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Department: Hamburg Shop

Reporting to: Management

Job Summary: Wm. Mueller & Sons has an opening for a full-time, experienced Shop Mechanic | Field Technician to work on heavy equipment and truck repairs in a shop environment and in the field. This role requires strong mechanical aptitude, problem-solving skills, and the ability to work independently.


  • Diagnose, troubleshoot, and repair mechanical issues on heavy equipment and machinery, including construction machinery.
  • Diagnose, troubleshoot, and repair complete tractor and trailer including truck engine, power train, and chassis.
  • Conduct routine maintenance and inspections to ensure equipment operates efficiently and safely.
  • Utilize diagnostic tools and equipment to identify and resolve mechanical problems.
  • Disassemble and reassemble machinery components as needed for repairs.
  • Replace faulty parts and perform necessary adjustments or alignments.
  • Perform preventive maintenance tasks, such as lubrication, filter changes, and fluid checks.
  • Keep detailed records of service and repairs performed, including parts used and labor hours.
  • Adhere to safety guidelines and regulations.


  • 2+ year technical degree or high school diploma/GED and 1-3 years of comparable mechanic experience
  • Strong mechanical aptitude and troubleshooting skills.
  • Familiarity with diagnostic tools and equipment.
  • Ability to read and interpret equipment manuals, schematics, and technical drawings.
  • Working knowledge of hydraulics, transmissions, undercarriage, track systems, components, electrical, and fuel systems
  • Commercial Driver’s License (CDL) and DOT inspection knowledge preferred
  • Excellent problem-solving and decision-making abilities.
  • Effective communication skills and ability to provide clear instructions and explanations.
  • Written and verbal communication skills
  • Basic computer skills
  • Own mechanic tool set
  • Ability to maintain safe and clean work environment
  • Must have a clean driving record. Must pass a drug test

Minimum Physical Requirements:

  • Push/pull up to 50 lbs
  • Lift/carry up to 60 lbs
  • Lift bulky objects
  • Standing, walking, using hands, talking, hearing, neck rotation, trunk rotation, stair climbing, ladder climbing, repetitive bending, kneeling, sustained squat, forward reaching, overhead reaching, supine overhead reaching, crawling, bin lift, high steps, fingering/grasping.
  • Working Conditions may be indoor and/or outdoor. Noise level may be loud at times.
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