CNC Maintenance Technician

About the Company:
CalTek Staffing is working with a long-standing U.S. manufacturer of high-performance capital equipment components used in aerospace, defense, infrastructure, and industrial automation. ISO-certified and vertically integrated, the company handles everything in-house—from castings to CNC machining to final assembly. They are seeking a senior CNC Programmer for their City of Industry/Rowland location to support a high-mix, low-volume machining environment focused on custom, precision parts.

Position Overview:
Our City of Industry/Brea, Ca. client is seeking an experienced and dependable Maintenance Mechanic to join their CNC machining operations team down the road from their City of Industry engineering headquarters where everything before production handoff takes place. This hands-on position is responsible for the maintenance, troubleshooting, and repair of production machinery—including both CNC mills/lathes and manual machine tools—as well as facility equipment. The ideal candidate will have a strong background in mechanical systems, basic electrical work on 480V, and a foundation in automated industrial equipment maintenance, with a proactive, safety-first approach.

Key Responsibilities:

• Inspect, troubleshoot, and repair mechanical, hydraulic, pneumatic, and basic electrical systems on CNC and manual machine tools, including lathes, mills, grinders, and specialized production machinery.
• Perform preventive and corrective maintenance on a wide range of equipment to minimize downtime and ensure smooth production operations.
• Replace, align, and adjust worn or damaged machine components, including bearings, belts, gears, drive motors, pumps, and fluid lines.
• Assist in the installation, relocation, and commissioning of new or transferred machinery and equipment within the facility.
• Maintain and repair facility infrastructure such as air compressors, HVAC units, shop lighting, plumbing systems, and overhead hoists or cranes as needed.
• Perform light fabrication, welding, and machining tasks to assist with repairs or equipment modifications.
• Use diagnostic tools (multimeters, test gauges, etc.) to troubleshoot mechanical and electrical issues efficiently.
• Keep detailed maintenance logs, records of repairs, parts used, and maintenance schedules.
• Collaborate closely with production, engineering, and management teams to prioritize repair needs and support safe, efficient operations.
• Ensure strict adherence to company safety standards, OSHA regulations, and lockout/tagout procedures at all times.

Qualifications:

• Minimum 7 years of industrial maintenance experience, preferably within a machining, manufacturing, or heavy industrial environment.
• Proven expertise servicing CNC and manual machine tools (mills, lathes, etc.).
• Strong mechanical aptitude with knowledge of drive systems, bearings, hydraulics, pneumatics, and basic electrical circuits.
• Experience with rigging and safely relocating large industrial machinery.
• Ability to read and interpret mechanical drawings, schematics, and technical manuals.
• Basic welding, torch cutting, or metal fabrication skills preferred.
• Familiarity with industrial maintenance tools such as hoists, cranes, forklifts, and lift platforms.
• Self-starter with strong problem-solving skills and the ability to work independently with minimal supervision.
• Strong communication skills and ability to work effectively in a team environment.
• High school diploma or GED required; additional vocational training or certifications in industrial maintenance, machining, or related fields a plus.

Why Join This Team?

• Competitive pay and benefits
• Steady day-shift work in a clean, organized environment
• Opportunity to support the production of precision-engineered electric motor components used across industries
• Collaborative team atmosphere with long-term growth potential