Mobile Diesel Technician II — On-Site Lead & Diagnostics

Cox Enterprises, Inc.; Allentown (Lehigh County); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Tuition assistance

Adoption assistance

Pet insurance

Employee discounts

Uniforms provided

Laptop provided

Career training

Job summary

Cox Fleet, headquartered in Indianapolis, provides on-site mobile maintenance nationwide. We are hiring a Mobile Diesel Technician II to perform certified DOT inspections, preventative maintenance, and advanced trailer repairs at customer sites.

This role emphasizes safety, accuracy, and customer communication in a fast-paced field environment. You will work from a company truck and coordinate with the service center network, with growth opportunities through hands-on diagnostics and

Qualifications

• High school diploma or GED with related field experience.
• Valid CDL-A preferred or obtainable within 18 months (per DOT regs).
• ASE T8/PMI and 608/609 certifications are targeted within 18 months.

Responsibilities

• Perform DOT inspections and preventative maintenance on trailers and equipment at customer sites.
• Diagnose, repair, and service trailer systems including brakes, air lines, and liftgates.
• Maintain, document, and upload RO findings and parts used using company app.
• Interact with customers professionally, providing clear updates and estimates.
• Manage parts inventory and coordinate with vendors for needed components.
• Adhere to safety policies and DOT/FMCSA regulations on all work.

Skills

Trailer knowledge

Communication

Problem solving

Tool selection

Physical stamina

Teamwork

Education

High School Diploma

Tools

ASE certifications

Job description

Cox Fleet, headquartered in Indianapolis, provides on-site mobile maintenance nationwide. We are hiring a Mobile Diesel Technician II to perform certified DOT inspections, preventative maintenance, and advanced trailer repairs at customer sites.

This role emphasizes safety, accuracy, and customer communication in a fast-paced field environment. You will work from a company truck and coordinate with the service center network, with growth opportunities through hands-on diagnostics and