Maintenance Supervisor at California Bioenergy LLC – Estelline, South Dakota

Position: Maintenance Supervisor

Department: SD OpCO LLC

Reports to: General Manager

Location: Brookings, SD

Classification: Exempt

Annual Salary Range: $95,000 to $110,000

Annual Bonus Potential: 10%

Benefits: Standard SD OpCo benefits package is available: Medical, dental, vision, life insurance, 401k with match.

COMPANY DESCRIPTION SD OpCO LLC partners with local dairy farmers, state, and federal agencies, providing a sustainable energy source that benefits the dairy, the company, and actively reduces greenhouse gases emitted to the atmosphere. POSITION SUMMARY

The Maintenance Supervisor is responsible for overseeing the maintenance team and ensuring the safe, efficient, and reliable operation of all plant equipment and facilities. This role involves planning, coordinating, and executing preventive and corrective maintenance activities to minimize downtime and optimize plant performance.

ESSENTIAL JOB RESPONSIBILITIES

Supervise and lead maintenance technicians, providing guidance, training, and performance feedback.Develop and implement preventive maintenance schedules for equipment, including pumps, motors, compressors, blowers, chillers, and electrical systems.Troubleshoot mechanical, electrical, and instrumentation issues to ensure timely repairs.Maintain accurate records of maintenance activities, work orders, and inventory of spare parts.Ensure compliance with safety standards, environmental regulations, and company policies.Coordinate with operations and engineering teams to support equipment, reliability, and efficiency.Manage contractors and vendors for specialized maintenance tasks.Monitor maintenance KPIs and recommend improvements to reduce costs and downtime.QUALIFICATIONS

High school diploma or equivalent; technical certification or associate degree preferred.Minimum 5 years of experience in industrial maintenance, with at least 4 years in a supervisory role.Strong knowledge of mechanical, electrical, and instrumentation systems.Familiarity with CMMS (Computerized Maintenance Management System).Excellent leadership, communication, and organizational skills.Ability to work in a fast-paced environment and respond to emergencies as needed.PREFERRED SKILLS

Experience with biogas or renewable energy plant operations.Proficiency in PLC troubleshooting and basic programming.Welding and fabrication skills.Knowledge of predictive maintenance techniques (vibration analysis, thermography).Strong problem-solving and root cause analysis abilities.CERTIFICATIONS

OSHA 30-hour General Industry Safety Certification.Electrical or Mechanical Journeyman License (preferred).Confined Space Entry and Lockout/Tagout training.Physical & Work Environment

Ability to work in outdoor and indoor plant environments.Must be able to lift up to 50 lbs. and work in confined spaces when required.Availability for on-call and weekends