  • Repairs and maintains all assigned systems/equipment throughout the plant
  • Maintains and performs preventative maintenance activities and conducts repairs on all assigned systems/equipment
  • Completes accurate and timely documentation of maintenance records and take regular system readings
  • Observes and tests system operation, using gauges and instruments
  • Is engaged in dismantling, assembling, and installing refrigeration equipment
  • Ensures all paperwork is filled out in a clear, legible and accurate format
  • Assists in maintaining parts and supplies inventory by reporting low supply levels to Supervisor
  • Continues to develop facilities technical skills within mechanical, electrical, controls, hydraulic, pneumatic, welding and fabrication skillset
  • Increases equipment specific knowledge for maintenance activities on factory equipment
  • Learns and demonstrates our AFNA One Team culture
  • Participates within our TPM (total performance management) journey
  • Utilizing continuous improvement mindset, assist in identifying opportunities to improve processes
  • Follows Good Manufacturing Practices
  • Maintains a clean, sanitary and safe work area
  • Follow all required work safe practices
  • Work in extremely cold environment of -10 to -28 Fahrenheit
  • Perform other duties as assigned

Requirements

  • 3-5+ years’ experience as a Refrigeration Technician in an industrial environment
  • Industrial boiler work experience is required
  • Air compressor work experience is required
  • Must have or be able to obtain a R.E.T.A. Certification
  • Strong skills in “Process Safety Management”
  • Automation work experience with ability to read P&IDs
  • Electrical skills in troubleshooting and repairing 480/230 v 3ph.,120 v and 24v systems with the ability to read and understand schematics and blue prints
  • Root cause & troubleshooting skills are a must
  • Must have working knowledge of electrical testing equipment and basic hand and power tools
  • Must possess a high level of written and verbal communication skills, critical thinking and problem solving skills
  • Must have a working knowledge of Windows based software, such as Microsoft Excel and Word, and computerized maintenance management system
  • Forklift and scissor lift operating experience is required
  • Soldering and welding experience is required
  • Knowledge of EPA regulations
  • Solid communication skills

Nice to have

  • Waste water management work experience is a plus
  • Ammonia refrigeration systems knowledge is highly desired

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