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Prototype Machinist

Yoh, A Day & Zimmermann Company
Pleasanton, CA Contractor
POSTED ON 1/6/2026
AVAILABLE BEFORE 2/4/2026
Yoh is looking for a Prototype Machinist to join our Biotech/R&D client’s prototype department. This is a unique opportunity to work in a small, fast-paced shop supporting innovation and development. You’ll play a critical role in machining precision parts and managing the prototyping environment alongside the R&D team.

The ideal candidate will bring 10 years of CNC/manual machining experience, can program and run jobs independently, and has a strong grasp of GD&T, CAM, and tight tolerances. Only qualified individuals need apply.

Industry:
Biotech / Manufacturing (R&D / Prototype)
Location: Pleasanton, CA
Compensation: $45-57/hour DOE
Type: Contract to hire
*Standard operating hours but flexible for second shift hours 


Responsibilities:
  • CAM programming, machine setup, and machining of prototype parts
  • Operate and maintain 3-axis CNC mills and manual mills
  • Collaborate with R&D to set timelines and production expectations
  • Interpret technical drawings or work without them when needed
  • Ensure parts meet ultra-tight tolerances (micron level) using precision tools
  • Work directly with QC to validate part specs and drawing compliance

Qualifications:
  • 10 years CNC and/or manual machining (vertical or horizontal mills)
  • Proficiency in CAM and CAD software (HyperMILL preferred; Fusion/SolidWorks CAM also acceptable) - required
  • Strong understanding of CNC machining principles and GD&T
  • Must be able to independently program, fixture, and run jobs 
  • Detail-oriented with strong problem-solving skills
  • Able to thrive in a fast-paced, self-driven environment
  • Comfortable working with and without drawings, often with limited direction
 
#IND-SPG



Estimated Min Rate: $45.00
Estimated Max Rate: $57.00


What’s In It for You?
We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yoh’s network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yoh’s extensive talent community that will provide you with access to Yoh’s vast network of opportunities and gain access to this exclusive opportunity available to you. Benefit eligibility is in accordance with applicable laws and client requirements. Benefits include:

  • Medical, Prescription, Dental & Vision Benefits (for employees working 20 hours per week)
  • Health Savings Account (HSA) (for employees working 20 hours per week)
  • Life & Disability Insurance (for employees working 20 hours per week)
  • MetLife Voluntary Benefits
  • Employee Assistance Program (EAP)
  • 401K Retirement Savings Plan
  • Direct Deposit & weekly epayroll
  • Referral Bonus Programs
  • Certification and training opportunities
Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process.

For California applicants, 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. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

By applying and submitting your resume, you authorize Yoh to review and reformat your resume to meet Yoh’s hiring clients’ preferences. To learn more about Yoh’s privacy practices, please see our Candidate Privacy Notice: https://www.yoh.com/privacy-notice

Salary : $45 - $57

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