Mobile Diesel Technician

R.J. Davis Co., Inc.
Harrisburg, PA

Company Overview
R.J. Davis Co., Inc. is a privately owned, steadily growing transportation company specializing in yard truck services and warehouse yard management across the mid-Atlantic region. With one of the largest jockey truck fleets in the area, we deliver dependable yard support, long-term equipment solutions, and rapid-response emergency services to our partners.

Since 1985, we’ve built our reputation on reliability, responsiveness, and strong, long-term customer relationships. Our success is driven by our people—mechanics, drivers, and leadership working together to keep operations moving safely and efficiently.

Position Overview – Mobile Diesel Mechanic

We are actively seeking (4) skilled and motivated Mobile Diesel Mechanics to join our team. This role is critical to keeping our fleet of yard trucks and terminal tractors operating safely, efficiently, and without downtime.

If you take pride in your work, value independence, and want to be part of a company that continues to grow and invest in its people—this is your opportunity.

What You’ll Do

  • Perform routine maintenance and repairs on in-service yard trucks and terminal tractors
  • Diagnose mechanical, electrical, and hydraulic issues in the field
  • Inspect equipment for wear, damage, and safety concerns
  • Complete preventative maintenance to reduce downtime and extend equipment life
  • Respond to service calls and breakdowns with urgency and professionalism
  • Maintain accurate service records and communicate repair needs clearly
  • Ensure all work is completed safely and meets company and DOT standards

What We’re Looking For

  • Experience with diesel engines, hydraulics, and electrical systems
  • Strong troubleshooting and diagnostic ability
  • Ability to work independently in a mobile/field environment
  • Reliable, self-motivated, and detail-oriented
  • Valid driver’s license (CDL is required)
  • Prior experience with yard trucks/terminal tractors is a plus

Why R.J. Davis Co., Inc.?

  • Established company with 40+ years of industry stability
  • Consistent, year-round work
  • Growing fleet and expanding operations
  • Team-oriented environment with strong leadership support

Opportunity to grow with a company that values performance and reliability

You can contact us today by email at [email protected] or TEXT DIRECTLY 717-916-7121

Pay: $29.06 - $34.00 per hour

Benefits:

  • Dental insurance
  • Flexible schedule
  • Health insurance
  • Paid time off
  • Vision insurance

Work Location: On the road

Posted 2026-04-12

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