Customer Service Supervisor

SandBox Logistics, a U.S. Silica Energy Company, provides an innovative approach to proppant storage, handling, and well-site delivery. With our proprietary logistics process and containerization solution, SandBox can lower costs, increase operational efficiency, and drastically reduce the health and safety impact of silica dust on any hydraulic fracturing jobsite. At SandBox, we are dedicated to making proppant logistics cleaner, safer, and more efficient in every major basin and shale play.

The Customer Service Supervisor at Sandbox Logistics plays a dual-role capacity, combining frontline account management with team leadership to ensure exceptional customer service execution. This position is responsible for managing a portfolio of customer accounts while overseeing and guiding the daily activities of the customer service team, including invoicing, account inquiries, dispute resolution, and customer communication.

The Supervisor leads by example, actively supporting customer needs while driving consistency, accuracy, and timeliness across all customer service-related processes, including customer master data and pricing administration. This role also contributes to developing and implementing best practices that enhance service quality, optimize cash flow, and improve operational efficiency, in alignment with company policies and industry standards.

Working cross-functionally with Commercial, Operations, Finance, and Supply Chain teams, the Supervisor ensures seamless coordination and issue resolution. In a fast-paced, 24/7 logistics environment, this role prioritizes team workload, supports account reconciliation, and fosters team member development while maintaining direct accountability for assigned customer relationships. As a key liaison between customers and internal stakeholders, the Customer Service Supervisor strengthens communication, builds trust, and drives overall customer satisfaction. 

This position reports to the Senior Director of Customer Experience and Supply Chain and may be based at the headquarters in Katy, TX, or operate in hybrid capacity.