Diesel Fleet Maintenance Technician

Booster Fuels•West Sacramento, CA

6d•Onsite

About The Position

As a Diesel Fleet Maintenance Technician, you will play a critical role in ensuring the reliability, safety, and operational readiness of Booster’s fleet assets. This position is responsible for diagnosing, repairing, and performing preventative maintenance on diesel-powered fleet vehicles, tanker systems, fueling equipment, and related operational assets. This role operates in a fast-paced environment where equipment uptime is mission-critical to daily operations and customer service execution. The ideal candidate is a hands-on technician who takes pride in high-quality workmanship, responds with urgency, and can independently troubleshoot and resolve issues with minimal supervision.

Requirements

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.

Nice To Haves

Tanker, fuel delivery, or heavy fleet maintenance experience strongly preferred.
ASE certifications and/or AC certifications preferred.
Experience with DOT inspections and regulatory compliance.
CDL license or experience working around CDL fleet operations is a plus.
Familiarity with hydraulic systems, pumps, fueling systems, and PTO systems preferred.
Experience supporting multi-site or field-based fleet operations environments.
Equipped with the standard personal tools of the trade to facilitate independent task completion.

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.
Ensure all repairs and maintenance activities comply with company policies, DOT regulations, environmental requirements, and safety standards.
Maintain accurate maintenance records, work orders, inspection documentation, and repair logs.
Support fleet audit readiness and compliance initiatives.
Maintain clean, organized, and safe work environments in shop and field settings.
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.