CNC Programmer - Defense - Newburyport, MA

CNC Programmer

The CNC Programmer will be responsible for creating, optimising, and maintaining programs for complex components using MasterCAM in a multi-axis machining environment. This role involves close collaboration with engineering and shop floor teams to ensure efficient production, program accuracy, and adherence to strict quality and safety standards. The position requires a proactive approach to troubleshooting and continuous improvement within a fast-paced manufacturing setting.

Develop, simulate, and optimise CNC programs for 2D and 3D complex geometries.

Troubleshoot machining issues on the shop floor and refine existing programs.

Create detailed setup sheets, tooling plans, and work instructions.

MPI does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual's status in any group or class protected by applicable federal, state or local law. MPI encourages applications from minorities, women, the disabled, protected veterans and all other qualified applicants.

The ideal candidate is a highly skilled CNC Programmer with a strong background in 4- and 5-axis machining and a deep understanding of precision manufacturing processes. They bring a hands-on, problem-solving mindset and are comfortable working closely with machinists and engineers to drive production efficiency and quality improvements. This individual thrives in a fast-paced, high-spec environment and is detail-oriented, technically strong, and capable of managing multiple priorities while maintaining high standards of accuracy and safety.

5+ years of MasterCAM experience with 4- and 5-axis CNC programming.

Strong knowledge of tooling, fixturing, materials, and blueprint interpretation.

Proven experience in high-speed machining and process optimisation.

This opportunity offers a competitive compensation package alongside the chance to work on technically challenging, high-precision components in a well-established and financially stable organisation. The company promotes a supportive, team-focused culture and provides flexibility alongside strong benefits, making it an attractive long-term career move. Employees gain exposure to advanced machining technologies and complex projects, while benefiting from job security and a business that values continuous improvement and employee contribution.

Competitive salary in the $100,000-$150,000 range.

Comprehensive benefits including healthcare, 401(k), and paid time off.

Flexible working schedule within a modern manufacturing facility.