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Diesel Technician III

Knight’s Companies Inc.
ColumbiaSenior
Apply on Knight’s Companies Inc.’s site
Posted 24 days ago. 3,737 more Automotive / Service Technician jobs in the United States went up on company career pages this week. See the newer ones

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Straight from the company’s own careers site.

The job in short

Diesel engine repair.

Details

Found
17 d ago · posted 2026-10-16
Location
Columbia

Full description

Since 1969, Knight’s Companies has grown from a single septic tank pumping truck into a trusted, family-owned leader in construction and manufacturing services. Built on quality, integrity, and customer service, Knight’s Companies is committed to excellence across its Redi-Mix, Precast, Trucking, and Pumping operations. We are seeking a dedicated and skilled Diesel Technician Level III to join our maintenance team. In this role, you will be responsible for ensuring the safe, reliable, and efficient operation of a diverse fleet of vehicles and heavy equipment. You will also provide guidance and support to Diesel Technicians I and II, contributing to a collaborative and safety-focused work environment. If you have a strong background in vehicle repair and maintenance, and a commitment to quality workmanship, we encourage you to apply. What You'll Do: • 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. What You Need to Succeed: • 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: knowledge of Excel, Word, Fleet Management Systems, and Email • Strong written and verbal communication skills (documentation, communication with peers, supervisors, etc.) Physical Demands: • Ability to lift a minimum of 50 lbs. from floor to waist height. • Ability to carry minimum of 50 lbs. over a 5-foot span. • Ability to push / pull a minimum of 50 lbs. across a 10-foot span. • Ability to lift a minimum of 20 lbs. from waist to shoulder. • Use their hands to handle, control, or feel objects, tools, or controls. • Ability to stand for extended periods of time. • Ability to bend or twist body without restriction. • Ability to kneel, stoop, crouch, or crawl. • Ability to work in extreme weather, including but not limited to high heat, low temperature, and high sun environments. #zr What We Offer: • Competitive pay • 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 • Voluntary insurance programs including Life, Critical Illness, Hospitalization, Accident and Pet Insurance. Interested in opportunities in other Knight’s Companies locations? We’re hiring across our other markets: • Lowcountry: Charleston/Jedburg/St. George/Moncks Corner • Midlands: Columbia/Lexington/Irmo/Blythewood/Lugoff/Sumter • South: Aiken/Hampton/Beaufort/Okatie/Richmond Hill/Savannah Visit our careers page to explore all openings: www.knightscompanies.com Join our team and be part of a company that values safety, hard work and professionalism. We offer a supportive work environment, opportunities for growth, and comprehensive benefits to help you succeed in your career. EOE

Automotive / Service Technician jobs in the United States · All Knight’s Companies Inc. jobs · Senior Automotive / Service Technician jobs in the United States

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