Mobile Diesel Mechanic II Mon - Fri Day Shift

Cox Automotive; Valparaiso (IN); On-site; USD 30,000 - 47,000; Full time

Job summary

Cox Fleet seeks a Mobile Diesel Technician II- DOT to perform licensed DOT inspections, preventative maintenance, diagnostics and repairs in the field. You will work in a dynamic environment delivering on-site service for light to heavy-duty trucks and trailers, with a company‑provided service vehicle and a Monday–Friday day shift.

Ideal candidates have a HS diploma with related experience or equivalent and are capable of DOT/DOT‑related documentation, safety compliance, and customer‑facing

Qualifications

• High school diploma or GED with 3 years of related experience, or equivalent.
• ASE certification T8 (PMI) within 18 months of employment.
• DOT/FMCSA pre-employment screening and DOT physical as required.

Responsibilities

• Perform scheduled preventative maintenance, DOT inspections and follow-up repairs.
• Diagnose, adjust and repair various truck systems including electrical, braking, cooling, and engine components.
• Use hand tools, diagnostic equipment, and testing devices to inspect and troubleshoot vehicle systems.
• Road test vehicles to verify repairs and ensure safe operation.
• Document work, parts used, and repair findings with handheld device and DOT forms.
• Obtain parts from approved vendors and manage inventory as needed.
• Follow safety, health and environmental policies and federal regulations (OSHA, EPA, DOT).
• Communicate with management to discuss estimates, RO findings, and approvals.

Education

High school diploma/GED; 3 years related field experience

Tools

Hand tools

Diagnostic tools

Pressure gauges

Job description

Build your future with Cox Fleet, a Cox Automotive company and one of the nation's leading providers of mobile fleet maintenance and repair services. Supporting customers through 30+ service centers and a team of 1,500+ skilled technicians, we keep commercial fleets moving with on-site service for light, medium, and heavy-duty trucks and trailers. Be part of a growing organization where you can develop your career while making a meaningful impact.

As a Mobile Diesel Technician II- DOT, you’ll take your skills on the road to perform licensed DOT inspections, preventative maintenance, diagnostics and repairs.

This is more than just a technician role with great pay and benefits — it’s a chance to work independently and strengthen your skills with a company that invests in your success. You also get to take home the assigned service vehicle!

Work Schedule: Monday through Friday Day Shift

What You’ll Do

You’ll work independently in the field, providing mobile service and maintenance support for light, medium and heavy-duty vehicles. You will:

• Perform scheduled preventative maintenance, DOT inspections and follow-up repairs.
• Diagnose, adjust and repair various types of truck equipment, including but not limited to: electrical/brake/cooling systems, starters/alternators, AC systems, fan clutches, engine electronics, diesel steering systems, gas and diesel engines, manual and automatic transmissions, clutches, differentials, etc.
• Use hand tools, precision instruments, lift and jacks, welding equipment, diagnostic tools, technology and testing equipment, such as handheld computers and pressure gauges, to inspect, test and troubleshoot vehicle systems.
• Road test vehicles to identify issues, verify repairs and ensure they are operating safely and properly.
• Maintain and operate a company-issued service truck and telematics unit, including managing parts and vehicle equipment, and performing inventory reconciliation.
• Completing vehicle safety checks and pre- and post-trip inspections.
• Serve as a trusted partner to customers by understanding their needs, providing expert guidance and periodic updates, resolving issues in the field and delivering a positive service experience.
• Document completed work (including required DOT forms and service documentation), parts used and repair order findings accurately and on time using company-issued hand-held device.
• Obtain parts from approved local and national vendors as necessary for the repairs to be performed.
• Communicate with management and support team via email or phone to obtain approvals on repair estimates, retrieve purchase order numbers and/or discuss RO findings notes.
• Follow all safety, health and environmental policies and federal regulations, including OSHA, EPA and DOT standards.
• Follow an assigned daily schedule with a degree of independence, effectively managing multiple concurrent tasks while exercising sound judgment to prioritize work activities and allocate time efficiently in accordance with established procedures and guidelines.
• Maintain a high level of productivity and be able to work within or close to most Standard Repair Times.

Who You Are

You’re a skilled technician who enjoys solving problems and delivering reliable service in the field. You also have the following:

Minimum Requirements

• A high school diploma/GED and 3 years of experience in a related field; or any degree/certification above a high school diploma/GED with one year of related work experience; or 5 years of related work experience without a degree.
• A personal set of hand tools required to perform job duties.
• The ability to obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months of employment.
• This position follows regulations issued by the Department of Transportation’s (DOT) Federal Motor Carrier Safety Administration (FMCSA). Candidate must be able to successfully complete and pass a DOT-regulated pre-employment background screening and DOT physical prior to employment.
• A current and valid DOT medical card with more than four (4) months remaining until its expiration may be submitted in leu of a DOT physical. If the DOT medical card has four (4) months or less of validity remaining, a DOT physical will be required.
• Due to interstate operating authority commerce regulations, candidates must be at least 21 years or older.
• Safe drivers needed; valid driver’s license required. Candidate must hold a valid state-of-residence driver’s license, be able to obtain and maintain their Driver Qualification File.
• Strong organizational, problem-solving and communication skills.

Preferred Qualifications

• ASE T3 (Drivetrain) certification
• ASE T4 (Brakes) certification
• ASE T5 (Suspension) certification
• ASE T6 (Electrical and Electronic Systems)
• ASE T7 (HVAC) certification
• ASE 608/609 certification

Physical Requirements

• Ability to lift, bend, climb, stand and walk for extended periods of time and perform moderately heavy physical work as required.
• Ability to perform physical tasks for extended periods, including repetitive movements and activities.
• Ability to accurately judge distances and determine the location and position of objects in relation to oneself.