Diesel Fleet Maintenance Technician

Booster

Booster

USD 32-42 / hour + Equity

Posted on May 15, 2026
Job Type
Full-time
Description

Location: OC/LA Tustin Yard

Reports: Dale Mallow

Schedule: M-F (10am-6pm)

Pay Rate: $32-$42/hr

FLSA Status: Non-Exempt

Travel: No

About Booster

Booster is building the frictionless, tech-powered energy supply chain for modern transportation. We power the world's largest fleets more efficiently and sustainably through our direct operations and world-class partners.

Our BoosterOS platform eliminates the usual manual frictions between order and cash, thereby enabling energy delivery to support more businesses at lower costs. Today, we deliver conventional and renewable fuels directly to fleet vehicles nationwide, reducing costs and lowering carbon emissions—while paving the way for future clean alternatives.

As demand for sustainable energy outpaces infrastructure, Booster provides the critical tech-driven, modular solution, helping customers seamlessly transition to better solutions for their operations, their communities, and our planet.

We lead by our values and hold ourselves – and each other — accountable to them. Our values guide how we interact, the choices we make, and the decisions we take—ultimately driving our long-term success as a business.

  • Safety as our daily guiding principle,
  • Customer at the heart of all our actions,
  • Integrity in doing the right thing even when no one is looking,
  • Excellence in never settling and always raising the bar
  • Boldness in being brave and creating the future, and
  • Stewardship in supporting the planet and everyone on it—we support our communities, our customers, and our people while driving play, purpose, and potential every day.

About the Role

In this role as a Diesel Fleet Maintenance Technician, you will be responsible for assessing and performing service repairs for our fleet vehicles. Our ideal candidate must be able to work in a fast-paced environment where equipment uptime is critical.

You must be able to diagnose and solve problems quickly and go the extra mile! If you are a hardworking, self-motivated individual who takes pride in the quality of your work, join us.

Job Responsibilities

  • Ensure Fleet Reliability, all assets to be maintained in a manner that mitigates service interruptions
  • Ensure Fleet Availability and return assets to service as quickly as possible
  • Available to be “on-call” if requested and promptly respond to work orders
  • Address drivers concerns promptly within a 24 hour period
  • Maintain a Preventative Maintenance Compliance (PMC) of 98% or higher
  • Available to travel to other markets to support Fleet maintenance
Requirements
  • Minimum of 3+ years of technician experience
  • Must already have the proper tools and equipment of the trade
  • Independent self starter that can be effective without constant or immediate supervision
  • A great attitude and ability to work well with others - teamwork is key to success!
  • Tanker related maintenance experience is a plus
  • Must be very familiar with a smartphone and proficient using email
  • ASE or AC certifications is a plus

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?

  • 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

Individuals seeking employment at Booster are considered without regards to race, religion, color, national origin, ancestry, sex, gender, gender identity, gender expression, sexual orientation, marital status, age, physical or mental disability or medical condition (except where physical fitness is a valid occupational qualification), genetic information, veteran status, or any other consideration made unlawful by federal, state or local laws.

Booster does not discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.

Disclaimer: The above statements are intended to describe the general nature and level of work being performed by associates assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified.

All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed.

Booster doesn't accept unsolicited agency resumes and won't pay fees to any third-party agency or firm that doesn't have a signed agreement with Booster

Salary Description
$32.00-$42.00/hr