Senior CNC Programmer | Mastercam 5-Axis

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

We are seeking a high-caliber Senior CNC Programmer to drive precision manufacturing operations at our Hayward facility. In this role, you will take ownership of high-complexity CNC programming, process architecture, and machining execution using Mastercam—focusing primarily on multi-axis milling platforms. If you are an experienced manufacturing professional who excels at solving intricate machining challenges, optimizing CAM toolpaths, and leading new product introductions from print to final inspection, we want to hear from you.

Qualifications & Requirements

• Experience: 3+ years of senior-level CNC programming experience in high-precision, tight-tolerance industries (Semiconductor, Aerospace, or Medical Device).
• Software Mastery: Extensive hands-on experience with Mastercam (Mastercam 2026 experience highly desirable) alongside 3D CAD modeling software (SolidWorks or AutoCAD).
• Controls & Machinery: Direct setup and programming fluency on Haas and Fanuc controls.
• Materials & Tolerances: Deep background holding tight tolerances (to +/- .0002") across diverse materials, including Aluminum, Stainless Steel, Titanium, Inconel, and Engineering Plastics.
• Problem Solving: Proven ability to create custom macro programs, optimize feeds/speeds, and design robust manufacturing processes from scratch.

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salary: $124,800 - $145,600 per year

shift: First

work hours: 7 AM - 3:30 PM

education: High School

Responsibilities

• Mastercam CAM Programming: Design, develop, and refine complex 3-, 4-, and 5- axis programs using Mastercam (Mastercam 2026 experience preferred).
• Process Engineering & Prove-Out: Establish complete machining methodologies, execute dry runs, and lead initial part prove-outs to ensure flawless, collision-free production.
• Fixture Design & Tooling Strategy: Model specialized workholding, custom soft jaws, and fixtures in SolidWorks/CAD; select optimal cutting tools, inserts, speeds, and feeds to maximize efficiency and tool life.
• Blueprint & GD&T Expertise: Interpret complex engineering drawings, CAD models, and advanced GD&T specifications (ASME Y14.5) to plan sequence of operations.
• Optimization & Continuous Improvement: Analyze existing G-code programs, cycle times, and toolpaths to maximize spindle utilization and throughput.
• Shop Floor Leadership: Partner closely with setup machinists and operators, providing technical mentorship, macro/control troubleshooting, and setup support on Haas and Fanuc equipment.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact [e-mail].

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance.

Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.