CNC Maintenance Manager

American Rheinmetall

Next-generation solutions for the U.S. Armed Forces

Job Summary:

The CNC Maintenance Manager is responsible for overseeing the maintenance and repair of CNC (Computer Numerical Control) machinery and equipment within a manufacturing or production environment. This role involves leading a team of maintenance technicians, ensuring the optimal performance and reliability of CNC machines, and implementing preventive maintenance programs.

Location:

Lapeer, MI

Essential Functions:

• Lead, mentor, and manage Maintenance Department.
• Coordinate and prioritize work assignment schedules to ensure efficient operations by supervising the troubleshooting and repairs of CNC mills, lathes, 5-axis machines, grinders, EDMs, and support equipment.
• Collaborate with external vendors for sourcing spare parts and implementing upgrades.
• Coordinate with Production, Quality, and Engineering to plan downtime windows for repairs and upgrades, and during improvement projects, new machining installations and all upgrades relating to machine production.
• Oversee root-cause analysis for repeat failures, scrap-driving issues, and unplanned downtime.
• Ensure proper use of OEM manuals, schematics, and diagnostic tools.
• Approve and monitor machine parameter changes, axis alignments, ball-bar tests, vibration analysis', spindle evaluations and controls, and control updates.
• Ensure all repairs meet aerospace/defense traceability and documentation requirements, as well as OSHA, ISO, AS9100 and customer requirements.
• Oversee the completion of tasks and maintain records of calibrations, inspections, PM logs, machine history files, and repair traceability
• Lead safety investigations, near-miss reviews, and corrective actions that involve maintenance and machining.
• Supervise/escort/host external technicians, OEM service providers, and contractors working on CNC equipment or facility systems, ensuring they follow company visitors' policy and standards.
• Obtain and review service quotes, negotiate pricing, and verify completion of contracted work.
• Oversee spare-parts inventory, critical spares strategy, reorder points, work orders and purchase orders for Maintenance and maintenance-related production needs.
• Track machine lifecycle data and recommends rebuilding, retrofits, or replacements.
• Ensure proper storage and control of lubricants, coolants, and maintenance consumables.
• Support Engineering during new machine installations, process changes, and equipment validations.
• Lead initiatives to reduce unplanned downtime, improve MTBF/MTTR, and increase machine availability.
• Ensure technicians follow proper revision control for procedures and work instructions.

Supervisory Responsibilities:

• Assign work, monitor performance, and hold employees accountable to productivity and safety standards.
• Foster a positive, collaborative, and disciplined work environment.
• Direct, schedule, coach, and supervise all maintenance technicians (mechanical, electrical, CNC, facilities).
• Oversee the management of plant-level Environmental Management processes and procedures. Ensure hazardous waste, coolant disposal, and chemical handling follow environmental regulations.
• Communicate machine status', risks, and downtime impacts to leadership.
• Oversee Maintenance Department onboarding tasks, skills assessments, cross-training, and ongoing technical development.
• Manage performance reviews, corrective actions, and adherence to any and all company policies.
• Routine audits and routine maintenance as assigned.
• Promote a culture of continuous improvement and skill development within the maintenance team.

Minimum Qualifications:

• Demonstrated leadership and team management skills.
• Ability to read and interpret blueprints, technical drawings, and military specifications.
• Strong communication and interpersonal skills.
• Commitment to quality, safety, comradery and continuous improvement.

Education & Experience

• Bachelor's degree in mechanical engineering, electrical engineering, or a related field, recommended.
• Minimum 5 years of CNC maintenance experience in a leadership role, preferably in military defense or aerospace manufacturing
• Minimum 3 years of proven experience in CNC machinery maintenance and repair.
• Equivalent combination of education and experience

Background Prerequisites:

Must undergo and meet company standards for background check, employment verification, reference checks, physical, and controlled substance testing.

Preferred Qualifications:

• Certifications in Mechatronics, CNC Technology, Mechanical Engineering, Electrical Engineering, Industrial Technology, or Manufacturing Engineering.
• Strong understanding of GD&T, ball screws, spindles and CNC controls
• Experience in Aerospace & Defense manufacturing
• Experience with PLEX or other (QMS) Quality Management Systems

Working Conditions and Physical Demands

With or without reasonable accommodation requires the physical and mental capacity to perform effectively all essential functions. In addition to other demands, the demands of the job include:

• Primarily…