Maintenance Technician

NOV · Houston

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The CNC Maintenance Technician is responsible for the installation, troubleshooting, repair, preventive maintenance, and continuous improvement of CNC machine tools and facility systems.

This position supports production by maintaining the reliability, safety, and performance of advanced CNC equipment, including FIVES Giddings & Lewis, Mazak, Toyoda, PAMA, and Parpas machines. The technician will also perform facility maintenance duties, including but not limited to facility repairs, inspections, and service as required to support production needs.

• Troubleshoot, diagnose, and repair equipment and facility systems.
• Perform adjustments and repairs as required.
• Perform preventive maintenance activities to detect early signs of failure or maladjustment.
• Communicate effectively with operators, vendors, and other maintenance personnel to ensure machines are production-ready.
• Work from machine design drawings, specifications, and technical manuals.
• Perform other work-related tasks as assigned.
• Comply with all NOV Company and HSE policies and procedures.

• Diagnose, troubleshoot, and repair mechanical, electrical, hydraulic, pneumatic, lubrication, and CNC control system issues on machine tools.
• Perform preventive and predictive maintenance activities to maximize machine uptime and reliability.
• Maintain and repair:
  • FIVES Giddings & Lewis CNC machines
  • Mazak CNC machines
  • Toyoda CNC machines
  • PAMA CNC machines
  • Parpas CNC machines
• Troubleshoot CNC controls, servo systems, spindle drives, motors, encoders, feedback systems, and associated automation equipment.
• Read and interpret electrical schematics, hydraulic diagrams, blueprints, mechanical drawings, and technical manuals.
• Perform machine alignments, calibrations, ball-bar testing, and accuracy verification as required.
• Coordinate with OEM service providers and production personnel during major repairs, upgrades, and equipment installations.
• Maintain accurate maintenance records, work orders, inspection reports, and equipment history within the CMMS system.
• Support continuous improvement initiatives focused on equipment reliability, maintenance efficiency, and operational performance.
• Maintain facility infrastructure, including:
  • Electrical distribution systems
  • Lighting systems
  • Compressed air systems
  • Building structures
• Perform repairs and preventive maintenance on facility equipment and support systems.
• Assist with equipment relocation, rigging, installation, and facility improvement projects.
• Respond to emergency maintenance situations and production downtime events.
• Obtain and maintain CICB certification as an Overhead Crane Inspector and Jib Crane Inspector (training provided by the Company).
• Conduct scheduled inspections of overhead bridge cranes, jib cranes, hoists, lifting devices, and related equipment.
• Participate in safety audits, risk assessments, and continuous improvement activities.
• Promote and maintain a safe work environment through adherence to company safety policies and procedures.
• Perform other work-related tasks as required or assigned by management.

• High school diploma or GED required.
• Minimum of 3–5 years of industrial maintenance experience, preferably in a CNC machining or heavy manufacturing environment.
• Ability to work overtime, weekends, holidays, and respond to emergency call-ins as needed.
• Strong working knowledge of:
  • CNC machine tool maintenance
  • Fanuc, Siemens, and Mazatrol controls
  • Electrical systems (480V, 240V, and control voltages)
  • Hydraulics and pneumatics
  • Mechanical power transmission systems
  • Bearings, gearboxes, lubrication systems, and machine geometry
  • Industrial controls and automation
• Ability to read and interpret electrical schematics, blueprints, and technical manuals.
• Proficiency with diagnostic tools, including multimeters, alignment equipment, and vibration analysis tools.
• Working knowledge of CMMS software and Microsoft Office applications.
• Valid driver's license and the ability to operate forklifts, aerial lifts, and other maintenance equipment, or the ability to obtain certification.

• Work in a manufacturing and machining facility environment.
• Exposure to noise, coolant, oils, grease, welding operations, airborne particles, and varying temperatures.
• Requires the use of personal protective equipment (PPE).
• May require overtime, weekend, holiday, and emergency call-in support to maintain production operations.
• Ability to lift up to 50 pounds regularly and heavier weights with assistance or lifting equipment.
• Ability to climb ladders, work at heights, and access confined spaces.
• Ability to stand, walk, bend, kneel, crouch, and work in industrial environments for extended periods.
• Ability to work around moving machinery, overhead cranes, and production equipment.

• Strong communication skills

• Knowledge of various types of CNC machines
• Knowledge of multiple CNC control systems
• Mechanical and electrical knowledge of CNC machines
• Troubleshooting and problem-solving skills
• Mechanical aptitude
• Electrical diagnostics
• Attention to detail
• Safety leadership
• Communication skills
• Team collaboration
• Time management
• Reliability and accountability
• Continuous improvement mindset

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