Refrigeration Technician - Sioux City

Job Title:  Refrigeration Technician

Schedule: Monday – Friday, 8:00am – 4:30pm, will work on-call rotation

Location:  5220 Harbor Drive – Sioux City, IA

Inquiries:  Phone: (712) 252-0724

                 Toll Free: (800) 369-2653


Keizer Refrigeration, Inc. is located in Sioux City, IA, and is a top-performing distributor for Carrier Transicold, a global force in transport refrigeration.


Job Duties:

  • Assembles components of refrigeration systems for trailers according to blueprints or schematic drawings and knowledge of refrigeration systems, using hand tools, powered tools and welding equipment
  • Installs refrigeration components into trailers suck as compressor, condenser, expansion tank, valves, and tubing or piping needed to build refrigeration systems
  • Mounts compressor, condenser, and other components in specified locations on frame
  • Cuts, bends, and brazes specified tubing to inlets and outlets of components to form liquid and suction lines of refrigeration system
  • Installs expansion and control valves using acetylene torch and wrenches
  • Adjusts valves according to specifications. Removes air from system and charges system with specified amount and type of refrigerant
  • Tests lines, components, and connections for leaks with leak detector which indicates presence of refrigerant
  • Attaches thermocouples to various points of refrigeration system and test-operates equipment to evaluate functioning and cooling capacity of system.
  • May assemble and mount electrical wiring circuits, controls and recording devices.
  • Maintain a clean & safe working environment
  • Perform additional duties as needed



  • Mechanical background in heavy duty trucking industry or similar field
  • Additional education in heating, cooling, and refrigeration preferred
  • Continuing education throughout employment
  • Positive attitude and team player
  • Customer Service driven
  • Ready to work at start of shift
  • Able to move trailers in & out of the shop with yard truck
  • Attend company paid vendor training seminars as requested
  • Able to follow work instructions & direction from supervisor
  • Valid Driver’s License & a satisfactory MVR
  • Ability to pass post-offer physical & drug and alcohol screen


Benefits include:

  • On the job training
  • Quarterly Bonus program
  • Health/Dental/Vision
  • Health Savings Account with a company contribution
  • Uniforms supplied by company
  • Company provided LTD/Life Insurance
  • Employee Assistance Program
  • Receive On call pay
  • PTO & Holiday Pay – accrue up to 9 days of PTO in the first year
  • 401(k) eligibility after 6 months of employment
  • And more!


Mid-States Utility Trailer Sales, Inc. is an equal opportunity employer