CNC Service Engineer; Corona, CA

Senior CNC Service Engineer

Our client is a leading provider of advanced CNC machine tools, automation solutions, and integrated manufacturing systems. With a strong presence across North America, they support high-precision industries through engineering, installation, service, and technical expertise. The organization is known for its stability, strong customer base, and commitment to innovation in manufacturing.

This role is responsible for installing, maintaining, and troubleshooting high-precision CNC machinery while serving as a key technical resource for customers.

This is a senior-level position requiring strong diagnostic capabilities, hands-on expertise, and the ability to support complex service issues in the field.

• Advanced Troubleshooting & Repair: Diagnose and resolve complex CNC machine issues across mechanical, electrical, hydraulic, pneumatic, and control systems
• Installation & Commissioning: Lead machine installs, setup, calibration, and production integration at customer sites
• Preventative Maintenance: Execute and improve maintenance programs to maximize uptime and reliability
• Customer Support: Serve as a trusted advisor, helping customers optimize machine performance and processes
• CNC Controls: Troubleshoot and support systems including Fanuc, Siemens, Mazak, and Heidenhain
• Documentation: Maintain detailed service reports, diagnostics, and repair documentation
• Emergency Response: Provide timely on-site support to minimize downtime in critical situations
• Safety Compliance: Ensure all work meets safety standards and customer requirements

• Strong expertise in CNC machine operations, electrical systems, and mechanical troubleshooting
• Experience working with CNC controls such as Fanuc, Siemens, Mazak, or Heidenhain
• Knowledge of servo systems, drives, PLCs, and automation technologies
• Experience with precision alignment tools (laser calibration, ball bar, etc.)
• Strong communication skills with the ability to work directly with customers
• Ability to work independently in a field-based role

• Associate's or Bachelor's degree in Engineering or equivalent hands-on experience
• 8–10+ years of CNC service, repair, and troubleshooting experience
• Strong electrical background with ability to read schematics and prints

• Up to 50% regional travel within the Bay Area and surrounding territory
• Occasional overnight travel may be required

• Ability to lift up to 50 lbs
• Comfortable working in industrial environments (bending, climbing, etc.)
• Valid driver's license required

• Competitive hourly rate: $45 – $55/hour
• Comprehensive benefits package (medical, 401k, PTO, etc.)
• Strong stability and long-term growth opportunity

This description is intended to outline the general responsibilities of the role and may not include all duties. Equivalent experience or certifications may be considered in place of formal education.