Senior CNC Programmer: Mastercam 5-Axis Expert

Randstad USA; Hayward (CA); On-site; USD 125,000 - 146,000; Full time

Job summary

Randstad USA in Hayward, CA is seeking a Senior CNC Programmer to own high-complexity CNC programming, process architecture, and machining execution using Mastercam—focus on multi-axis milling platforms.

The role requires 3+ years in semiconductor, aerospace, or medical device environments, Mastercam (2026 preferred) with SolidWorks or AutoCAD, and direct setup on Haas and Fanuc controls. Must handle tight tolerances and lead new part introductions from print to inspection.

Qualifications

• 3+ years of senior CNC programming experience in high-precision, tight-tolerance industries.
• Mastercam experience (Mastercam 2026 preferred) and CAD software (SolidWorks or AutoCAD).
• Direct setup and programming fluency on Haas and Fanuc controls.
• Experience with tight tolerances (to +/- .0002") across Aluminum, Stainless Steel, Titanium, Inconel, and Engineering Plastics.
• Ability to create macro programs, optimize feeds/speeds, and design robust processes.

Responsibilities

• Mastercam CAM programming for 3-, 4-, and 5-axis programs (Mastercam 2026 preferred).
• Establish machining methodologies, dry runs, and prove-outs for new parts.
• Model workholding, fixtures, and tooling strategies in SolidWorks/CAD; select cutting tools and speeds/feeds.
• Interpret GD&T and drawings per ASME Y14.5 to plan operations.
• Analyze cycles and toolpaths to maximize spindle utilization and throughput.
• Provide mentorship and setup support on Haas and Fanuc equipment.

Skills

CNC programming

Problem solving

Team leadership

Education

High School

Tools

Mastercam

SolidWorks

AutoCAD

Haas controls

Fanuc controls

Job description

Randstad USA in Hayward, CA is seeking a Senior CNC Programmer to own high-complexity CNC programming, process architecture, and machining execution using Mastercam—focus on multi-axis milling platforms.

The role requires 3+ years in semiconductor, aerospace, or medical device environments, Mastercam (2026 preferred) with SolidWorks or AutoCAD, and direct setup on Haas and Fanuc controls. Must handle tight tolerances and lead new part introductions from print to inspection.