Skip to main content

Maintenance Manager

Job Description

U.S. Silica Holdings Inc. is a global performance materials company and is a leading producer of commercial silica used in the oil and gas industry and in a wide range of industrial applications. Over its 125-year history, U.S. Silica has developed core competencies in mining, processing, logistics, and materials science that enable it to produce and cost-effectively deliver more than 800 diversified products to customers across our end markets.


U.S. Silica's wholly-owned subsidiaries include EP Minerals and SandBox Logistics™. EP Minerals is an industry leader in the production of products derived from diatomaceous earth, perlite, engineered clays, and non-activated clays. SandBox Logistics™ is a state-of-the-art leader in proppant storage, handling and well-site delivery, and is dedicated to making proppant logistics cleaner, safer, and more efficient. The company has 26 operating mines and processing facilities and two additional exploration stage properties across the United States and is headquartered in Katy, Texas.


The Maintenance Manager is a critical role within the District trucking operations. This position is responsible for the overall accountability for managing the maintenance of the truck fleet, trailers, and ensuring services performed are performed with the highest of quality and in a timely manner so as to keep SandBox’s assets safely and productively on the road.


Essential Job Duties:

  • Preventive Maintenance Programs: Develop, monitor, and ensure compliance with preventive maintenance schedules to maximize uptime and extend asset life.
  • Supervises maintenance operations. Plans and distributes the work. Delegates responsibilities as appropriate and monitors performance. Involved in reviewing personnel actions (e.g., hiring, promotions and discipline), and recommending appropriate actions to management.
  • Budget & Cost Management: Manage maintenance operations within approved budgets, track costs per unit, and implement cost reduction strategies.
  • Ensures compliance on a day-to-day basis with State, Federal and Company requirements.
  • Ensures all company safety policies and standards are followed and conducts daily safety meetings.
  • Mechanic Performance: Track and analyze mechanic efficiency, productivity, and quality of work. Provide coaching and training increase efficiency.
  • Fleet Reporting: Generate and review reports on equipment uptime/downtime, cost per mile/hour, average hours to failure of critical components, and overall fleet health.
  • Cost Savings Plans: Identify opportunities for process improvements, parts standardization, and vendor negotiations to reduce costs.
  • Facility & Yard Management: Oversee cleanliness, safety, and compliance of maintenance facilities and yards.
  • Vendor Relations: Manage relationships with external vendors and service providers, including onboarding, assisting in the negotiation of contracts/pricing, and monitoring performance.


Education, Experience, Knowledge, Skills and Abilities:

  • High School Diploma; Advanced degree highly Or two years related experience and/or training; or equivalent combination of education and
  • Automotive/diesel repair experience
  • 5+ years of heavy duty diesel mechanic experience
  • Strong trouble shooting skills.
  • Strong verbal, written and computer skills needed.
  • Must be very reliable, able to work well under pressure and have the ability to organize and prioritize
  • Display a professional and courteous attitude towards all team members.
  • Possess a valid driver's license.
  • CDL with Passenger and Airbrake endorsements


U.S. Silica is an equal opportunity employer for all without regard to , , , , , , veteran status, or any other characteristic protected by applicable federal, state, or local law. U.S. Silica is a smoke- and drug-free workplace. The above description is intended to capture the essential functions of the job, nature and level of work as of the preparation date. It is not intended to be an exhaustive list of all duties that may be required of the position. This job description may be modified at any time with or without notice.

Maintenance Manager

Midland, TX
Full time

Published on 09/14/2025

Share this job now