Diesel Fleet Technician II – Diagnostics & Repair

Lever, Inc.; Oakland (CA); On-site; USD 48,000 - 68,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401(k)

Holidays

Wellness Program

Paid Vacation

Job summary

Zūm Services, Inc. is seeking a skilled Technician II for our San Bernardino, CA site to handle diagnostics, repairs, and preventive maintenance with increasing complexity.

You will diagnose mechanical and electrical issues, assist with engine and transmission rebuilds, and ensure safety and compliance standards are met in a dynamic fleet operation. The role emphasizes troubleshooting across major vehicle systems, documentation, and collaboration with senior technicians.

Qualifications

• Two to four years of medium/heavy truck fleet repair experience.
• Diagnostic, Electrical, and AC skills are required.
• CDL license required within 90 days; ASE/Master technician certification preferred.

Responsibilities

• 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.
• 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 supervisedRecord time spent, parts used and repairs and/or maintenance conducted on the appropriate form.
• Perform road calls and on-the-road repairs as assigned.
• 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)

Skills

Diagnostic skills

Electrical systems

Diesel knowledge

Problem solving

Safety awareness

Education

CDL License

ASE Certification

Master Technician certification

Tools

Hand tools

Diagnostic equipment

Job description

Zūm Services, Inc. is seeking a skilled Technician II for our San Bernardino, CA site to handle diagnostics, repairs, and preventive maintenance with increasing complexity.

You will diagnose mechanical and electrical issues, assist with engine and transmission rebuilds, and ensure safety and compliance standards are met in a dynamic fleet operation. The role emphasizes troubleshooting across major vehicle systems, documentation, and collaboration with senior technicians.