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Sr Mobile Diesel Mechanic Overnight

Job in Hazelton Mills, McKean County, Pennsylvania, USA
Listing for: Fleet Services by Cox Automotive
Full Time position
Listed on 2026-02-06
Job specializations:
  • Trades / Skilled Labor
    Heavy Equipment Mechanic, Diesel Mechanic
Job Description & How to Apply Below
Location: Hazelton Mills

Overview

Cox Fleet keeps your fleet moving. Headquartered in Indianapolis, Cox Fleet has grown to become one of the largest fleet maintenance companies in the country. Cox Fleet is the leading provider of on-site mobile maintenance and repair services nationwide, offering mobile on-site fleet service for light, medium, and heavy-duty trucks and trailers. Cox Fleet also services customers utilizing its 50+ nationwide service centers;

each offering accident repair, painting, refurbishment, and heavy mechanical repair. We are supported by a 24/7 in-house call-center and provide scheduled maintenance services and unscheduled services to fleets anywhere, anytime.

Cox Fleet is currently hiring a Sr. Mobile Diesel Technician
.

The Sr. Mobile Diesel Technician will be responsible for performing licensed DOT inspections, Preventative Maintenance inspections, light and advanced repairs, advanced mechanical/hydraulic/electrical and electronic diagnostics, and other duties as assigned. Heavily relied upon for advanced diagnostics and triage of complicated repairs by Mobile Diesel Technician I/II. Considered the Lead on jobsites by customers and Technicians. Functions as a consultant on the customer’s behalf.

A successful Sr Mobile Diesel Technician complies with all company policies and achieves high level 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 adjustment and repairs on various types of truck equipment including electrical, brake, cooling systems, starters/alternators, fan clutches, engine electronics, diesel steering systems, engines (gas and diesel), transmissions (manual and automatic), clutches, differentials, etc.
  • Diagnose, adjust, and repair the same range of truck equipment, with emphasis on electrical/ braking/cooling systems, air conditioning, engine electronics, and related components.
  • Inspect, test, and listen to defective equipment to diagnose malfunctions using test instruments such as handheld computers and pressure gauges.
  • Road test vehicles to diagnose malfunctions and ensure proper operation.
  • Identify problems, determine accuracy and relevance of information, and generate and evaluate alternatives.
  • Independently manage parts inventory and equipment provided on the company-issued service truck and perform periodic reconciliation.
  • Maintain and operate the company-issued service vehicle, conduct safety checks, and perform pre-/post-trip inspections.
  • Work with and listen effectively to clients and customers to assess needs, provide information or assistance, resolve problems, or satisfy expectations.
  • Manage concurrent assigned tasks, prioritize work and allocate time effectively.
  • Use hand tools, precision instruments, and diesel-related 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 the TRAIT application on an iOS device.
  • Accurately complete DOT forms and other documentation in a timely fashion.
  • Work with a high degree of independence and manage daily schedule.
  • Maintain a high level of productivity and operate within or near 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, retrieve PO numbers, and discuss RO findings.
  • Perform all work in compliance with safety, health, and environmental policies and regulations (OSHA, EPA, DOT).
  • Maintain the service truck and conduct safety checks and daily pre/post-trip inspections.
Requirements
  • High School Diploma/GED and 5 years of related experience. The right candidate could also have a different combination, such as any level degree/certification beyond HS with 3 years of related experience; or 7 years of related experience.
  • Possess and supply a set of hand tools necessary to perform required job duties.
  • Obtain Automotive Service Excellence (ASE) certification T8 (PMI) within 18 months.
  • Obtain 608/609 certification within 18 months.
  • DOT/FMCSA…
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