Demo

Diesel Technician/Mechanic II

Zūm
St Louis, MO Full Time
POSTED ON 7/27/2026
AVAILABLE BEFORE 8/25/2026
About Zūm

Zūm is revolutionizing mass mobility with its Connected Mobility Experience ( Zūm 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 – Zūm 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 4,500 schools rely on Zūm CMX . Recognized globally for its innovative approach and operational execution, Zūm 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. Zūm is backed by leading investors including Sequoia Capital, GIC, TPG, and Softbank.

About The Role

We're seeking a skilled Technician II to contribute to maintenance operations at our St. Louis, MO site. This role encompasses vehicle diagnostics, repairs, and preventive maintenance with increasing complexity. You'll diagnose mechanical and electrical issues, assist with major component rebuilds, and ensure vehicles meet stringent safety and compliance standards. You'll be a vital part of our transportation operations, maintaining fleet reliability and safety for students and communities.

What Makes You Successful In This Role

You're a developing technician who excels in a dynamic maintenance environment where challenges vary daily. You balance efficiency with meticulous attention to safety and quality standards. You're a capable problem-solver who can diagnose issues across major vehicle systems and execute repairs with confidence. You're eager to expand your skills and learn from senior technicians while taking ownership of your assigned work. You're comfortable performing diagnostics with modern tools, executing complex electrical and AC repairs, and maintaining thorough documentation. You keep your workspace organized, follow proper procedures, and consistently deliver quality repairs.

Responsibilities

Vehicle Diagnostics & Repair

  • Diagnose malfunctions and perform vehicle repairs including steering, electrical, cooling, lubricating, braking systems, drive trains, suspensions, power steering units, clutches, transmissions, and oil, temperature, gas regulating components, and related assigned duties within qualification level, in accordance with all relevant Federal, State/Provincial and local guidelines and requirements.
  • Assist Tech I’s with the rebuilding of engines, transmissions, and differentials as assigned by the manager.
  • Perform test drives during Preventative Maintenance inspections to identify driver reported issues and conduct test drives after service to confirm repairs have been completed successfully.

Maintenance Operations & Quality Control

  • Arrange for and obtain appropriate inspections and approval of all major repairs before the vehicle is released from the maintenance facility.
  • 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.
  • Perform work assigned by manager or lead when supervised.
  • 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.

Safety & Compliance

  • Maintain a safe, clean, productive, and efficient work area including ensuring the work area is in compliance with all relevant Federal, State/Provincial, local guidelines and requirements, and company Housekeeping standards and safety regulations
  • Advise Lead Technician of unsafe maintenance conditions or practices and/or vehicle abuse
  • Work assigned shift and overtime as needed (AM/PM)

Qualifications

Basic Qualifications:

  • Minimum of two to four years medium/heavy truck Fleet mechanic repair experienc
  • Diagnostic, Electrical, and AC skills are a must.
  • Technical knowledge of major vehicle systems and diesel equipment is required.
  • Previous fleet experience with familiarity with diesel and gasoline systems.
  • Possess the recommended minimum hand tools for a Medium and Heavy Duty and Diesel Technician.
  • Ability to use good judgment and decision-making skills.

Prefrred Qualifications

  • Valid CDL License (Must be able to obtain within the first 90 days of employment).
  • ASE Certification in brakes, suspension, engine, electrical, A/C or a Master School Bus and/or a Master Truck Technician.

$32.21 - $32.21 an hour

The targeted base salary range for this role is listed in the compensation section below. Actual salary may be above or below this range based on factors such as location, skills, and relevant experience. In addition, this position may include additional compensation in the form of bonus, equity, or commissions. If you are a full-time salaried or hourly worker, we offer the following benefits: Medical, Dental, Vision, 401(k), Holidays, Wellness, Vacation, and more.

Zūm Services, Inc. and all its subsidiaries provide equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Salary : $32

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Diesel Technician/Mechanic II?

Sign up to receive alerts about other jobs on the Diesel Technician/Mechanic II career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$54,949 - $68,457
Income Estimation: 
$62,239 - $76,399
Income Estimation: 
$56,866 - $72,428
Income Estimation: 
$54,949 - $68,457
Income Estimation: 
$62,239 - $76,399
Income Estimation: 
$56,866 - $72,428
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Zūm

  • Zūm Columbia, MD
  • About Zūm Zūm CMX *Zūm CMX* Zūm CMX About The Role We're seeking an experienced Technician I to serve as a cornerstone of our maintenance operations. This ... more
  • 1 Day Ago

  • Zūm Shawnee, KS
  • Zūm is a rapidly expanding Series E startup backed by industry leaders Sequoia Capital, SoftBank, Spark Capital, and GIC, with a bold mission to transform ... more
  • 5 Days Ago

  • Zūm Johnston, RI
  • About Zūm Zūm is revolutionizing mass mobility with its Connected Mobility Experience ( Zūm CMX ™) system that connects and coordinates people, vehicles, a... more
  • 6 Days Ago

  • Zūm Fresno, CA
  • About Zūm Zūm is revolutionizing mass mobility with its Connected Mobility Experience ( Zūm CMX ™) system that connects and coordinates people, vehicles, a... more
  • 6 Days Ago


Not the job you're looking for? Here are some other Diesel Technician/Mechanic II jobs in the St Louis, MO area that may be a better fit.

  • STROKIN DIESEL Oneonta, AL
  • Experienced Diesel Technician Strokin Diesel – Oneonta, AL Pay: Flat Rate $35.00–$55.00 Per Flagged Hour (Based on Experience) Job Type: Full-Time About St... more
  • 26 Days Ago

  • Diesel Guru's Jacksonville, FL
  • We’re excited to announce that we’re hiring for a dynamic dual-role position in roadside assistance and shop support! At our 24-hour Jacksonville- based se... more
  • 27 Days Ago

AI Assistant is available now!

Feel free to start your new journey!