Precision Machinist (Manual & NC Milling / Grinding)

AMETEK, Inc.; Middlefield (CT); On-site; USD 65,000 - 75,000; Full time

Job summary

Zygo Corporation in Middlefield, CT, is seeking a Precision Machinist (Manual & NC Milling / Grinding) to fabricate high-precision components for advanced optical systems. The role requires operating manual and NC milling machines, performing hand-lapping, and applying GD&T to ensure micron-level tolerances.

Qualifications include a High School Diploma or GED and 5 years of experience in a precision manufacturing environment with blueprints and inspection tooling.

Qualifications

• High School Diploma or GED required.
• 5 years demonstrated experience operating manual and NC milling machines and grinders in a precision manufacturing environment.
• Strong ability to read and interpret blueprints, technical drawings, and GD&T.
• Experience using precision inspection equipment (micrometers, calipers, drop gauges, height gauges, etc.).
• High attention to detail with a focus on quality and precision workmanship.
• Strong troubleshooting skills with the ability to identify and resolve machining issues independently.

Responsibilities

• Set up and operate manual and NC milling machines, grinding equipment, and related tooling to fabricate precision components to micron level tolerances.
• Perform hand-lapping to achieve surface flatness and parallelism.
• Interpret technical drawings, blueprints, specifications, and tooling sheets to ensure accurate machining and compliance with requirements.
• Apply GD&T principles to maintain dimensional accuracy and product quality.
• Perform inspections using precision measuring equipment to verify conformance to specifications.
• Troubleshoot machining issues, identify root causes, and optimize equipment performance and process efficiency.
• Perform rework and modification of production parts and maintain documentation.

Skills

Reading blueprints

GD&T

Attention to detail

Troubleshooting

Self-motivation

Strong work ethic

Education

High School Diploma or GED

Tools

Micrometers

Calipers

Height gauges

Drop gauges

Job description

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Job Title: Precision Machinist (Manual & NC Milling / Grinding)

Location: Middlefield, CT, US, 06455

Business Unit: Zygo

Posting Date: Jul 7, 2026

Job Description: At Zygo, your skills and insights will be integral to our core values of curiosity, collaboration, and persistence. For over 50 years, Zygo Corporation in Middlefield, CT, has been a global leader in designing and manufacturing advanced optical metrology systems, ultra-precise optical components, and complex electro-optical systems and assemblies. As a Precision Machinist (Manual & NC Milling / Grinding) you will fabricate high-precision components to micron level tolerances supporting advanced optical systems and critical production needs.

KEY RESPONSIBILITIES:

• Set up and operate manual and NC milling machines, grinding equipment, and related machining tools to fabricate precision components to micron level tolerances
• Perform hand-lapping to achieve to surface flatness and parallelism
• Interpret technical drawings, blueprints, specifications, and tooling sheets to ensure accurate machining and compliance with requirements
• Apply GD&T principles to maintain dimensional accuracy and product quality
• Perform inspections using precision measuring equipment such as micrometers, calipers, drop gauges, and height gauges to verify conformance to specifications
• Troubleshoot machining issues, identify root causes, and optimize equipment performance and process efficiency
• Perform rework and modification of production parts, including removal of broken fasteners, surface refinishing, and precision repairs
• Ensure high standards of detail, surface finish, and cosmetic quality in all work produced
• Ability to retain verbal instructions, document work through written notes, maintain records, and follow established manufacturing and quality procedures
• Maintain a clean, organized, and safe work environment and adhere to all safety policies
• Work independently to complete assignments within expected timelines

REQUIRED SKILLS AND COMPETENCIES:

• High School Diploma or GED required
• 5-years demonstrated experience operating manual and/or NC milling machines and grinders in a precision manufacturing environment
• Strong ability to read and interpret blueprints, technical drawings, and GD&T
• Solid mathematical aptitude and problem-solving skills
• Experience using precision inspection equipment (micrometers, calipers, drop gauges, height gauges, etc.)
• High attention to detail with a focus on quality and precision workmanship
• Strong troubleshooting skills with the ability to identify and resolve machining issues independently
• Self-motivated with the ability to work with minimal supervision
• Strong work ethic, reliability, and ability to concentrate on detailed tasks

PREFERRED QUALIFICATIONS:

• Experience with manual and NC lathes
• Graduate of state technical high school precision machining technology program
• Experience in precision, optics, aerospace, or similar high-tolerance manufacturing environments

Bring your passion and commitment toZygo, where we are curious, collaborative, persistent, and confident, where safety and quality guide every step of our journey. Grow with us as we solve complex challenges, inspire confidence, and drive excellence in manufacturing.

Are you ready to expand the boundaries of possibility, simplify the complex, and embody the values that define our success?We welcome your unique perspective and invite you to join us!

We offer competitive compensation, benefits, retirement (401k)and paid time off programs. Compensation and position level will be set based on experience.

*Due to the nature ofZygoprograms and products, applicants must have the legal right to work in the US and additionally must be legally authorized to access export-controlled information and source code.*

Compensation

Employee Type: Hourly

Currency: USD

Salary Minimum: 65,000

Salary Maximum: 75,000

Incentive: No

Disclaimer:Where a specific pay range is noted, it is a good faith estimate at the time of this posting. The actual salary offered will be based on experience, skills, qualifications, market / business considerations, and geographic location.

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.Individuals who need a reasonable accommodation because of a disability for any part of the employment process should call 1 [phone].