CNC Machinist and Programmer

We have an immediate opening for a CNC Machinist and Programmer to work in our advanced manufacturing assembly department based in our Hopkinton, MA location. This is a full-time role, Monday-Friday, 7am-3:30pm.  As a CNC Machinist and Programmer, you will play a key role in the production and development of high-precision components used in complex motion and positioning systems. You will be responsible for setting up, programming, operating, and inspecting CNC machines to produce both custom and standard parts to exact specifications. We work with extremely tight tolerances, often in the micron range, requiring exceptional attention to detail and a deep understanding of precision machining practices. 

About Us

PI (Physik Instrumente), LP is a leader in high precision positioning systems. We design and manufacture world-class precision motion and automation systems at our locations throughout North America, Europe and Asia. Our products include air bearings and air bearing stages, hexapod positioning and alignment systems, precision actuators, piezo drivers and much more! PI's customers are leaders in high tech industries and research institutes in fields such as photonics, semiconductor, aerospace and life sciences. Our customers are building the future generation of earth changing technologies and we get to contribute to these impactful advancements!

The culture is open, transparent, enthusiastic with a general curiosity to solve emerging science and technology challenges. If you have an open, inquiring mind and like to develop solutions for first generation problems, you will be right at home.  We are pioneers by nature; quite frequently, we are creating or building a device that will be applied for the first time, for a process that will be leveraged for an entire marketplace.  

Essential Duties and Responsibilities

• Set up and operate Haas CNC mills and/or lathes to manufacture parts to tight tolerances.
• Interpret technical drawings, blueprints, and GD&T specifications.
• Perform in-process inspections and final checks using precision measuring tools (e.g., calipers, micrometers, height gauges, CMM, etc.).
• Select appropriate tools, fixtures, and materials for each job.
• Monitor machine performance and make adjustments as necessary to maintain quality and efficiency.
• Create and optimize CNC programs using Mastercam software (mill, lathe, or multi-axis as required).
• Simulate toolpaths and validate programs prior to machine execution.
• Modify existing programs to improve cycle time and surface finish or to accommodate engineering changes.
• Collaborate with engineers and designers to develop efficient machining strategies.
• Maintain machines, tools, and workspaces in a clean and safe working condition.
• Perform routine maintenance and troubleshoot issues with machines and tooling.
• Follow all safety protocols and wear appropriate PPE.

 Education & Experience

• High school diploma or equivalent; technical degree or certification preferred.
• Minimum of 3-5 years of experience in CNC machining and Mastercam programming.

Skills & Requirements

• Proven experience with Haas CNC equipment (VF, ST series, etc.).
• Strong knowledge of G-code, M-code, feeds, speeds, and tooling.
• Proficiency with Mastercam (latest versions preferred).
• Ability to read and interpret blueprints and manufacturing documentation.
• Experience with various materials such as aluminum, steel, stainless, and plastics.
• Familiarity with quality control processes and inspection tools.

What We Provide: 

• Blue Cross Blue Shield of MA PPO medical plan with HSA. 
• Dental and vision insurance. 
• LTD & Life insurance. 
• Tuition Reimbursement
• 12 Holiday days off
• PTO and Sick Time
• 401k with a generous company match.  
• And much more!

PI (Physik Instrumente), LP is an Equal Employment Opportunity Employer/Protected Veterans/Individuals with Disabilities. Employment is dependent on the results of a background check. We are open to reasonable accommodation – please contact us at hr@pi-usa.us for consideration.  

We are not currently providing work authorization or sponsorship for this opportunity. 

This position will be based out of the Hopkinton, MA facility until October 2025.  After this time, the job location will be in our Shrewsbury, MA facility.  Please take this into consideration when applying.