Sr Mobile Diesel Mechanic

EV Battery Solutions by Cox Automotive

Hopedale (MA)

On-site

USD 55,000 - 75,000

Full time

14 days+
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Benefits offered by this job

Weekly pay
Safe driving bonuses
Uniforms provided
Technical training opportunities

Job summary

EV Battery Solutions by Cox Automotive is seeking a Sr. Mobile Diesel Technician in Hopedale, Massachusetts. This role involves conducting DOT inspections, preventative maintenance, and complex repairs on various vehicles in a mobile environment. The technician will leverage advanced diagnostic tools and lead projects on-site. Candidates must have a minimum of 3 years' experience, valid DOT medical card, and a high school diploma or GED. Competitive benefits include health insurance starting Day One and a $3,000 new hire bonus.

Qualifications

  • 3+ years of related experience required.
  • Valid driver's license needed.
  • Ability to maintain a Driver Qualification File.

Responsibilities

  • Perform preventative maintenance and DOT inspections.
  • Diagnose and repair vehicle systems in the field.
  • Manage parts inventory and service vehicle maintenance.

Skills

Understanding of diesel engines
Communication skills
Problem-solving
Physical ability for lifting and bending

Education

High School Diploma or GED

Tools

Hand tools
Diagnostic instruments

Job description

About Cox Fleet

Headquartered in Indianapolis, Cox Fleet is one of the largest fleet maintenance companies in the country, providing on‑site mobile maintenance and repair services for light, medium, and heavy‑duty trucks and trailers. The company also serves customers through over 50 nationwide service centers that offer accident repair, painting, refurbishment, and heavy mechanical repair. Cox Fleet is supported by a 24/7 in‑house call center and offers scheduled and unscheduled maintenance services to fleets anywhere, anytime.

Equal Opportunity Employer

We are an Equal Opportunity Employer, including disability and veterans.

Job Title

Sr. Mobile Diesel Technician

Job Summary

The Sr. Mobile Diesel Technician will perform licensed DOT inspections, preventative maintenance, light and advanced repairs, and advanced mechanical, hydraulic, electrical, and electronic diagnostics in a mobile field environment. The role requires advanced diagnostics, triage of complicated repairs, and leadership on jobsites as a consultant for customers and technicians. Successful technicians meet company policies and high performance metrics.

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 systems, engines (gas and diesel), transmissions, clutches, and differentials.
  • Diagnose, adjust, and repair various truck systems, identifying malfunction causes using diagnostic instruments such as handheld computers and pressure gauges.
  • Road‑test vehicles to confirm proper operation after repairs.
  • Identify problems, evaluate alternatives, and apply sound judgment in diagnostic and repair decisions.
  • Manage parts inventory and equipment on company‑issued service trucks, performing periodic reconciliation.
  • Maintain and operate company‑issued service vehicles, including safety checks and pre/post‑trip inspections.
  • Communicate effectively with clients to assess needs, provide information, resolve problems, and satisfy expectations.
  • Prioritize concurrent tasks and allocate time efficiently.
  • Use hand tools, precision instruments, diesel tools, welding equipment, lift‑and‑jacks as required.
  • Document work in company standards, upload pictures and parts used on Repair Orders (“RO”) via the TRAIT application on an iOS device.
  • Complete DOT and other required documentation in a timely fashion.
  • Work independently, managing daily schedule and productivity within or near standard repair times.
  • Source parts from approved local and national vendors as needed.
  • Communicate with management and support teams via email or phone for repair estimates, purchase orders, and RO notes.
  • Perform all work in compliance with safety, health, environmental policies, and federal regulations (OSHA, EPA, DOT).
Requirements
  • High School Diploma or GED with at least 3 years of related experience. Candidates with alternative education or higher degree may be considered.
  • At least 3 years of experience with refrigerated equipment.
  • Supply a set of hand tools necessary for the duties.
  • OEM training and certifications preferred.
  • Complete all company‑required training.
  • Support DOT regulations; successful completion of DOT‑regulated background screening and DOT physical before employment.
  • Valid DOT medical card with more than 4 months remaining or a DOT physical if validity is ≤4 months.
  • Minimum age 21 due to interstate operation regulations.
  • Valid driver’s license and ability to maintain a Driver Qualification File.
Required Certifications (obtainable within 18 months)
  • A.S.E. T8 (PMI) certification
  • A.S.E. 608/609 certification
Preferred Certifications
  • A.S.E. T2 (Diesel Engines)
  • A.S.E. T3 (Drivetrain)
  • A.S.E. T4 (Brakes)
  • A.S.E. T5 (Suspension)
  • A.S.E. T6 (Electrical and Electronic Systems)
  • A.S.E. T7 (HVAC)
  • A.S.E. A8 (Engine Performance)
  • A.S.E. L1 (Advanced Engine Performance)
  • A.S.E. L2 (Electronic Diesel Engine Diagnosis) certification
Skills & Abilities
  • Understand implications of new information for current and future problem‑solving and decision‑making.
  • Physical ability to lift, bend, climb, stand, and walk for long periods; perform moderately heavy labor and repetitive tasks.
  • Effective communication, succinct and organized, with individuals and groups.
  • Determine required tools and equipment.
  • Accurately judge distance between objects.
  • Use logic and reasoning to identify strengths and weaknesses of alternative solutions, conclusions, and approaches.
Why Cox Fleet
  • Weekly pay, paid every Friday for convenience and flexibility.
  • Safe driving and tech efficiency bonuses.
  • Reimbursement for safety boots, safety glasses, and extreme weather gear.
  • Uniforms provided with laundry service where available.
  • Opportunity to take the service truck home daily.
  • Tablet and company cellphone provided.
  • Technical training to advance career.
  • Dedicated career path; more than 50% of front‑line managers are promoted from within.
Benefits
  • Health, dental, vision insurance starts Day One.
  • 401(k) matching after 90 days: 100% match up to 6% contribution and an additional 2% discretionary contribution.
  • Accrue up to 200 hours (5 weeks) of Paid Time Off based on tenure.
  • Tuition assistance/reimbursement.
  • Adoption and surrogacy assistance.
  • Pet insurance.
  • Multiple employee resource groups, diversity groups, and company‑paid volunteer hours.
  • Employee discounts on vehicle purchases, cellphone plans, ridesharing, home/rental insurance, wellness/fitness incentives and more.
New Hire Bonus

$3,000 bonus: 50% paid after 30 days and 50% paid after 180 days.

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