Maintenance Supervisor

CNC Maintenance Supervisor

Location: Johnson Creek, WI

Employment Type: 1st shift. Plus some weekends as needed.

Authorization: Applicants must be authorized to work in the U.S. without sponsorship.

Saelens LLC is looking for an experienced Maintenance Supervisor to lead our maintenance team and keep our CNC-driven manufacturing operations running at peak performance. In this role, you will oversee preventive and corrective maintenance programs, mentor a team of skilled technicians, and serve as the primary technical resource for all machinery and facility systems. If you thrive in a fast-paced manufacturing environment and take pride in both technical excellence and team development, we want to hear from you

CNC Machinery Maintenance

• Perform and oversee preventive maintenance, troubleshooting, and repairs on CNC lathes, mills, routers, and other precision equipment.

• Diagnose and resolve mechanical, electrical, hydraulic, and pneumatic issues to minimize unplanned downtime.

• Calibrate and align CNC equipment to maintain accuracy and operational efficiency.

• Monitor machine wear and manage parts replacement proactively.

Team Leadership & Scheduling

• Lead, mentor, and supervise a team of maintenance technicians, assigning daily tasks and ensuring quality execution.

• Monitor performance and provide ongoing coaching, training, and professional development support.

• Foster a team culture built on safety, accountability, and continuous improvement.

Work Order & Maintenance Management

• Create, schedule, and track work orders for both preventive and corrective maintenance using maintenance software.

• Ensure timely and accurate updates on task completion, and equipment status.

Education & Experience

• High school diploma or GED required; associate degree or technical certification in maintenance, engineering, or a related field preferred.

• Minimum of 5 years of maintenance experience, including 3+ years working directly with CNC machinery.

Technical Skills

• Proficiency with maintenance software for work order management, scheduling, and reporting.

• In-depth knowledge of CNC machinery operation, programming, and maintenance.

• Familiarity with CNC control systems such as Fanuc, and Haas.

Leadership & Soft Skills

• Demonstrated ability to lead, motivate, and develop a maintenance team.

• Strong problem-solving, organizational, and communication skills.

• Ability to prioritize competing demands and adapt quickly to changing production needs.

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