CMM Programmer

CMM Programmer


At Doncasters we have an exciting opportunity for a CMM Programmer to join our team in Groton, CT.

Why join us?

Did you know that every time you take a flight, drive somewhere, or switch on a light, there's a chance Doncasters played a part in making that happen?

We are a specialist manufacturer of complex precision cast components for aerospace engines and industrial gas turbines, supporting leading OEM programs.

We excel in turning metals into motion, working in alloys and manufacturing complex product designs to offer an unparalleled range of solutions for high performance and specialist applications.

We employ more than 3,000 people across 14 core manufacturing facilities globally, providing the scale and expertise required to serve leading aerospace engine and IGT OEMs.

At Doncasters, we believe in doing things the right way. That means acting with integrity, delivering with commitment, and working as one team to achieve more, together. Whether you're developing precision-engineered components, running world-class manufacturing operations, or supporting our people and processes, your role is part of something much bigger.

Join us and contribute to a legacy built on performance, precision, and the values that drive us forward - excellence, commitment, integrity, and teamwork.

What we can offer you:

• An interesting and varied field to work in

• An environment where you can learn and grow through constant development opportunities

• PTO

• Competitive 401K

• Competitive medical insurance

The Role:

The CMM Programmer is responsible for developing, validating, and executing inspection programs using Coordinate Measuring Machines (CMM) to ensure precision components meet engineering specifications and quality standards. This role supports manufacturing, engineering, and quality teams in a fast-paced aerospace/industrial environment.

• Develop and optimize CMM programs (e.g., PC-DMIS, Calypso) for complex components
• Interpret engineering drawings, GD&T, and customer specifications
• Perform first article inspections (FAI) and in-process inspections
• Analyze inspection data and generate detailed reports
• Troubleshoot measurement issues and improve inspection processes
• Collaborate with engineering and production teams to resolve quality concerns
• Maintain calibration and proper functioning of CMM equipment
• Support continuous improvement and lean manufacturing initiatives

Interested?
If you have any of the below skills, we would love to talk to you about your next career move:

• Associate's or Bachelor's degree in Manufacturing, Engineering, or related field (or equivalent experience)
• 3+ years of CMM programming experience
• Strong understanding of GD&T and blueprint reading
• Experience with CMM software (PC-DMIS, Zeiss Calypso, or similar)
• Knowledge of aerospace quality standards (AS9100 preferred)
• Strong analytical and problem-solving skills

To Apply

Apply online.


We'll be in touch with you quickly after receiving your application.

Equal opportunities

Doncasters is committed to achieving workforce diversity and we pride ourselves on creating an inclusive working environment. We welcome all applications irrespective of social and cultural background, national origin, race, age, sex, gender identity, disability- physical or hidden, sexual orientation, veteran status, religious belief, or any other characteristics protected by law. We provide a fully inclusive and accessible recruitment process. We encourage all applicants to reach out if they require any support or accommodations to enable them to thrive throughout our recruitment process. Please contact View email address on click.appcast.io

An ambitious individual who has proven experience using Coordinate Measuring Machines (CMM) and ideally experience in blueprint interpretation and geometric dimensioning and tolerancing of metallic materials.


We are keen to hear from candidates who have excellent understanding of data sheets, shop math and be able to solve right angle trigonometric problems and those who are proficient in exporting data to Excel for statistical evaluation.