Maintenance Supervisor

Maintenance Supervisor Ridgeville, South Carolina, United States Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition. Founded in 2017, we're delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have. Maintenance Supervisor The Maintenance Supervisor will be responsible for leading a team of Maintenance Technicians who execute preventive maintenance, reactive repairs, and equipment improvement projects across our mechanical separation facility. Serving as the on-site maintenance leader, you will be expected to own crew performance, safety accountability, and the reliability of plant equipment while working closely with production, engineering, and EHS teams. You will be working in a startup culture. Responsibilities will include : Lead day-to-day maintenance operations including preventive maintenance execution, breakdown response, and equipment improvement projects Enforce safety standards across the crew, including PPE compliance, lockout/tagout procedures, permit-to-work requirements, and job safety analysis completion Partner with the Production Supervisor to coordinate maintenance activities, communicate equipment status, and manage escalations during downtime events Work with the Maintenance Planner to ensure PMs are scheduled and completed on time Hold the crew accountable for complete and accurate work order documentation including notes, photos, parts used, and labor hours Conduct regular performance reviews and provide direct, constructive feedback; recognize achievement and address areas for improvement Manage attendance, training compliance, and day-to-day performance for all direct reports Develop technicians technically and professionally to support their career growth Foster a positive and inclusive team culture built on accountability, collaboration, and safety Efficiently allocate personnel and equipment to meet operational objectives Effectively manage conflicts within the team using fair and diplomatic approaches Desired Qualifications Minimum 4 years of hands-on industrial maintenance experience in a manufacturing environment Minimum 2 years of supervisory or lead experience managing maintenance technicians Strong working knowledge of mechanical, electrical, and instrumentation systems in an automated manufacturing environment Experience with CMMS platforms for work order management, PM scheduling, and parts tracking Solid understanding of LOTO/OSHA requirements and permit-to-work systems Ability to read and interpret electrical schematics, P&IDs, and mechanical drawings Strong verbal and written communication skills, with the ability to effectively interact with internal and external stakeholders Proven ability to manage competing priorities, meet tight deadlines, and deliver high-quality results Demonstrated problem-solving and critical thinking skills in a fast-paced environment The position is full-time. Compensation will be commensurate with experience. Redwood Materials