Senior Diesel Technician – Fleet Diagnostics & Repairs

Knight's Companies

Summerville (SC)

On-site

USD 44,000 - 50,000

Full time

3 days ago
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Benefits offered by this job

Competitive pay with opportunities for
Medical, Dental, and Vision Insurance
Paid Time Off (PTO) and Paid Holidays
401(k) with Company Match
Short-Term Disability (STD)
Long-Term Disability (LTD)
Company-Paid Life Insurance

Job summary

Knight's Companies in Summerville, SC is seeking a Diesel Technician Level III to join our maintenance team. The role involves diagnosing and repairing a diverse fleet, guiding Diesel Technicians I and II, and ensuring safe, high-quality workmanship across all tasks.

You will service tires, perform oil/filter changes on varied equipment, diagnose electrical systems, and maintain hydraulic and power systems. Travel for on-site repairs is required with a focus on safety and documentation.

Qualifications

  • Valid Driver’s License required.
  • High School Diploma/GED preferred.
  • Auto or diesel technology diploma from an accredited technical school preferred; or minimum of 5 years’ experience performing maintenance or mechanical ability.
  • ASE Certifications preferred.
  • Commercial Driver’s License Class A or B preferred.
  • Ability to operate a manual transmission vehicle to determine if it is operating properly.
  • Must provide own hand tools & toolbox.
  • Knowledge of handheld scanning tools and the process of diagnosing vehicles.
  • Ability to read schematics and familiarity with the process.
  • Proficient computer skills: Excel, Word, Fleet Management Systems, and Email.
  • Strong written and verbal communication skills (documentation, communication with peers, supervisors, etc.)

Responsibilities

  • Change and repair tires in accordance with manufacturer specifications.
  • Perform oil and filter services on a variety of vehicles including automobiles, concrete trucks, tractor-trailers, front-end loaders, and other equipment.
  • Conduct diagnostics and repairs on electrical systems, ranging from auxiliary components such as lighting and switches to complex 12V and 24V electrical architectures on fleet trucks and heavy machinery.
  • Assess and maintain power and hydraulic systems to ensure proper operation and safety standards.
  • Assist and provide guidance to Diesel Technicians I and II, supporting team efforts and knowledge sharing.
  • Maintain accurate records of maintenance and repairs performed.
  • Adhere to safety protocols and ensure all work is completed in compliance with industry standards and regulations.
  • Perform service calls to diagnose and repair off-site trucks and equipment using company service vehicle.
  • Provide on-site repair services by traveling to plant facilities and vehicle locations.
  • Diagnose and repair universal, slip joints, support bearings on drive shafts, air and hydraulic brake systems and pressurized water systems.
  • Work closely with Area Fleet Manager to maintain positive workflow throughout the shop.
  • Other duties as assigned.

Skills

Diesel knowledge
Communication
Excel
Word
Fleet Management
Email
Handheld scanners
Reading schematics
Manual transmission operation

Education

Auto or diesel tech diploma
High School Diploma/GED
ASE Certifications
5 years maintenance experience

Tools

Handheld scanning tools

Job description

Knight's Companies in Summerville, SC is seeking a Diesel Technician Level III to join our maintenance team. The role involves diagnosing and repairing a diverse fleet, guiding Diesel Technicians I and II, and ensuring safe, high-quality workmanship across all tasks.

You will service tires, perform oil/filter changes on varied equipment, diagnose electrical systems, and maintain hydraulic and power systems. Travel for on-site repairs is required with a focus on safety and documentation.

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