Diesel/Mobile Mechanic Level 3

Hub Group•Harrisburg, PA

About The Position

The Diesel/Mobile Mechanic Level 3 performs unsupervised diagnosis, repair, preventive maintenance, inspection, and reconditioning of trucks and trailing equipment. The role requires advanced proficiency across diesel engines, powertrains, electrical and HVAC systems, brakes, steering, suspension, electronics, cooling systems, and emissions after-treatment equipment. The mechanic also specializes in diagnosing and repairing major components, including engines, transmissions, differentials, and fifth wheels, and may replace complete assemblies and related components. The position includes documenting work and warranty repairs, processing maintenance-system transactions, maintaining compliance with DOT standards, and supporting fleet analyses and continuous improvement. The mechanic may road-test vehicles, mentor other technicians, and provide repair instructions. Work is performed in non-climate-controlled conditions, and travel for training may be required.

Requirements

At least 4 years of practical tractor-trailer maintenance experience.
High school diploma or equivalent.
Demonstrated customer-service and relationship-building skills.
Expert understanding of fleet maintenance policies, DOT standards, and industry practices.
Organizational skills and ability to manage multiple activities in a fast-paced environment.
Specialized training and experience diagnosing and troubleshooting major components, including engines, transmissions, and differentials.
OEM training courses required (FRTL or INTL).
Proficiency with trade tools, including welding equipment, diagnostic equipment, and hand and power tools.
Clean motor vehicle record required.
Strong work ethic and excellent communication skills.
Ability to communicate verbally and in writing in English and to read and understand English.
Ability to recommend continuous-improvement ideas and actions.
Results-oriented approach and ability to work with minimal supervision.
Computer proficiency, including proficiency with Windows-based systems and diagnostic software.
Valid driver’s license.
Ability to work in non-climate-controlled conditions.
Willingness to travel for training.
Must supply own hand and pneumatic tools sufficient to perform required jobs.

Nice To Haves

Vocational, technical, or certification training.
ASE certification.
608/609 certifications.
Ability to operate a service truck.
Advanced diagnostic software skills for Detroit DD15 engines and DEF/after-treatment repairs.

Responsibilities

Follow safety practices and company Standard Operating Procedures.
Diagnose and repair diesel engines, powertrains, electrical systems, HVAC, steering, electronics, engine bolt-on components, brakes, suspension, tires, and after-treatment devices without assistance.
Perform electrical repairs, cooling-system maintenance, complete vehicle diagnosis, and all levels of preventive maintenance on trucks and trailing equipment.
Recondition equipment for trade-ins and prepare new equipment for delivery.
Maintain annual vehicle inspector and brake inspector certifications required by DOT.
Perform welding, including MIG and TIG, in non-standard situations and on varying materials as needed.
Use diagnostic software, maintenance systems, hand tools, power tools, and diagnostic equipment to inspect, test, diagnose, and repair equipment.
Identify warrantable repairs and document work on repair orders; ensure work is properly documented and complies with DOT standards.
Maintain a clean and safe work area.
Road-test vehicles when needed to diagnose malfunctions or verify proper operation.
Perform routine maintenance, including oil changes, battery checks, and lubrication.
Inspect and adjust protective guards, loose bolts, safety devices, dimensions, and part clearances to factory specifications.
Troubleshoot and repair major components such as engines, transmissions, differentials, and fifth wheels, including replacing assemblies, turbochargers, and fuel-system components.
Enter and process transactions in the maintenance system.
Assist with fleet analyses, action development, and miscellaneous projects as assigned.
Provide directions and repair instructions and mentor other technicians as needed.
Meet or exceed safety, industry standard repair time, truck uptime, driver customer-service, and fleet-satisfaction performance measures.