Machinist

KLA•Hayward, CA

6d•Onsite

About The Position

KLA is seeking a skilled, detail-oriented Manual Machinist / Precision Assembly Technician to support the manufacture, assembly, testing, and improvement of high-precision air bearing spindle systems. The role combines traditional machining with precision mechanical assembly, measurement, testing, troubleshooting, and documentation. The machinist will machine, fit, assemble, inspect, and test precision mechanical components to tight tolerances, working independently from engineering drawings, process documentation, and assembly procedures while maintaining high standards of quality and workmanship. The position is within KLA’s Central Engineering organization, which includes nine Centers of Excellence spanning areas such as automation, motion control, sensors, platform design, and packaging. The Semiconductor Products and Customers business unit designs, builds, and sells products that help chip manufacturers meet quality standards across semiconductor and related technologies.

Requirements

High school diploma or equivalent.
Minimum of 1–2 years of related experience.
Strong understanding of machining practices, tolerances, fits, and geometric relationships.
Ability to read and interpret mechanical drawings, GD&T, assembly drawings, process documentation, and bills of materials.
Ability to lift up to 40 pounds and stand for extended periods.
Good manual dexterity and hand-eye coordination; ability to work with small precision components; excellent visual acuity and attention to detail.

Nice To Haves

Technical school, apprenticeship, or equivalent machining experience.
Experience with air bearing systems.
Experience assembling spindles, motors, precision stages, or rotating equipment.
Familiarity with semiconductor, aerospace, optics, medical device, or precision manufacturing industries.
Knowledge of balancing, vibration testing, and performance testing.
Basic understanding of electronics and electromechanical systems.
Experience working with test stands and computerized measurement equipment.
Manual lathe operation, manual milling machine operation, surface grinding, and precision drilling, reaming, and boring skills.
Precision assembly of mechanical systems, including assembly adjustment and tuning.
Tolerance verification, runout measurement, concentricity and alignment verification, and use of inspection and calibration equipment.
Basic computer proficiency, including reviewing electronic drawings and work instructions and recording inspection and test results.

Responsibilities

Operate manual machine tools, including engine lathes, vertical and horizontal milling machines, surface grinders, drill presses, and honing, polishing, lapping, and finishing equipment.
Fit, align, assemble, and adjust high-precision air bearing spindle assemblies and related subassemblies.
Measure and inspect components using precision metrology equipment, including micrometers, calipers, dial indicators, bore gauges, height gauges, optical measuring equipment, and precision test instruments.
Assemble components to micron-level tolerances while ensuring proper fit and functionality.
Conduct testing and performance verification.
Analyze measurement and test data and make mechanical adjustments to achieve performance specifications.
Maintain accurate production records, inspection data, and test documentation using computer-based systems.