Senior CNC Machinist

zeissgroup· Katalyst Surgical, LLC
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📍 Chesterfield, MOFull time

About this role

About Us:

How many companies can say they’ve been in business for over 179 years?!

Here at ZEISS, we certainly can! As the pioneers of science, ZEISS handles the everchanging environments in a fast-paced world, meeting it with cutting edge of technologies and continuous advancements. ZEISS believes that innovation and technology are the key to a sustainable future and solutions for global change. We have a diverse range of portfolios throughout the ZEISS family in segments like, Industrial Quality & Research, Medical Technology, Consumer Markets and Semiconductor Manufacturing Technology. We are a global company with over 42,000 employees and have over 4,000 in the US and Canada alone! Make a difference, come join the team!

What’s the role?

We’re seeking an experienced Senior CNC Machinist with 3+ years of leadership or management experience and a strong background in CNC turning and milling. The ideal candidate will bring 8+ years of CNC machining expertise, 5+ years in a manufacturing environment with a Lean mindset, and proven capability in GD&T interpretation, CAD/CAM workflows, and machine setup. This role will mentor junior machinists, drive process improvements, and contribute to production planning and quality initiatives.

Sound Interesting?

Here’s what you’ll do:

  • Lead and mentor CNC machining team members; plan, assign, and monitor daily workloads.

  • Set up, program, calibrate, and operate CNC turning and milling centers; optimize cycle times and part quality.

  • Interpret and apply GD&T per engineering drawings; verify tolerances and document inspection results.

  • Collaborate with design, process, and quality teams to translate CAD models into manufacturable parts.

  • Develop and optimize CNC programs using CAD/CAM software; support fixture design and tooling selection.

  • Drive Lean manufacturing initiatives: standard work, 5S, continuous improvement, and waste reduction.

  • Lead root cause analysis for dimensional issues and implement corrective actions.

  • Mentor junior machinists on best practices, safety standards, and machine maintenance.

  • Assist in qualification of new equipment, tooling, and CAM workflows; participate in capital equipment justifications.

  • Ensure compliance with all safety, quality, and environmental requirements.

  • Other duties as assigned by supervisor

Do you qualify?

  • High School Diploma or GED

  • Associate degree or certificate from a community college or technical school (2-year programs) in CNC technology, manufacturing technology, or precision machining (preferred)

  • 8+ years of CNC machining experience (turning and milling), with 3+ years in a leadership or management role.

  • 1–3 years of experience interpreting and applying GD&T on engineering drawings.

  • 1–3 years of experience setting up CNC turning and milling machines (setup, offsets, zeroing, probes/tools).

  • 5+ years of hands-on CAD/CAM software experience

We have amazing benefits to support you as an employee at ZEISS!

  • Medical
  • Vision
  • Dental
  • 401k Matching
  • Employee Assistance Programs
  • Vacation and sick pay 
  • The list goes on! 

 

The above is intended to describe the general content of and requirements for this job. It is not to be construed as an exhaustive statement of requirements, duties, or responsibilities. The Company reserves the right to interpret, amend, or otherwise modify, in whole or in part, any job description at any time, at its sole discretion.

Your ZEISS Recruiting Team:

Maria Khalil

Zeiss provides Equal Employment Opportunity without unlawful regard to an Applicants race, color, religion, creed, sex, gender, marital status, age, national origin or ancestry, physical or mental disability, medical condition, military or veteran status, citizen status, sexual orientation, pregnancy (includes childbirth, breastfeeding or related medical condition), genetic predisposition, carrier status, gender expression or identity, including transgender identity, or any other class or characteristic protected by federal, state, or local law of the employee (or the people with whom the employee associates, including relatives and friends). 

Frequently Asked Questions

Is the salary disclosed for the Senior CNC Machinist position at zeissgroup?
The salary for this Senior CNC Machinist role at zeissgroup is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior CNC Machinist position at zeissgroup located?
This Senior CNC Machinist role at zeissgroup is based in Chesterfield, MO. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior CNC Machinist role at zeissgroup full-time or part-time?
This is listed as a Full time position. It is posted as a Senior CNC Machinist role in the Katalyst Surgical, LLC department at zeissgroup.
Which team or department does the Senior CNC Machinist at zeissgroup belong to?
This Senior CNC Machinist position is part of the Katalyst Surgical, LLC department at zeissgroup. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior CNC Machinist position at zeissgroup?
Click the "Apply Now" button on this page. You will be redirected to zeissgroup's official application portal hosted on workday where you can submit your application directly.
When was the Senior CNC Machinist job at zeissgroup posted?
This Senior CNC Machinist position at zeissgroup was posted on Aug 14, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior CNC Machinist
zeissgroup
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