Senior CNC Machinist
LocationChesterfield, MO
Work modeon-site
Typefull-time
SenioritySenior
Experience8+ yrs
Company size10,000+ people
PostedAug 14, 2026 · 1mo ago
Verified live17h ago
At a glanceSummarised by Seekless from the posting.
8+ years of CNC machining experience (turning and milling)
3+ years in a leadership or management role
High School Diploma or GED
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
Proven capability in GD&T interpretation
Proven capability in CAD/CAM workflows
Proven capability in machine setup
Lead and mentor CNC machining team members; plan, assign, and monitor daily workloads
Set up, program, calibrate, and operate CNC turning and milling centers
Interpret and apply GD&T per engineering drawings
Collaborate with design, process, and quality teams to translate CAD models into manufacturable parts
Develop and optimize CNC programs using CAD/CAM software
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
Ensure compliance with all safety, quality, and environmental requirements
Associate degree or certificate from a community college or technical school (2-year programs) in CNC technology, manufacturing technology, or precision machining
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, genetic predisposition, carrier status, gender expression or identity, including transgender identity, or any other class or characteristic protected by federal, state, or local law
Skills
CNC
CAD
CAM
GD&T
Benefits
Health insurance
Vision insurance
Dental insurance
401(k)
Employee assistance program
Paid vacation
Sick pay
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!
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Medical
•
Vision
•
Dental
•
401k Matching
•
Employee Assistance Programs
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Vacation and sick pay
•
The list goes on!
Legal
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).