Diesel Fleet Technician: Field & Shop Maintenance Pro

Perot Jain; Fontana (CA); On-site; USD 91,693,000 - 120,347,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) Plan

Stock Options

Flexible Spending Accounts

Job summary

Booster is seeking a Diesel Fleet Maintenance Technician at the Fontana Yard to ensure reliability and safety of diesel-powered fleet assets. You will diagnose, repair, and perform preventative maintenance on fleet vehicles, tanker systems, and fueling equipment in a fast-paced environment.

The role requires 3+ years in diesel maintenance, strong diagnostic skills, and the ability to troubleshoot independently.

Qualifications

• Minimum 3+ years of diesel technician or fleet maintenance experience.
• Strong working knowledge of diesel engines, tanker systems, preventative maintenance programs, and fleet repair operations.
• Ability to diagnose and troubleshoot mechanical and electrical issues independently.
• Self-starter capable of working effectively with limited direct supervision.
• Strong work ethic, accountability, and sense of urgency.
• Comfortable using smartphones, email, digital work orders, and maintenance systems.
• Valid driver’s license with acceptable driving record.

Responsibilities

• Diagnose mechanical, electrical, hydraulic, and operational issues quickly and accurately.
• Perform repairs efficiently while maintaining high-quality workmanship and safety standards.
• Utilize diagnostic software, tools, and testing equipment to troubleshoot vehicle and equipment issues.
• Prioritize repairs based on operational urgency and fleet availability needs.
• Return assets to service as quickly and safely as possible.
• Respond promptly to driver-reported defects, maintenance requests, and operational concerns within a 24-hour period.
• Support roadside troubleshooting and emergency repair situations when required.
• Participate in on-call rotation and respond to after-hours maintenance issues as needed.
• Communicate repair status, timelines, and operational impacts clearly to leadership and drivers.
• Travel to other Booster markets as needed to support fleet maintenance operations, launch activities, or major repair initiatives.
• Assist with field maintenance support during operational surges or high-priority business needs.
• Work closely with Fleet Operations, Drivers, and Operational Leadership to ensure vehicles are maintained safely, efficiently, and in compliance with company and regulatory standards.
• Collaborate with Operations and Fleet leadership to improve maintenance processes and fleet reliability standards.

Skills

Diesel engines

Troubleshooting

Electrical diagnosis

Independent worker

Valid driver’s license

Diagnostic software

Tools

Diagnostic software

Job description

Booster is seeking a Diesel Fleet Maintenance Technician at the Fontana Yard to ensure reliability and safety of diesel-powered fleet assets. You will diagnose, repair, and perform preventative maintenance on fleet vehicles, tanker systems, and fueling equipment in a fast-paced environment.

The role requires 3+ years in diesel maintenance, strong diagnostic skills, and the ability to troubleshoot independently.