On-Site Mobile Diesel Technician II

Cox Automotive; Allentown (Lehigh County); On-site; USD 40,000 - 61,000; Full time

Benefits offered by this job

Health, dental, vision insurance—day 1

401(k) matching

Paid time off (PTO)

Tuition Assistance

Adoption/Surrogacy assistance

Pet Insurance

Employee discounts

Uniforms provided

Take service truck home daily

Laptop & company cellphone provided

Technical training to advance career

Job summary

Cox Fleet is hiring a Mobile Diesel Technician II for on-site work, performing DOT inspections, Preventative Maintenance, and light to advanced repairs on trailers and equipment. You will work at customer sites with a lead role on jobsites, handle diagnostics, and maintain documentation using TRAIT on an iOS device.

Requires 5+ years related experience or equivalent, ASE T8/PMI and CDL-A within 18 months, and strong safety/compliance mindset.

Qualifications

• High school diploma or GED required with related field experience or equivalent.
• ASE T8 (PMI) certification within 18 months of employment.
• CDL-A license required; DOT/FMCSA regulations compliance.

Responsibilities

• Perform scheduled PMs and DOT inspections on trailers and equipment.
• Diagnose, adjust and repair trailer systems and components.
• Operate service truck and maintain safety checks and pre/post-trip inspections.
• Document findings and RO updates using TRAIT app and iOS device.
• Coordinate with management on repair estimates and purchases.

Skills

DOT inspections

PM inspections

Tractor/trailer repair

Advanced diagnostics

Safety compliance

Independent scheduling

Team leadership

Customer communication

Education

High School Diploma/GED

ASE T8 (PMI) within 18 months

CDL-A License

Tools

DOT regulatory knowledge

Job description

Cox Fleet is hiring a Mobile Diesel Technician II for on-site work, performing DOT inspections, Preventative Maintenance, and light to advanced repairs on trailers and equipment. You will work at customer sites with a lead role on jobsites, handle diagnostics, and maintain documentation using TRAIT on an iOS device.

Requires 5+ years related experience or equivalent, ASE T8/PMI and CDL-A within 18 months, and strong safety/compliance mindset.