Senior CNC Machinist

ZEISS Group; Chesterfield (MO); On-site; USD 70,000 - 95,000; Full time

Benefits offered by this job

Medical

Vision

Dental

401k Matching

Employee Assistance Programs

Vacation and sick pay

Job summary

ZEISS Group is seeking an experienced Senior CNC Machinist to lead a skilled machining team in Chesterfield. You will set up, program, and operate CNC turning and milling centers, drive process improvements, and mentor junior machinists.

A strong GD&T background and CAD/CAM fluency are essential for translating CAD models into manufacturable parts. The role emphasizes Lean manufacturing, schedule adherence, and collaboration with design and quality teams to ensure high-quality parts and

Qualifications

• 8+ years CNC machining experience (turning and milling)
• 3+ years in a leadership or management role
• 1–3 years interpreting GD&T on engineering drawings
• 1–3 years setting up CNC turning and milling machines (offsets/zeroing)
• 5+ years hands-on CAD/CAM software experience

Responsibilities

• Lead and mentor CNC machining team; 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 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, 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

Skills

CNC turning

CNC milling

GD&T interpretation

Lean manufacturing

Team leadership

Education

High School Diploma or GED

AS degree or CNC certificate

Tools

CAD/CAM software

Job description

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 supervisorDo you qualify?High School Diploma or GEDAssociate 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 experienceWe have amazing benefits to support you as an employee at ZEISS!MedicalVisionDental401k MatchingEmployee Assistance ProgramsVacation and sick payThe 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 KhalilZeiss 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).