CNC Programmer II

Experience and Education High School Diploma with at least 6 years of relevant CNC programming experience; or Associate's degree in manufacturing, Machining Technology, CNC Programming, or a related field with at least 4 years of relevant experience. Demonstrated proficiency programming 2-axis turning and 3-axis milling in Hypermill, Esprit, or a comparable CAM platform, including machine prove-outs and setup documentation. Hands-on experience with Haas, Okuma, and/or Heidenhain CNC controllers preferred. Experience with ProShop ERP or a comparable production management system is a plus.

High School Diploma with at least 6 years of relevant CNC programming experience; or

Associate's degree in manufacturing, Machining Technology, CNC Programming, or a related field with at least 4 years of relevant experience.

Demonstrated proficiency programming 2-axis turning and 3-axis milling in Hypermill, Esprit, or a comparable CAM platform, including machine prove-outs and setup documentation.

Hands-on experience with Haas, Okuma, and/or Heidenhain CNC controllers preferred.

Experience with ProShop ERP or a comparable production management system is a plus.

Skills and Abilities Proven ability to develop complete, production-ready CNC programs for 2-axis turning and 3-axis milling independently. Solid understanding of tooling selection, cutting strategy development, and work-holding across a variety of component geometries. Ability to read and interpret engineering drawings and GD&T callouts and apply them to programming and inspection decisions. Demonstrated experience identifying and resolving programming and quality issues through structured root-cause thinking and permanent corrective action. Ability to coach Programmer I colleagues and train machine operators through direct instruction and clear process communication. Strong documentation and communication skills; adaptable to operators, engineers, and supervisors alike. Track record of sound judgment and consistent, reliable delivery. Committed to continuous technical growth — actively pursues expanded programming capability.

Proven ability to develop complete, production-ready CNC programs for 2-axis turning and 3-axis milling independently.

Solid understanding of tooling selection, cutting strategy development, and work-holding across a variety of component geometries.

Ability to read and interpret engineering drawings and GD&T callouts and apply them to programming and inspection decisions.

Demonstrated experience identifying and resolving programming and quality issues through structured root-cause thinking and permanent corrective action.

Ability to coach Programmer I colleagues and train machine operators through direct instruction and clear process communication.

Strong documentation and communication skills; adaptable to operators, engineers, and supervisors alike.

Track record of sound judgment and consistent, reliable delivery.

Committed to continuous technical growth — actively pursues expanded programming capability.

You are a technically confident CNC programmer who has moved beyond following instructions and now trusts your own judgment. You've proven you can take a component from drawing to production-ready program — and you take real pride in getting it right the first time.

You're self-directed and dependable. When you commit to a timeline, you meet it. When something isn't working, you dig in, figure out why, and fix it for good — not just for today's job, but for the next one.

You communicate clearly and adjust naturally to your audience, whether you're explaining a process to a machine operator, walking an engineer through a toolpath decision, or flagging an issue to a supervisor. You don't wait to be asked — you keep people informed.

You're a natural teacher. You genuinely enjoy helping others understand not just what to do, but why — and you find satisfaction in watching a colleague or operator handle something confidently that they couldn't before.

You're not finished learning. You actively seek out opportunities to expand your technical repertoire — new CAM techniques, tooling strategies, machining principles — because you see the craft of programming as something worth pursuing at a high level.

And you care about the details. Your documentation is thorough, your setups are clean, and you hold yourself to a standard that the whole team can count on.

Rennscot MFG, founded in 2017, started as a motorsports-focused shop in the aftermarket automotive industry. Now, they are a leading provider of advanced manufacturing services located in Woburn, MA. Rennscot MFG strives to be more than just a machine shop; they solve problems in innovative ways, using a suite of integrated services to fuel a passion for ideation. With a focus on diversifying into commercial and critical technology sectors, Rennscot MFG delivers cutting-edge technologies and unwavering commitment to quality. They offer a comprehensive range of services, including reverse engineering, metal & polymer additive manufacturing, and precision machining to support various industries’ needs. For more information, visit rennscotmfg.com .

Rennscot MFG is an Equal Opportunity Employer; employment with Rennscot MFG is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.