Diesel Fleet Technician - On-Call & Flexible Schedule

Perot Jain; Seattle (WA); On-site; USD 44,000 - 58,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

HSA

FSA

Disability Insurance

401(k)

Stock Options

Job summary

Booster in Seattle is seeking a Diesel Fleet Maintenance Technician to ensure reliability and safety of our fleet assets. You will diagnose, repair, and perform preventative maintenance on diesel-powered vehicles, tanker systems, and fueling equipment.

The role requires hands-on work, urgency, and the ability to troubleshoot with minimal supervision while collaborating with Fleet Operations and Drivers. Travel up to 25% may be required, and a full-time schedule with early mornings, evenings,

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.
• Must possess personal tools and equipment necessary to perform job duties.
• 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.
• 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.

Skills

Diesel engines

Troubleshooting

Preventative maintenance

Tools possession

Driving knowledge

Smartphones & digital systems

Job description

Booster in Seattle is seeking a Diesel Fleet Maintenance Technician to ensure reliability and safety of our fleet assets. You will diagnose, repair, and perform preventative maintenance on diesel-powered vehicles, tanker systems, and fueling equipment.

The role requires hands-on work, urgency, and the ability to troubleshoot with minimal supervision while collaborating with Fleet Operations and Drivers. Travel up to 25% may be required, and a full-time schedule with early mornings, evenings,