[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Ametek jobs](https://jobs.opennash.com/companies/ametek/) · [Search jobs](/search/) Ametek · Middlefield, CT # Precision Machinist (Manual & NC Milling / Grinding) Middlefield, CT, US Manufacturing & Production Listed on Ametek’s official careers site. Listed as of October 17, 2026. Check that it is still open and apply there. [Apply on Ametek’s careers site →](https://jobs.ametek.com/job/Middlefield-Precision-Machinist-%28Manual-&-NC-Milling-Grinding%29-CT-06455/1397800900/) [OpenNash Jobs](https://jobs.opennash.com/) / [Ametek](https://jobs.opennash.com/companies/ametek/) / Precision Machinist (Manual & NC Milling / Grinding) ## 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 to Zygo, 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 of Zygo programs 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. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 17, 2026 - Listed for: 99 days - Location: Middlefield, CT, US[Apply on Ametek’s careers site →](https://jobs.ametek.com/job/Middlefield-Precision-Machinist-%28Manual-&-NC-Milling-Grinding%29-CT-06455/1397800900/) ## More jobs at Ametek ### [CNC Machinist (3rd Shift)](https://jobs.opennash.com/companies/ametek/jobs/43c1364ff38266cbd3d6/) Middlefield, CT, US ### [Incoming Quality Inspector - 2nd Shift - Precision Manufacturing](https://jobs.opennash.com/companies/ametek/jobs/09b8e9b8a7af73da04f2/) Middlefield, CT, US ### [Manufacturing Engineer](https://jobs.opennash.com/companies/ametek/jobs/954034ef1b39a296c6a1/) Middlefield, CT, US ### [Optics Machinist - Polishing (2nd shift)](https://jobs.opennash.com/companies/ametek/jobs/a8f7343213bda8997bd0/) Middlefield, CT, US ### [DVP, Business Unit Manager](https://jobs.opennash.com/companies/ametek/jobs/6675b7158a71974af4a6/) Middlefield, CT, US ## Similar jobs at other companies ### [Machinist Milling](https://jobs.opennash.com/companies/lockheed-martin/jobs/22a49679cd88cce3a3a2/) Lockheed Martin · Palmdale, CA ### [CNC Programmer/Machinist - Milling](https://jobs.opennash.com/companies/eaton/jobs/ef00b61d1c5b00cb4b2b/) Eaton · Marshall, Michigan, USA ### [Milling Machine Machinist 1](https://jobs.opennash.com/companies/northrop-grumman/jobs/7c0a37fb623b42a896e7/) Northrop Grumman · United States-Florida-Melbourne ### [CNC Milling Machinist](https://jobs.opennash.com/companies/siemens-energy/jobs/2aa32c78ff86ac5ee195/) Siemens Energy · Ft. 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