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Senior Ammonia Service Technician

Tyson Foods
Zeeland, MI Full Time
POSTED ON 4/18/2026
AVAILABLE BEFORE 5/17/2026
Job Details:

The Senior Ammonia Service Technician is responsible for operation, maintenance, and service of the facility’s ammonia refrigeration system. Candidates will need to demonstrate proficiency in ammonia systems and ability to perform required duties within the regulatory agencies (OSHA/EPA), IIAR, and Tyson standards. The ability to effectively communicate with members of management, engineering, operations/production, and contractors is fundamental to being successful to this role. Mechanical troubleshooting, ammonia refrigeration service experience, ability to multi-task, and self-motivation are required to be successful in this position.

Essential Duties And Responsibilities

  • Perform and complete operations, preventative maintenance, and repairs of plant ammonia refrigeration systems including but not limited to:
    • Involvement with Ammonia related Projects
      • Ammonia evacuations/pump outs
      • Prepare and execute job specific pump out procedures
      • PSM – Involvement and documentation
      • Equipment Commissioning
    • Compressor Maintenance
      • Shaft seal replacements
      • Motor alignments
      • Rebuilds
      • Level 1 and IIAR Inspections
      • Transducer Calibrations
      • Slide Valve Calibrations
    • RMAU’s
      • Understand Functionality and controls
      • Valve train and control valve troubleshooting
      • Gas burner operations and safety circuits
    • Ammonia Liquid Pumps
      • Shaft seal replacements
      • Oiler and bearing housing rebuild
      • Ability to service both Cornell CB and HT style pumps
    • Purger rebuilds and troubleshooting
    • Receive Ammonia Deliveries
    • Oil Removal
    • Safety Relief Valve Change outs
    • Rebuild Parker RS and Danfoss Ammonia Valve stations
    • Electrical and Controls Troubleshooting
  • Train and assist general Utility Technicians
  • Read and understand equipment P&ID’s and applicable blueprints.
  • Perform all duties in accordance with OSHA – IIAR regulations.
  • Timely repair of plant ammonia equipment/systems with precision maintenance techniques as necessary to meet production rates and maintenance downtime goals.
  • Data entry daily into current CMMS system including preventative maintenance records, inspections, and stock replacement parts used.
  • Responsible for maintaining a safe work environment, including all safety protocols and company policies.
  • Perform other duties as assigned by supervision.

Pay: Hourly wages up to $45.00/hour for those with preferred requirements. The 2nd shift also offers a $1.00 shift premium. This senior level position also includes up to a 2% annual incentive bonus.

Requirements:

Education: High school diploma or GED required.

Experience

  • 5 years industrial ammonia refrigeration experience required.
  • Proficient experience with Microsoft based software, such as Excel, Word, Outlook, etc.

Qualifications

  • Ability to interpret schematics and blueprints during troubleshooting.
  • Proficient in the use of hand and power tools.
  • Ability to work in a team environment.
  • Ability to self-motivate and work independently.
  • Comfortable operating at high elevations
  • Ability to lift or move 75 pounds.
  • Ability to withstand changing environments.
  • Ability to operate an aerial lift and sit-down forklift.
  • Basic computer skills required.
  • Ability to pass a physical and fit testing requirements for full face respirator use.

Schedule

  • Currently, the largest need for experienced techs is on night shift.
  • Ability to work variable shifts, weekends, and/or holidays.
    • 1st shift: 5:00AM – 5:00pm; 2nd shift: 5:00PM – 5:00AM
    • Rotating 2‑2‑3 schedule: two days on, two days off, three days on, alternating weekly
Travel Requirements: Approximately one to two weeks travel per year for technical and safety training.

Relocation: Comprehensive relocation assistance is available for qualified candidates, including moving expenses, temporary housing, and travel support.

Preferred Requirements (but NOT required):

  • Associates degree or equivalent certifications in Refrigeration/Mechanical field
  • IIAR Ammonia Refrigeration training
  • RETA/CIRO/CARO – Operators License
  • EPA TYPE Universal License
  • Boiler Operator License
  • Experience with SAP systems

Relocation Assistance Eligible:

Yes

Work Shift:

ALL SHIFTS (United States of America)

Certain roles at Tyson require background checks. If you are offered a position that requires a background check you will be provided additional documentation to complete once an offer has been extended.

Hourly Applicants ONLY -You must complete the task after submitting your application to provide additional information to be considered for employment.

Tyson is an Equal Opportunity Employer. All qualified applicants will be considered without regard to race, national origin, color, religion, age, genetics, sex, sexual orientation, gender identity, disability or veteran status.

We provide our team members and their families with paid time off; 401(k) plans; affordable health, life, dental, vision and prescription drug benefits; and more.

If you would like to learn more about your data privacy rights and how you may use that information, please read our Job Applicant Privacy Notice here.

Unsolicited Assistance: Tyson Foods and its subsidiaries do not accept unsolicited support from external recruitment vendors for open positions within the United States. Any resumes or candidate profiles submitted by recruitment vendors or headhunters to any employee or applicant tracking system at Tyson Foods or its subsidiaries, without a valid written request and search agreement approved by HR, will be considered the property of Tyson Foods. No fees will be paid if the candidate is hired due to an unsolicited referral.

Salary : $45

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