Mobile Diesel Mechanic II

Cox Automotive Inc.

Portsmouth (NH)

On-site

USD 44,179 - 66,303

Full time

14 days+
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Benefits offered by this job

Health, dental, vision insurance starting Day One
401(k) matching
Paid Time Off (up to 200 hours)
Tuition assistance/reimbursement
Employee discounts

Job summary

Cox Automotive Inc. is seeking a Mobile Diesel Technician II in Portsmouth, NH. This position involves performing preventative maintenance, inspections, and repairs on a variety of diesel vehicles in a mobile environment. Candidates must possess relevant qualifications and experience, along with a valid driver's license.

Benefits include health insurance from Day One, 401(k) matching, and paid time off. Hourly pay ranges from $32.07 to $48.13 based on qualifications and location. Apply today to join our team!

Qualifications

  • 2-5 years of relevant experience in mobile diesel repair.
  • Must possess a valid driver's license and be at least 21 years old.
  • Must pass DOT pre-employment background screening.

Responsibilities

  • Perform scheduled preventative maintenance on vehicles.
  • Diagnose and repair truck systems and components.
  • Independently manage parts inventory on a service truck.

Skills

Understanding implications of new information
Physical capability to lift and stand
Effective two-way communication
Logic and reasoning

Education

High School Diploma or GED

Tools

Hand tools necessary for job duties

Job description

Position: Mobile Diesel Technician II

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, starters, alternators, fan clutches, engine electronics, diesel steering, transmissions, clutches, and differentials.
  • Diagnose, adjust, and repair various truck systems and components.
  • Inspect, test, and listen to defective equipment to diagnose malfunctions using handheld computers, pressure gauges, and other test instruments.
  • Road test vehicles to diagnose malfunctions and confirm proper operation.
  • Identify problems, evaluate alternatives, and determine the best course of action using sound judgment.
  • Independently manage parts inventory and equipment on a company‑issued service truck, performing periodic reconciliations.
  • Maintain and operate the company‑issued service vehicle, conducting safety checks and pre‑/post‑trip inspections.
  • Work effectively with clients and customers to assess their needs, provide information or assistance, and resolve problems.
  • Manage concurrent assigned tasks, prioritizing work activities and time allocations.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lift and jacks.
  • Document work performed according to company standards, uploading pictures and details to Repair Orders (RO) via the proprietary TRAIT application.
  • Accurately complete DOT forms and all required documentation in a timely manner.
  • Work independently and manage one's own daily schedule.
  • Maintain a high level of productivity and meet or exceed standard repair times.
  • Obtain parts from approved local and national vendors as necessary.
  • Communicate with management and support teams via email or phone to obtain approvals on repair estimates and retrieve purchase order numbers.
  • Perform all work in compliance with organizational safety, health, environmental policies, and federal regulations (OSHA, EPA, DOT).
Required Certifications
  • ASE T8 (PMI) certification
  • ASE 608/609 certification
Preferred Certifications
  • ASE T2 (Diesel Engines)
  • ASE T3 (Drivetrain)
  • ASE T4 (Brakes)
  • ASE T5 (Suspension)
  • ASE T6 (Electrical and Electronic Systems)
  • ASE T7 (HVAC)
  • ASE A8 (Engine Performance)
  • ASE L1 (Advanced Engine Performance Specialist)
  • ASE L2 (Electronic Diesel Engine Diagnosis Specialist)
Qualifications
  • High School Diploma or GED with three years of relevant experience, or a higher degree or certification combined with five years of experience.
  • At least three years of experience with refrigerated equipment.
  • Must possess and supply a set of hand tools necessary for job duties.
  • OEM training and certifications are preferred.
  • Must complete all company–required training.
  • Must pass a DOT‑regulated pre‑employment background screening and DOT physical, or submit a current DOT medical card with more than four months remaining.
  • Must be at least 21 years old and possess a valid driver's license, with the ability to obtain and maintain a Driver Qualification File.
Skills & Abilities
  • Understand implications of new information for current and future problem‑solving and decision‑making.
  • Physical capability to lift, bend, climb, stand, and walk for long periods, including moderate heavy laboring.
  • Communicate information succinctly and organized, engaging in effective two‑way communication.
  • Determine the type of tools and equipment needed for tasks.
  • Accurately judge distances between objects.
  • Use logic and reasoning to evaluate strengths, weaknesses, and alternatives.
Benefits
  • Health, dental, vision insurance starting Day One.
  • 401(k) matching: 100% match up to 6% contribution and an additional 2% discretionary contribution after 90 days.
  • Paid Time Off (PTO) accrual: up to 200 hours (5 weeks) based on tenure.
  • Tuition assistance/reimbursement.
  • Adoption/Surrogacy assistance.
  • Pet insurance.
  • Diversity and inclusion resources and paid volunteer hours.
  • Employee discounts on vehicles, cell plans, ridesharing, insurance, and wellness programs.
Compensation

Hourly pay rate ranges from $32.07 to $48.13 per hour, varying by location and candidate qualifications. Additional compensation may include commission and incentive programs.

Legal & Status

Applicants must currently be authorized to work in the United States without sponsorship.

Equal Opportunity Employer, including disability and veterans.

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