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Diesel Technician​/Mechanic III

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Zūm
Full Time position
Listed on 2026-09-13
Job specializations:
  • Trades / Skilled Labor
    Heavy Equipment Mechanic, Diesel Mechanic
Salary/Wage Range or Industry Benchmark: 25 - 29 USD Hourly USD 25.00 29.00 HOUR
Job Description & How to Apply Below

About Zūn

Zūn is revolutionizing mass mobility with its Connected Mobility Experience ( Zūn CMX ) system that connects and coordinates people, vehicles, and operations in real time. In the $50 billion student mobility market—the largest segment of the mass mobility industry—Zūn CMX is transforming a daily source of anxiety and disruption into a reliable, transparent, and efficient mobility experience for students and families.

Today, more than 6,500 schools rely on Zūn CMX. Recognized globally for its innovative approach and operational execution, Zūn has been named to Fast Company’s World’s Most Innovative Companies, CNBC Disruptor 50 and Changemakers, the World Economic Forum, and the Financial Times’ Fastest Growing Companies lists. Zūn is backed by leading investors including Sequoia Capital, GIC, TPG, and Softbank.

About Zūn

Zūn is revolutionizing mass mobility with its Connected Mobility Experience ( Zūn CMX ) system that connects and coordinates people, vehicles, and operations in real time. In the $50 billion student mobility market—the largest segment of the mass mobility industry—Zūn CMX is transforming a daily source of anxiety and disruption into a reliable, transparent, and efficient mobility experience for students and families.

Today, more than 6,500 schools rely on Zūn CMX. Recognized globally for its innovative approach and operational execution, Zūn has been named to Fast Company’s World’s Most Innovative Companies, CNBC Disruptor 50 and Changemakers, the World Economic Forum, and the Financial Times’ Fastest Growing Companies lists. Zūn is backed by leading investors including Sequoia Capital, GIC, TPG, and Softbank.
Zūn is adding to our team of passionate people who are transforming student transportation. As a maintenance technician at Zūn, you will help ensure that Zūn's fleet of school buses is kept in safe and optimal operating condition, by determining required repairs and maintenance in accordance with regulatory requirements and industry standards.

Responsibilities
  • Diagnose malfunctions and perform vehicle repairs (e.g. adjust/test steering, electrical, cooling, lubricating, braking systems, drive trains, suspensions, power steering units, clutches, transmissions and oil, temperature, gas regulating components, adjust/test/rebuild engines, etc.) and related assigned duties within qualification level, following all relevant. Federal, State/ and local guidelines and requirements.
  • Test-drive vehicles to ensure repair resolved the problem.
  • Arrange for and obtain appropriate inspections and approval of all major repairs before the vehicle is released from the maintenance facility.
  • Maintain a safe, clean, productive, and efficient work area including ensuring the work area complies with all relevant Federal, State/Provincial, and local guidelines and requirements.
  • Identify and report any additional maintenance and/or repairs found necessary in conducting assigned repairs and maintenance including repairs and maintenance required to be performed by Technicians with a higher qualification level.
  • Record time spent, parts used and repairs and/or maintenance conducted on the appropriate form.
  • Perform road calls and on the road repairs as assigned.
  • Advise Lead Technician of unsafe maintenance conditions or practices and/or vehicle abuse.
Qualifications
  • Minimum of two to four years medium/heavy truck Fleet mechanic repair experience.
  • Diagnostic, Electrical, and AC skills are a must.
  • Technical knowledge of major vehicle systems and diesel equipment is required.
  • Have previous fleet experience and are familiar with diesel and gasoline systems.
  • Possess the recommended minimum Hand tools for a Diesel Technician.
  • Ability to use good judgment and Decision-Making skills.
  • Valid applicable state…
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