Maintenance Mechanic - Refrigeration - 3rd Shift

West Libery Food•West Liberty, IA
•$26 - $38•Onsite

About The Position

The Refrigeration Utilities Mechanic maintains, operates, inspects, and repairs ammonia refrigeration equipment, boiler equipment, well equipment, air compressor systems, and HVAC equipment. The role also tests and maintains chemical systems used in refrigeration and boiler systems and may assist in the utilities wastewater treatment area. The position is located in West Liberty, Iowa, and is scheduled for third shift, Monday through Friday. The listed hourly wage range is $26.00–$38.00, depending on experience, with a $1.50-per-hour shift premium and a $3,000 sign-on bonus available.

Requirements

  • Working knowledge of ammonia refrigeration systems.
  • Ability to read and interpret P&ID drawings.
  • Ability to comply with a respirator fit test as part of the HAZMAT team.
  • Computer skills for communication and data processing.
  • Ability to complete Ammonia Technician Operator Level 1 and Level 2 certifications.
  • Valid driver's license.
  • At least 18 years of age.
  • Must be authorized to work in the United States; sponsorship is not available.
  • Ability to stand for long periods.
  • Ability to lift up to 50 pounds, including above the head and below the waist.
  • Ability to climb ladders and work on aerial work platforms as needed.
  • Ability to work in varying temperature conditions.
  • Ability to work overtime as needed and adjust quickly to changing demands.
  • Ability to work with limited supervision.
  • Must practice good personal hygiene.
  • Must successfully pass a post-offer/pre-employment drug test, background screen, physical, and E-Verify.

Nice To Haves

  • Associate degree or equivalent in a related field.
  • Experience with CMMS, L2L, and Google Suite.

Responsibilities

  • Perform preventive maintenance and repairs on compressors, condensers, evaporators, pumps, vessels, valves, and other ammonia refrigeration machinery.
  • Replace defective mechanical and manual valves and fan motors.
  • Maintain the water treatment system and its associated chemicals.
  • Remove ice buildup from evaporator drain pans, investigate its cause, and correct the problem.
  • Work in motor room, freezer, and blast cell areas.
  • Drain oil from the ammonia system.
  • Complete daily reports.
  • Remove and reinstall ammonia compressors.
  • Perform motor alignments using dial caliper indicators.
  • Replace compressor and pump shaft seals.
  • Collect oil and ammonia samples for regular analysis.
  • Work with refrigeration contractors, electricians, and pipe fitters on the ammonia refrigeration system to ensure company safety policies and work standards are followed.
  • Inspect and maintain the ammonia system and ensure its safeguards function properly.
  • Check integrity and tolerances using a micrometer.
  • Troubleshoot electrical problems.
  • Write standard operating procedures, pump-down procedures, and lockout/tagout procedures.
  • Remove and install three-phase motors.
  • Lay out, assemble, install, and maintain pipe systems and related hydraulic and pneumatic equipment; repair or replace gauges, valves, pressure regulators, and related equipment.
  • Perform other routine work as needed, including hanging plastic and addressing roof concerns.
  • Participate actively on the HAZMAT team using expert knowledge of the Refrigeration Utilities Department.
  • Assist the PSM Coordinator with maintenance and compliance with the company's PSM Program.
  • Perform other duties as assigned.

Benefits

  • Medical, dental, vision, and prescription coverage.
  • Paid time off.
  • Life insurance.
  • Short-term disability.
  • Flexible spending account and health savings account.
  • 401(k) retirement savings plan.
  • Employee assistance program.
  • Educational assistance program.
  • Discount benefits.
  • Additional voluntary benefits.
  • $3,000 sign-on bonus available.
  • $1.50-per-hour shift premium.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service