Senior CNC Machinist

ZEISS•Chesterfield, MO

13d•Onsite

About The Position

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! 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.

Requirements

High School Diploma or GED
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

Nice To Haves

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

Responsibilities

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