CNC Maintenance Technician - Yorba Linda, CA
Company: STI
Location: Yorba Linda
Posted on: April 2, 2026
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Job Description:
CNC Maintenance Technician Yorba Linda, CA Temp-to-hire position
(4–6 months to convert) on a 1st shift (6:00 AM–2:30 PM; flexible
as needed) Maintain, repair, and troubleshoot over 50
high-precision Swiss-style CNC machines (Tornos, Citizen) to
minimize downtime and ensure peak operational efficiency.
Responsibilities include preventive and emergency maintenance,
diagnosing and repairing electrical (24V–480V), mechanical,
hydraulic, and pneumatic systems, and supporting
production/engineering teams. Must follow strict safety and
hazardous materials protocols, document maintenance activities, and
participate in training/continuous improvement. Requirements: 2
years CNC or automation maintenance (preferably Swiss CNC),
high-precision environment experience, Fanuc/Mitsubishi controls
knowledge, electrical diagram reading, hydraulics/pneumatics
skills, and root cause analysis. High school diploma or GED
required; technical/trade school training preferred.
Keywords: STI, West Covina , CNC Maintenance Technician - Yorba Linda, CA, Engineering , Yorba Linda, California
