Maintenance Supervisor

Redwood Materials; Charleston (SC); On-site; USD 70,000 - 100,000; Full time

Job summary

Redwood Materials is seeking a Maintenance Supervisor to lead a team ofMaintenance Technicians across our mechanical separation facility, owning crew performance, safety accountability, and equipment reliability. You will collaborate with production, engineering, and EHS teams in a startup culture.

Requirements include hands-on industrial maintenance experience, supervisory experience, and strong knowledge of mechanical, electrical, and instrumentation systems.

Qualifications

• Lead day-to-day maintenance operations and ensure PM execution.
• Enforce safety standards, PPE, LOTO, and permit-to-work.
• Coordinate maintenance with Production and Engineering teams.
• Develop technicians technically and professionally for growth.
• Ensure complete work-order documentation with notes and labor hours.
• Foster a safe, inclusive team culture focused on accountability.

Responsibilities

• Oversee preventive maintenance and breakdown response.
• Maintain equipment reliability across plant operations.
• Drive safety performance across the maintenance crew.
• Coordinate with planners to schedule PMs and optimize downtime.
• Mentor technicians and support career growth.

Skills

Team leadership

Maintenance planning

Preventive maintenance

Safety compliance

Electrical/Instrumentation knowledge

Communication skills

Tools

CMMS

Electrical schematics

Job description

About Redwood Materials

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 willbe responsible forleading 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 andaccuratework 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
• Efficientlyallocatepersonnel 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.

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