Diesel Fleet Technician: Diagnostics & Repairs

Zūm; St. Louis (MO); On-site; USD 34,000 - 40,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k)

Job summary

Zūn Services, Inc. seeks a skilled maintenance technician to keep our fleet of school buses in top condition. You will diagnose malfunctions, perform repairs, and ensure safety and compliance while coordinating with the maintenance team.

The role requires 2–4 years in medium/heavy truck fleet repair, diesel and gasoline system knowledge, and a valid CDL. You will drive to locations for on-site repairs and contribute to safe, reliable transportation.

Qualifications

• 2–4 years medium/heavy truck fleet mechanic repair experience.
• Diagnostic, Electrical, and AC skills required.
• Technical knowledge of major vehicle systems and diesel equipment.
• Familiar with diesel and gasoline systems and fleet experience.
• Possess the recommended minimum hand tools for a Diesel Technician.
• CDL license (valid state) required.

Responsibilities

• Diagnose malfunctions and perform vehicle repairs following federal, state/provincial, and local guidelines.
• Test-drive vehicles to verify repair.
• Arrange inspections and approvals for major repairs before release.
• Maintain a safe, clean, and efficient work area complying with guidelines.
• Identify additional maintenance needs and report to higher-qualification technicians.
• Record time, parts, and repairs performed on official forms.
• Perform road calls and on-the-road repairs as assigned.
• Advise Lead Technician of unsafe maintenance conditions or vehicle abuse.

Skills

Fleet mechanic experience

Diagnostic skills

Electrical skills

AC skills

Diesel systems knowledge

CDL license

Tools

Diesel technician hand tools

Job description

Zūn Services, Inc. seeks a skilled maintenance technician to keep our fleet of school buses in top condition. You will diagnose malfunctions, perform repairs, and ensure safety and compliance while coordinating with the maintenance team.

The role requires 2–4 years in medium/heavy truck fleet repair, diesel and gasoline system knowledge, and a valid CDL. You will drive to locations for on-site repairs and contribute to safe, reliable transportation.