Diesel Fleet Maintenance Technician

Diesel Fleet Maintenance Technician

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.

Job Responsibilities

Fleet Reliability & Preventative Maintenance

• 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.

Operational Support

• 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.

Compliance & Safety

• 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.

Cross-Market & Field Support

• 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.
• You will 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.

Requirements

Required 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.

Preferred Qualifications

• 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.

Key Traits for Success

• High urgency mindset understands that fleet uptime directly impacts operational performance and customer service.
• Mechanically strong capable of independently diagnosing and solving complex equipment issues.
• Reliable and accountable follows through on repairs and communicates proactively.
• Safety-focused consistently prioritizes safe maintenance practices and regulatory compliance.
• Team-oriented works collaboratively with drivers, operations teams, and fellow technicians.
• Adaptable able to shift priorities quickly in a fast-paced operational environment.

Benefits:

• Medical, Dental, Vision, Supplemental Life Insurance
• Health Savings Account
• Flexible Spending Accounts
• Ancillary Coverage (Critical Illness, Hospital Indemnity, Accident)
• Company Paid Short Term Disability, Long Term Disability, Basic Life Insurance
• 401(k) Plan
• Stock Options at a fast-growing startup!

What makes Booster different?

• Employee Discounted Fuel!
• Vacation Time, Sick Time, and Floating Holidays
• Committed to Equity and Inclusion
• Mentorship and learning opportunities are available
• Career progression for growth and advancement
• Employee Referral Program