Mobile Diesel Technician

Penske•Dallas, TX

About The Position

This Penske diesel technician/mechanic role provides roadside assistance to customers. The technician diagnoses and repairs a range of truck maintenance issues safely at the roadside and in all weather conditions. The role requires demonstrated tractor-trailer repair experience, proficiency with repair tools, and willingness to drive a Penske Road Assist vehicle equipped with tools and supplies. The listed work location is 238 W. Commerce St., Dallas, TX 75208. The schedule is a flexible day shift, Monday through Friday, with optional Saturdays; shift premiums are listed for second shift, third shift, and weekends. The technician responds to roadside calls, diagnoses repair needs, documents parts replacements and warranty repairs, restocks and maintains the rapid-assist vehicle, and helps with designated in-shop repairs when not handling road calls. The position involves travel within the district and work in non-climate-controlled conditions. It is regulated by the Department of Transportation or designated as safety-sensitive, and requires compliance with Penske, DOT, and OSHA safety and maintenance policies.

Requirements

  • At least 10 years of practical tractor-trailer maintenance experience.
  • High school diploma or equivalent.
  • Proficiency in the use of shop tools.
  • Ability to work in non-climate-controlled conditions and safely in all weather conditions.
  • Ability to comply with instructions, guidelines, rules, and regulations established by Penske management.
  • Regular, predictable, full attendance.
  • Ability to maintain the driver qualification file required for the role, including an annual motor vehicle records check, a completed DOT physical, and safety-performance-history records from prior employers for the last three years.
  • For CDL holders, completion of a DOT drug screening within 30 days of start and a review of the FMCSA Clearinghouse.
  • Willingness to travel as necessary within the district, work the required schedule and location, complete a Penske employment application, and submit to background investigation and drug screening.
  • Ability to remain alert and work safely, accepting responsibility for one's own safety and the safety of others.
  • Ability to move frequently and to stand, walk, climb, bend, and sit for extended periods during scheduled work.
  • Ability to use hands routinely to grasp, reach, touch, handle, feel, and operate tools or controls.
  • Ability to work safely at heights using applicable ladders and elevated working platforms.
  • Ability to see and hear sufficiently to navigate a workplace with frequent movement of large trucks.
  • Ability to regularly lift or move up to 50 pounds and occasionally up to 100 pounds, and regularly push or pull truck tires weighing more than 100 pounds.

Nice To Haves

  • Vocational or technical education, or certification.
  • Specialized training in repair and replacement of vehicle components.
  • Current CDL with air-brake certification.
  • Basic computer skills for data entry into maintenance systems.
  • Customer-service experience, effective communication, professionalism, and commitment to a positive service experience.
  • Experience diagnosing, maintaining, and repairing a variety of commercial vehicles, equipment, or related systems.
  • Mobile or field-service experience, including working independently and traveling to customer locations.

Responsibilities

  • Respond promptly to roadside-assistance calls and repair units, identifying parts that require replacement and warranty repairs and documenting them appropriately.
  • Perform diagnostics and suitable non-roadside repairs that can be completed quickly, as needed.
  • Restock the rapid-assist vehicle with tools, parts, tires, and other supplies needed for roadside assistance.
  • Perform maintenance and repairs on the roadside-assistance vehicle as required.
  • Assist with designated in-shop repairs when not handling road calls, as directed by a supervisor.
  • Follow Penske, DOT, OSHA, and other applicable safety and maintenance policies, including appropriate tool and PPE use.
  • Travel as necessary within the district, including to customer yards and training sites.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service