Computer Numerical Control Machinist

Job Title: CNC Production Technician

Location: San Jose, CA, 95138

Contract Type: 12 months+

Job Summary:

The CNC Production Technician supports high-volume medical device manufacturing through precision manual finishing and CNC machine operation. Approximately 50% of this role involves detailed hand deburring of aluminum components to meet strict cosmetic and dimensional standards. This role is well suited for a dependable production operator who has strong machine awareness. Candidates with prior maintenance or troubleshooting experience are highly valued. There is opportunity to further develop machine diagnostic and repair skills over time.

Key Responsibilities:

• Precision Manual Finishing (Approx. 50%)
• Perform manual deburring of aluminum medical components to meet cosmetic and dimensional specifications
• Use hand tools such as swivel deburring tools, scrapers, and abrasive pads
• Ensure parts are free of burrs, sharp edges, scratches, and tool marks
• Conduct detailed visual inspections prior to quality review
• CNC Operations (Mazak & Makino)
• Load raw materials and unload finished parts from Makino and Mazak machining centers (mills and lathes)
• Run established programs and monitor production cycles
• Perform basic tool changes and tool offset adjustments
• Conduct in-process inspections using calipers, micrometers, and gauges
• Maintain production output in alignment with daily schedules Maintenance Support & Troubleshooting Development
• Perform routine preventive maintenance tasks such as coolant checks, lubrication checks, and chip removal
• Identify and respond to machine alarms and abnormal operation
• Assist in diagnosing mechanical or tooling issues
• Candidates with prior machine troubleshooting or maintenance experience are strongly preferred
• Opportunity to develop independent troubleshooting skills over time

Qualifications:

• 1–3+ years of CNC experience in a production environment
• Experience operating milling machines and/or CNC lathes
• Familiarity with Mazatrol and/or Fanuc-based controls (Makino Pro3, Pro5, or Pro6) preferred.
• Strong attention to detail for cosmetic aluminum components
• Ability to perform tool offset adjustments and basic tool changes
• Comfortable using measuring tools such as calipers and micrometers
• Basic understanding of machine operation and maintenance fundamentals
• Ability to understand basic machine operation and recognize abnormal conditions, with interest in developing troubleshooting skills
• Ability to complete production and quality documentation accurately
• Basic computer skills (email, following digital work instructions, and entering production data)

Physical Requirements:

• Ability to stand for extended periods (8+ hours)
• Manual dexterity for detailed hand-finishing work
• Ability to lift up to 50 lbs
• Ability to bend, kneel, reach, and work around industrial machinery
• Work performed in am