Mobile Diesel Mechanic II

Cox Fleet is headquartered in Indianapolis and is one of the largest fleet maintenance companies in the country. We provide on‑site mobile maintenance and repair services for light, medium, and heavy‑duty trucks and trailers across the United States. With over 50 nationwide service centers, we offer accident repair, painting, refurbishment, and heavy mechanical repair, supported by a 24/7 in‑house call center.

As a Mobile Diesel Technician Level II, you will perform licensed DOT inspections, preventative maintenance inspections, and light and follow‑up repairs in a mobile/field environment. You will work under the supervision of a Senior Mobile Diesel Technician or higher, learning advanced diagnostics and repair techniques while maintaining high performance metrics and compliance with company policies.

• Perform scheduled preventative maintenance (PM), DOT inspections, and follow‑up repairs on light, medium, and heavy‑duty vehicles.
• Execute minor adjustments and repairs on truck equipment, including electrical, brake, cooling systems, starters/alternators, fan clutches, engine electronics, diesel steering systems, engines, transmissions, clutches, and differentials.
• Diagnose, adjust, and repair a wide range of truck systems, using test instruments such as handheld computers and pressure gauges.
• Conduct road tests to ensure vehicles are functioning correctly.
• Manage parts inventory, perform periodic reconciliation, and obtain parts from approved vendors.
• Maintain and operate the company‑issued service vehicle, conduct safety checks, and complete pre‑ and post‑trip inspections.
• Work independently, manage daily schedules, and prioritize tasks effectively.
• Document work accurately on Repair Orders using the TRAIT application and upload photo evidence.
• Comply with safety, health, and environmental policies, and federal regulations including OSHA, EPA, and DOT.

• High School Diploma or GED with at least 3 years of related experience (alternative combinations of education and experience are acceptable).
• Must possess a set of hand tools necessary for job duties and be able to provide them upon request.
• Obtain ASE T8 (PMI) certification within 18 months of hire.
• Must pass DOT‑mandated pre‑employment background screening and DOT physical (or submit a valid DOT medical card with at least four months remaining).
• Minimum age of 21 years due to interstate operating authority regulations.
• Valid driver’s license required; must hold a valid state‑of‑residence license and maintain a Driver Qualification File.

• ASE T8 (PMI) – required
  Preferred: ASE T3 (Drivetrain), ASE T4 (Brakes), ASE T5 (Suspension), ASE T6 (Electrical and Electronic Systems), ASE T7 (HVAC), ASE 608/609

• Strong problem‑solving skills and ability to anticipate future implications of new information.
• Ability to lift, bend, climb, stand, and walk for long periods and perform moderately heavy labor.
• Effective communication skills, both written and verbal, to interact with clients and team members.
• Ability to determine appropriate tools, equipment, and procedures for each task.
• Logical reasoning to evaluate alternative solutions and make sound judgments.

USD 29.42 – 44.13 per hour. Hourly base may vary within the range based on location and candidate qualifications. Additional compensation may include commission and incentive programs.

• Health, dental, and vision insurance available from day one.
• 401(k) matching starts after 90 days.
• Paid time off: up to 200 hours (5 weeks) based on tenure, with additional bereavement, jury duty, volunteer, military, and parental leave options.
• Tuition assistance/reimbursement.
• Adoption and surrogacy assistance.
• Pet insurance.
• Employee discounts on vehicles, cell phones, ride sharing, insurance, and wellness services.
• Weekly pay every Friday.
• Safety boots, glasses, and extreme weather gear with reimbursement.
• Company tablet and cellphone provided.
• Technical training opportunities and a clear career progression path.

Applicants must be authorized to work in the United States without current or future sponsorship. EOE, including disability/vets.