CNC Maintenance Specialist: Uptime & Precision

Aerotek; Chaska (MN); On-site; USD 72,000 - 85,000; Full time

Benefits offered by this job

401k match

Medical insurance

Dental insurance

Vision insurance

Life insurance

Paid holidays

PTO

Career growth

Job summary

Aerotek is seeking a CNC Maintenance Technician in Minnesota to maintain, troubleshoot, and repair CNC machines and related equipment. You will perform preventive maintenance, diagnose mechanical and electrical issues, and ensure high uptime and accuracy on a shop floor.

The role requires strong mechanical, electrical, and controls expertise, including PLCs, servo drives, and hydraulic/pneumatic systems, with a focus on safe, compliant maintenance practices.

Qualifications

• Proven experience in CNC maintenance, including troubleshooting, diagnosis, and repair of CNC machines and related equipment.
• Strong electrical skills, including electrical troubleshooting of wiring, servo drives, PLCs, relays, sensors, and control panels.
• Mechanical troubleshooting skills with hands-on experience repairing bearings, ball screws, spindles, way covers, and lubrication systems.
• Demonstrated ability to troubleshoot and maintain hydraulic systems such as pumps, valves, and cylinders.
• Experience with pneumatic systems, including inspection, repair, and maintenance of air compressors and regulators.
• Proficiency in preventive maintenance practices for CNC mills, lathes, routers, grinders, and auxiliary equipment.
• Ability to perform machine calibration, including alignments, backlash checks, leveling, and axis calibration.
• Strong troubleshooting skills to quickly identify root causes of machine breakdowns and implement effective corrective actions.
• Commitment to following safety procedures, including lockout/tagout, and maintaining a safe work environment.

Responsibilities

• Perform scheduled preventive maintenance on CNC mills, lathes, routers, grinders, and auxiliary equipment, and accurately document all work performed.
• Diagnose and repair mechanical components such as bearings, ball screws, way covers, spindles, lubrication systems, and pneumatic components to restore optimal machine function.
• Troubleshoot electrical issues including wiring faults, servo drives, PLCs, relays, sensors, and control panels, and implement effective repairs.
• Inspect, repair, and maintain hydraulic systems including pumps, valves, and cylinders, as well as pneumatic systems such as air compressors and regulators.
• Perform machine calibration activities including alignments, backlash checks, leveling, and axis calibration to maintain precision and accuracy.
• Respond promptly to machine breakdowns, identify root causes of failures, and implement corrective actions to minimize downtime.
• Coordinate with OEMs and external service providers for complex repairs, parts sourcing, and warranty-related work.
• Follow lockout/tagout procedures and adhere to safety standards to maintain a safe and compliant work environment.
• Maintain clear records of maintenance activities and communicate equipment status and issues to relevant stakeholders.

Skills

CNC maintenance

Electrical troubleshooting

Mechanical troubleshooting

Hydraulic systems maintenance

Pneumatic systems maintenance

Preventive maintenance

Machine calibration

Root-cause analysis

Lockout/tagout safety

Job description

Aerotek is seeking a CNC Maintenance Technician in Minnesota to maintain, troubleshoot, and repair CNC machines and related equipment. You will perform preventive maintenance, diagnose mechanical and electrical issues, and ensure high uptime and accuracy on a shop floor.

The role requires strong mechanical, electrical, and controls expertise, including PLCs, servo drives, and hydraulic/pneumatic systems, with a focus on safe, compliant maintenance practices.