About The Position

A Penske Refrigeration Technician will diagnose, overhaul, adjust, and repair all series of motor truck and trailer equipment with the primary focus on all refrigeration unit maintenance equipment designed for commercial trucks and trailers. This position is located at the Penske facility at 1301 E Patrick Street in Frederick, MD. The schedule for this role is 3rd shift, Sunday to Friday, 11 PM to 7:30 AM.

Requirements

  • Experience with Thermo-King and/or Carrier refrigeration units.
  • Ability to test lines, components, and connections using electrical, mechanical, and pneumatic test equipment.
  • Ability to read complex schematics.
  • Ability to identify warrantable repairs.
  • Ability to maintain work area appearance and safety.
  • Ability to road test vehicles.
  • Ability to perform duties with little or no supervision.
  • Proficiency with hand tools (screwdrivers, pliers, wrenches, pressure gauges, precision instruments) and power tools (pneumatic wrenches, lathes, welding equipment, jacks, hoists).
  • Ability to inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.

Nice To Haves

  • Diesel technician/mechanic experience.
  • Mobile refrigeration experience.

Responsibilities

  • Perform all levels of maintenance services, with the primary focus on all refrigeration units such as Carrier and/or Thermo King commercial refrigeration equipment designed for commercial trucks and trailers.
  • Test lines, components, and connections using electrical, mechanical and pneumatic test equipment.
  • Read complex schematics associated with the refrigeration and air conditioning equipment.
  • Identify warrantable repairs and document on repair order.
  • Maintain work area appearance and safety.
  • Road test vehicles when necessary to diagnose malfunctions or to ensure that they are working properly.
  • Perform duties with little or no supervision and in a timely and efficient manner.
  • Use hand tools such as screwdrivers, pliers, wrenches, pressure gauges, and precision instruments, as well as power tools such as pneumatic wrenches, lathes, welding equipment, and jacks and hoists.
  • Provide additional support regarding preventative maintenance and tractor trailer maintenance as required by location management.
  • Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
  • Other projects and tasks as assigned by supervisor.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service