Mobile Diesel Technician III
Knights Companies
| Company | Knights Companies |
| Category | Engineering |
| Location | Beaufort |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 31 Jul 2026 |
| Last verified | 9 Aug 2026 |
| Source | Employer ATS (paylocity) |
Description
Description
We are seeking a dedicated and skilled Mobile Diesel Technician III to join our dynamic team. This role offers an excellent opportunity to work in a collaborative environment where safety, quality, and customer satisfaction are our top priorities. If you have a passion for vehicle maintenance and repair, and thrive in a team-oriented setting, we encourage you to apply.
What You'll Do:
• Travel to company locations to perform service calls, diagnose and repair trucks and associated equipment.
• Change and repair tires according to manufacturer specifications.
• Perform oil and filter services on automobiles, concrete trucks, tractor-trailers, and various types of equipment.
• Conduct diagnostics and repairs on electrical systems, ranging from auxiliary components such as lighting and switches to complex 12V and 24V primary electrical architectures on fleet trucks.
• Assess power and hydraulic systems to verify proper operation in accordance with manufacturer specifications.
• Complete lubrication and greasing of all wear items to ensure optimal performance and longevity.
• Perform major diagnosis and repair of gas and diesel engines.
• Diagnose and repair fuel injection, transmission, and regeneration systems using laptop and scan diagnostic tools.
• Diagnose and repair universal, slip joints, support bearings on drive shafts, air and hydraulic brake systems and pressurized water systems.
• Provide guidance and assistance to Diesel Technicians I and II when needed.
• Other duties as assigned.
What We Offer:
• Competitive pay with opportunities for growth
• 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
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: Hampton/Beaufort/Okatie/Richmond Hill/Savannah
Visit our careers page to explore all openings: www.knightscompanies.com
Requirements
• Valid CDL A 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.
• 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.)
• Travel up to 50% within the market.
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.