Senior Technician – Prototyping & Machining (Medical Devices)

Theragenics Corp • Sandwich, MA

5h

About The Position

Purpose of Job  The Senior Technician – Prototyping & Machining supports engineering, design services, and R&D activities by fabricating, modifying, and assembling medical device prototypes, tooling, and fixtures. This role emphasizes hands-on machining and prototype manufacturing using CNC, manual, and custom-developed equipment. The position requires a demonstrated willingness and capability to personally manufacture a wide variety of medical device prototypes while collaborating closely with engineers in a regulated environment.

Requirements

• High School Diploma or GED required; technical or vocational training in machining or manufacturing preferred.
• With a degree: 1–5 years of professional experience in technical, engineering, or laboratory environments.
• With a high school education: 7–10 years of senior-level, hands-on experience in machine operation, prototyping, and assembly work.
• Demonstrated experience operating manual and CNC machining equipment; CNC programming exposure (G-code and/or CAM systems) preferred.
• Strong understanding of machining methods, tolerances, materials, and tooling selection.
• Ability to read and interpret engineering drawings, GD&T, and technical specifications.

Nice To Haves

• Associate degree in Engineering Technology or related field is a plus.
• Familiarity with plastic injection molding processes is a plus.
• Experience working in ISO 13485 and FDA-regulated environments preferred.

Responsibilities

• Fabricate, modify, and assemble medical device prototypes, tooling, fixtures, and experimental components.
• Set up and operate manual and CNC machining equipment including mills, lathes, grinders, and specialty equipment.
• Manufacture prototype components using processes such as CNC machining, tube bending, forming, swaging, tip grinding, laser cutting, and laser welding.
• Perform metal-to-plastic assembly, integrating machined metal parts with injection-molded or rapid-prototyped components.
• Support rapid design iteration by modifying prototype components based on engineering feedback.
• Read and interpret engineering drawings, CAD models, sketches, and GD&T specifications.
• Use precision inspection tools to verify dimensional accuracy and conformance to specifications.
• Maintain a clean, organized, and safe lab and tool room environment.
• Comply with all safety, quality, and regulatory requirements.
• Provide technical guidance to engineers and technicians on manufacturability, machining methods, and material selection.
• Lead complex or high-precision prototype builds and process development activities.
• Collaborate with Engineering on prototype development, custom equipment, and fixture design.
• Support troubleshooting of fabrication, assembly, and test-related issues.
• Assist with development and refinement of prototype fabrication processes and best practices.
• Support special engineering, R&D, and facilities projects as assigned.

Benefits

• Work on innovative projects that directly impact patient care.
• Collaborate with engineers and cross-functional teams in a dynamic environment.
• Opportunities for career growth and skill development.
• Competitive benefits and a supportive, purpose-driven culture.
• Be part of a mission that matters—developing prototypes that contribute to life-saving medical devices.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED