Rennscot MFG CNC Programmer & Machinist - Multi-axis Woburn, MA · Full time

Apply for CNC Programmer & Machinist - Multi-axis

Responsibilities

• Develop, optimize, and prove out multi-axis CNC machining processes for complex parts.
• Program CNC machines using Open Mind hyperMILL (experience with Fusion 360, ESPRIT, or Siemens NX is a plus).
• Design and fabricate custom workholding solutions, including fixtures for machining and inspection (e.g., CMM fixturing).
• Conduct first article prove-outs, verify setups, and refine programs for efficiency and reliability.
• Develop lights-out machining strategies, implementing automation to maximize unattended run time.
• Utilize advanced probing techniques to align components, particularly additive-manufactured parts, castings, and forgings.
• Interpret CMM inspection results, identify potential risks, and adjust machining strategies to ensure dimensional accuracy.
• Collaborate with the quality team to troubleshoot machining and inspection challenges.
• Create detailed setup documentation within ProShop ERP to support repeatable production.
• Provide guidance to entry-level programmers and operators when needed.
• Identify and implement continuous improvement initiatives to optimize processes, tooling, and cycle times.

Required Skills & Qualifications

• 6+ years of CNC programming experience, with an emphasis on multi-axis milling and mill-turn processes.
• Expertise in Open Mind hyperMILL (Fusion 360, ESPRIT, or Siemens NX experience is a plus).
• Strong understanding of GD&T, CNC tooling, and high-precision machining strategies.
• Experience developing lights-out machining and automated processes.
• Hands-on experience with fixture design and fabrication.
• Experience with advanced probing routines for part alignment and CMM inspection interpretation.
• Strong troubleshooting skills related to machine performance, part accuracy, and process optimization.
• Experience with high-performance materials such as titanium, Inconel, and other nickel-based alloys.
• High attention to detail and a results-driven mindset.

Preferred Skills & Qualifications

• Experience modifying post-processors for CAM software.
• Experience programming and working with automation systems, including robotic loading (UR, Fanuc, etc.).
• Familiarity with Haas, Okuma, GROB, and Mikron machines and their respective controls (OSP, Heidenhain, Haas).
• Background in post-machining of additively manufactured components.

Physical Demands

• Standing for extended periods
• Lifting/moving objects up to 50 lbs
• Fine motor skills for handling small precision components
• Working in an industrial environment requiring PPE (eye protection, hearing protection, etc.)

ITAR Requirement

To conform to US Government export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a US citizen, lawful permanent resident of the US, protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the US Department of State. Learn more about the ITAR here: https://www.pmddtc.state.gov/ddtc_public/ddtc_public?id=ddtc_public_portal_itar_landing.

Company Benefits

• Company sponsored health, dental, and vision insurance
• Long-term disability insurance
• Annual vacation and personal days
• Floating holidays
• On-site employee gym
• 401(k) with company match
• Electric Vehicle incentive program
• Share Appreciation Rights (SARs) program

Rennscot is an Equal Opportunity Employer; employment with Rennscot 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.