CNC Maintenance Technician - Casting

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Group Summary:

Position Summary

The Machining & Heat Treatment Maintenance Technician is responsible for maintaining the reliability, availability, and performance of machining centers, heat treatment equipment, and supporting production systems within a High Pressure Die Casting (HPDC) manufacturing facility. This position performs preventive, predictive, and corrective maintenance to ensure safe operation, maximize equipment uptime, improve Overall Equipment Effectiveness (OEE), and support the production of high-quality machined and heat-treated aluminum components.

The technician works closely with Production, Manufacturing Engineering, Process Engineering, Tooling, Quality, Maintenance, and Automation teams to minimize downtime, improve equipment reliability, and support continuous improvement initiatives throughout machining and thermal processing operations.

Essential Duties and Responsibilities

· Perform preventive, predictive, and corrective maintenance on CNC machining centers, transfer machines, drilling and tapping machines, machining cells, washing systems, conveyors, coolant systems, chip handling equipment, robotic automation, and auxiliary equipment.

· Maintain heat treatment equipment including solution heat treat furnaces, aging ovens, quench tanks, cooling systems, burners, circulation fans, atmosphere control systems, and material handling equipment.

· . Troubleshoot mechanical, hydraulic, pneumatic, electrical, servo, spindle, and automation failures to restore production safely and efficiently.

· Inspect, repair, replace, rebuild, and adjust machine components including ball screws, linear guides, bearings, gearboxes, hydraulic units, coolant pumps, lubrication systems, and spindle assemblies.

· Perform machine alignments, laser calibration, ballbar testing, spindle verification, axis compensation, and machine capability checks following repairs.

· Support equipment installation, commissioning, relocation, acceptance testing, and production startup activities.

· Troubleshoot CNC controls, PLC-controlled equipment, servo drives, HMIs, sensors, encoders, safety circuits, and industrial networks.

· Support robotic systems used for machine tending, palletizing, deburring, washing, and automated material handling.

· Perform maintenance on industrial washers, leak testers, coolant filtration systems, chip conveyors, mist collectors, and centralized coolant distribution systems.

· Inspect and maintain furnace burners, combustion systems, temperature controllers, thermocouples, SCR power controllers, circulation fans, quench agitation systems, and cooling equipment.

· Verify furnace temperature uniformity, instrumentation accuracy, and compliance with heat treatment process requirements.

· Monitor machine performance and identify opportunities to improve equipment reliability, machining accuracy, throughput, cycle time, and process capability.

· Execute preventive and predictive maintenance programs in accordance with OEM recommendations, maintenance schedules, and reliability standards.

· Perform lubrication, vibration monitoring, thermography, oil analysis, spindle condition monitoring, and equipment health assessments.

· Participate in Root Cause Analysis (RCA), Failure Mode and Effects Analysis (FMEA), and corrective action implementation to eliminate recurring equipment failures.

· Support implementation of engineering changes, automation upgrades, machine retrofits, and process improvement initiatives.

· Recommend improvements to reduce downtime, improve OEE, extend equipment life, and reduce maintenance costs.

· Accurately document maintenance activities, work orders, downtime events, corrective actions, and spare parts usage within the Computerized Maintenance Management System (CMMS).

· Assist with spare parts identification, inventory management, and critical spare parts planning.

· Participate in TPM, Lean Manufacturing, Kaizen, 5S, and continuous improvement activities.

· Follow all company safety policies, Lockout/Tagout (LOTO) procedures, confined space requirements, arc flash procedures, environmental regulations, and PPE requirements.

· Maintain clean and organized work areas in accordance with 5S standards.

· Communicate effectively with Production, Engineering, Quality, and Maintenance personnel during shift handoffs and downtime events.

· Perform other duties as assigned in support of plant operations.

Required Qualifications

· High school diploma or GED required.

· Technical diploma, apprenticeship, or certification in Industrial Maintenance, Mechatronics, Electrical Technology, Machining, CNC Technology, or a related technical discipline preferred.

· Minimum of three (3) years of maintenance experience in a manufacturing environment.

· Experience supporting CNC machining, automotive manufacturing, foundry, die casting, machining, or heat treatment operations preferred.

· Working knowledge of mechanical, hydraulic, pneumatic, electrical, and automation systems.

· Ability to troubleshoot equipment with minimal supervision.

· Ability to read mechanical drawings, electrical schematics, hydraulic diagrams, pneumatic diagrams, P&IDs, and OEM manuals.

· Experience using precision measuring instruments including calipers, micrometers, indicators, dial bore gauges, and alignment equipment.

· Basic computer skills and experience using CMMS software.

· Ability to work overtime, weekends, shutdowns, and rotating shifts as required.

Preferred Skills and Competencies

· Experience maintaining CNC machining centers (SW, GROB, etc).

· Experience with Fanuc, ABB,, Siemens, Mitsubishi, CNC controls.

· Experience maintaining industrial heat treatment furnaces and quench systems (Can-Eng).

· PLC troubleshooting experience (Allen-Bradley, Siemens,).

· Experience supporting industrial robotics (Fanuc, ABB, KUKA, Yaskawa).

· Welding, fabrication, machining, or toolroom experience.

· Forklift, overhead crane, hoist, and rigging certification.

· Knowledge of Lean Manufacturing, TPM, Six Sigma, and continuous improvement methodologies.

Knowledge, Skills and Abilities:

· Strong understanding of CNC machining processes including milling, drilling, boring, tapping, reaming, and precision finishing.

· Knowledge of aluminum machining practices used in High Pressure Die Casting (HPDC) manufacturing.

· Working knowledge of machining center components including:

· CNC controls

· Servo motors

· Servo amplifiers

· Linear guideways

· Spindle assemblies

· Automatic tool changers

· Hydraulic fixtures

· Rotary tables

· Coolant systems

· Chip conveyors

· Understanding of cutting tool management systems, automatic tool changers, tool monitoring systems, and fixture maintenance.

· Experience maintaining industrial washing equipment, leak testing systems, deburring equipment, and automated inspection stations.

· Strong understanding of industrial heat treatment processes including:

· Solution Heat Treatment

· Artificial Aging (T5, T6, T7)

· Quench Systems

· Furnace Temperature Uniformity

· Thermal Processing Controls

· Heat Transfer Principles

· Knowledge of combustion systems including gas burners, flame safety controls, burner management systems, combustion air systems, and fuel controls.

· Understanding of furnace instrumentation including thermocouples, temperature controllers, SCR power controllers, data acquisition systems, and process monitoring.

· Ability to troubleshoot industrial electrical systems including:

· Motors

· VFDs

· Servo drives

· Encoders

· Sensors

· Safety relays

· PLC I/O

· Industrial Ethernet communications

· Basic PLC troubleshooting skills including ladder logic interpretation, alarm diagnostics, HMI navigation, and communication with Controls Engineering.

· Strong knowledge of hydraulic systems including proportional valves, pressure regulation, accumulators, pumps, manifolds, cylinders, and filtration systems.

· Strong understanding of pneumatic systems including FRLs, valve manifolds, actuators, regulators, vacuum generators, and compressed air distribution.

· Knowledge of predictive maintenance techniques including vibration analysis, thermography, ultrasonic inspection, oil analysis, spindle monitoring, and condition-based maintenance.

· Ability to interpret machine geometry reports, laser calibration results, ballbar analysis, spindle diagnostics, and machine capability studies.

· Familiarity with Statistical Process Control (SPC), process capability, GD&T, and machining quality requirements.

· Experience using precision alignment equipment, laser alignment systems, torque tools, and metrology equipment.

· Familiarity with CMMS systems for preventive maintenance scheduling, work order management, spare parts control, and equipment history.

· Understanding of OEE, MTBF, MTTR, RCA, TPM, FMEA, Lean Manufacturing, and 5S principles.

· Strong understanding of machine guarding, Lockout/Tagout (LOTO), arc flash awareness, confined space requirements, ergonomic safety, and safe work practices associated with machining and heat treatment operations.

· Ability to identify opportunities to improve machine reliability, process capability, cycle time, equipment utilization, energy efficiency, and maintenance effectiveness through continuous improvement initiatives.

Physical Requirements

· Ability to stand, walk, climb, bend, kneel, squat, reach, push, pull, and work in confined spaces or at elevated heights.

· Ability to lift up to 50 pounds with or without reasonable accommodation.

· Ability to work in a manufacturing environment with exposure to machining fluids, aluminum chips, industrial ovens, elevated temperatures, moving machinery, hydraulic systems, compressed air systems, industrial noise, lubricants, chemicals, and cleaning solutions while wearing required PPE.

· Ability to safely perform maintenance activities using Lockout/Tagout procedures and established safety practices.

· Demonstrated commitment to teamwork, continuous improvement, quality, and customer satisfaction.

Schedule and Reporting

· This position may be assigned to off-shifts based on business needs. Overtime, plant shutdowns, weekends, and emergency call-in support may be required. The position typically reports to the Maintenance Supervisor, Maintenance Manager, or designated plant leadership.

Work Authorization

Applicants must be legally authorized to work in the United States at the time of hire. Candidates who currently hold valid work authorization under a TN or H-1B visa may be considered, provided they are authorized to work for this employer without requiring new or additional visa sponsorship. The company is unable to sponsor new employment-based visas or other immigration sponsorship for this position.

Work Environment

This position works in an automotive manufacturing facility and may be exposed to noise, heat, dust, oil, coolant, moving equipment, and other industrial conditions. The position may require overtime, weekends, holidays, rotating shifts, or call-ins based on business and production needs.

Awareness, Unity, Empowerment:

At Magna, we believe that a diverse workforce is critical to our success. That’s why we are proud to be an equal opportunity employer. We hire on the basis of experience and qualifications, and in consideration of job requirements, regardless of, in particular, color, ancestry, religion, gender, origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Magna takes the privacy of your personal information seriously. We discourage you from sending applications via email or traditional mail to comply with GDPR requirements and your local Data Privacy Law.

AI-Assisted Screening Disclosure

As part of our commitment to a fair, consistent, and efficient recruitment process, we may use artificial intelligence (AI) tools to assist in the initial screening of applications submitted through our Workday system. These tools help identify qualifications and experience that align with the role requirements. Please note that AI is used solely to support our recruiters. Final decisions are always made by the hiring manager and the hiring team. Importantly, no applicant data is shared externally through these AI tools. All information remains securely within our systems and is handled in accordance with our privacy and data protection policies.

Under conditions defined by applicable law, you may have the right to request an explanation of how AI is used to support decision-making.

If you have any questions or concerns about this process, feel free to contact our Talent Attraction team.