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Mobile Diesel Mechanic II

Job in Sebring, Highlands County, Florida, 33876, USA
Listing for: Fleet Services by Cox Automotive
Full Time, Seasonal/Temporary position
Listed on 2026-01-01
Job specializations:
  • Transportation
Job Description & How to Apply Below
Position: Mobile Diesel Mechanic II $3000 New Hire Bonus

Overview

Mobile Diesel Mechanic II role at Fleet Services by Cox Automotive. Join to apply for the position.

Fleet Services – A Cox Automotive Company keeps fleets moving with on-site mobile maintenance and repair services nationwide. Headquartered in Indianapolis, Fleet Services is one of the largest fleet maintenance companies in the country, with 50+ service centers and 24/7 in-house support.

Responsibilities
  • Perform scheduled preventative maintenance (PM), DOT inspections, and follow-up repairs on light, medium, and heavy-duty vehicles in a mobile/field environment.
  • Perform minor adjustments and repairs on truck equipment including Electrical/Brake/Cooling Systems, Starters/Alternators, Engine electronics, Diesel steering systems, Transmissions, Clutches, Differentials, and related components.
  • Diagnose, adjust, and repair various truck systems and components as described above; inspect, test, and listen to equipment to diagnose malfunctions using test instruments.
  • Road test vehicles to confirm proper operation after repairs.
  • Identify problems, evaluate information, and generate solutions with sound judgment.
  • Independently manage parts inventory and equipment on the company-issued service truck, including periodic reconciliation.
  • Maintain and operate the company-issued service vehicle; conduct safety checks and pre-/post-trip inspections.
  • Communicate with clients to assess needs, provide information, resolve issues, and meet expectations.
  • Manage concurrent tasks, prioritizing work activities and time allocations.
  • Use hand tools, precision instruments, Diesel tools, welding equipment, lifts, and jacks.
  • Document according to company standards and upload pictures of work performed, parts used, and findings on Repair Orders using an iOS device and TRAIT application.
  • Accurately complete DOT forms and other documentation in a timely fashion.
  • Work with a high degree of independence and manage daily schedule; maintain productivity within standard repair times.
  • Obtain parts from approved local and national vendors as necessary for repairs.
  • Communicate with management and support teams to obtain approvals on repair estimates and discuss findings.
  • Perform all work in compliance with safety, health, and environmental policies and applicable regulations (OSHA, EPA, DOT).
  • Maintain the service truck and conduct safety checks and daily pre-/post-trip inspections.
Requirements
  • High School Diploma/GED and 3 years’ related experience, or an equivalent combination of education and experience (e.g., higher degree/certification or 5 years’ related experience).
  • Possess and supply a set of hand tools necessary to perform required duties.
  • Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
  • Must be able to complete and pass a DOT-regulated pre-employment background check and DOT physical prior to employment.
  • A valid DOT medical card with more than four months remaining may substitute for a DOT physical; if four months or less remain, a DOT physical is required.
  • Candidates must be at least 21 years old due to interstate operating authority.
  • Valid driver’s license required and ability to obtain/maintain a Driver Qualification File.
Certifications
  • ASE T8 (PMI) certification (required within 18 months).
Preferred Certifications
  • ASE T3 (Drivetrain)
  • ASE T4 (Brakes)
  • ASE T5 (Suspension)
  • ASE T6 (Electrical and Electronic Systems)
  • ASE T7 (HVAC)
  • ASE 608/609
Skills & Abilities
  • Ability to understand the implications of new information for problem solving and decision-making.
  • Physical ability to lift, bend, climb, stand, and walk for long periods; able to perform moderately heavy work.
  • Ability to perform repetitive tasks and maintain energy over long periods.
  • Clear, concise communication and effective two-way interaction with individuals and groups.
  • Ability to determine required tools and equipment.
  • Good spatial awareness and the ability to judge distances and object locations.
  • Use logic and reasoning to evaluate solutions and approaches to problems.
Why Fleet Services by Cox Automotive?
  • Weekly pay with Friday payroll.
  • Safety bonuses and technology-related incentives.
  • Boots and safety glasses reimbursement.
  • Extreme weather gear provided; uniforms with laundry service where available.
  • Take the service truck home daily where permitted.
  • Tablet and company cellphone provided.
  • Technical training to advance your career.
  • Dedicated career path – over 50% of front-line managers promoted from within.
Benefits
  • Health, dental, and vision insurance starts Day One.
  • 401(k) with company matching and discretionary contribution.
  • Paid Time Off up to 200 hours (based on tenure).
  • Tuition assistance/reimbursement.
  • Adoption/Surrogacy assistance.
  • Pet insurance and employee discounts on various services.
  • ERGs and volunteer opportunities.
Job Details
  • Seniority level:
    Entry level
  • Employment type:

    Full-time
  • Job function:
    Management and Manufacturing
  • Industries:
    Truck Transportation

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