Mobile Diesel Mechanic: Field Service & Diagnostics

Pico Propane and Fuels; Haskell (OK); On-site; USD 48,000 - 70,000; Full time

Job summary

Meritum Energy Holdings is seeking an experienced Mobile Diesel Mechanic to maintain client fleets and respond to on-site service calls in Haskell, OK. You will perform inspections, diagnostics, and repairs with a focus on safety and customer service.

Role requires 5+ years’ Class 7 & 8 experience, ASE diesel certifications, and CDL with a clean driving record. The position involves field travel and staying current with repairs and documentation.

Qualifications

• 5+ years’ experience as a Class 7 & 8 mechanic or technician in a dealership or related truck service facility.
• Familiar with mechanical, hydraulic, electrical and brake systems.
• Knowledge of safety regulations and safe work practices.
• Strong organization and attention to detail.
• Knowledge of diagnostic software a plus (ADOC, INSITE).
• Chemical pump and plumbing knowledge a plus.

Responsibilities

• Perform maintenance and repairs on company equipment to established standards
• Complete routine truck upkeep, including fluid checks, cleanliness, inspections, and documentation
• Manage and maintain inventory on the service truck to ensure proper stocking of parts and tools
• Receive daily assignments from the Service Manager and respond to after-hours or on-call needs as required
• Use diagnostic tools and technical resources to identify issues and perform accurate repairs
• Diagnose, remove, and replace components such as injectors, oil pans, fan hubs, fifth wheels, brakes, and batteries
• Conduct preventative maintenance and verify repairs through test drives and equipment checks
• Document work performed in the company’s computer or mobile service system in a timely and accurate manner
• Maintain positive customer interactions and advise on recommended future repairs
• Participate in ongoing training and apply updated knowledge to daily work
• Adhere to all safety requirements, including proper PPE use; role is safety-sensitive and subject to drug testing.
• Travel to field locations as needed
• Provide personal hand and power tools; company provides diagnostic equipment

Skills

Mechanical aptitude

5+ years’ experience as a Class 7 & 8

Mechanical/hydraulic/electrical &\

Education

High school diploma or equivalent

ASE Qualifications in Diesel engine applications

CDL and Medical card

Valid driver's license with a clean driving record

OEM level training/certifications or willingness to obtain

Brake, CVSA and/or AC systems certifications a plus

Job description

Meritum Energy Holdings is seeking an experienced Mobile Diesel Mechanic to maintain client fleets and respond to on-site service calls in Haskell, OK. You will perform inspections, diagnostics, and repairs with a focus on safety and customer service.

Role requires 5+ years’ Class 7 & 8 experience, ASE diesel certifications, and CDL with a clean driving record. The position involves field travel and staying current with repairs and documentation.