Lead CNC Mill Programmer – Day Shift (Mastercam / Haas)

Company: Bristol Precision, Inc.
Location: Marlborough
Posted on: February 27, 2026

Job Description:

At a Glance Company: Bristol Precision Location: Marlborough, MA (On-site) Job Type: Full-Time Pay Range: $40 – $50 per hour (based on experience) Shift: Monday–Friday | 7:00 AM – 4:00 PM Overtime: Optional Saturdays | 7:00 AM – 12:00 PM Experience Level: Senior / Lead-Level (5 years CNC programming experience) Work Authorization: Must be eligible to work in the U.S. (ITAR environment) Why This Role Exists Bristol Precision continues to grow its prototype and small-batch aerospace, medical, and scientific programs. This Lead CNC Mill Programmer role exists to elevate programming standards, improve machining strategy, and drive consistency across complex 3-, 4-, and 5-axis work. This is not a button-pushing role. You’ll have real influence over how parts are programmed, documented, and executed on the floor. What You’ll Be Doing Program complex 3-, 4-, and 5-axis CNC milling jobs using Mastercam Develop efficient machining strategies and optimize cycle times Build complete prototype programs from print to proven process Set up and validate first-piece parts as needed Create clear, thorough setup documentation for machinists Standardize tooling and programming methods to improve repeatability Collaborate with setup machinists, production leadership, and quality Mentor programmers and machinists on best practices Specify material, tooling, and inspection requirements This role combines high-level programming with hands-on validation and leadership. Machines, Controls & Software You’ll work with: Machines: Haas Mini Mills through VF6SS 4- and 5-Axis capability (Haas TRT160 Trunnion) Controls: Haas CAM Software: Mastercam Inspection Equipment: Zeiss CMM Optical comparator Precision metrology tools Materials Aluminum Stainless Steel Alloy Steel Aerospace and medical-grade materials What We’re Looking For Required: 5 years of CNC programming experience using Mastercam Experience programming complex prototype parts from start to finish Strong understanding of 3-, 4-, and 5-axis milling Familiarity with Haas controls Ability to inspect your own work to tight tolerances Solid understanding of GD&T Comfortable working in a small-company, high-accountability environment Strong communication skills and professional mindset Preferred: Experience in aerospace, medical, or scientific industries Experience mentoring or leading other programmers Process improvement mindset Why Machinists & Programmers Like Working Here Clean, bright, air-conditioned facility Modern Haas equipment True prototype and high-mix work (not repetitive production) 4 weeks PTO 6 paid holidays Quarterly profit sharing Company-funded retirement plan Collaborative, respectful culture Real influence over how work gets done Pay & Benefits Pay Range: $40 – $50 per hour (DOE) Benefits Include: Health and dental insurance 4 weeks PTO 6 paid holidays Profit-sharing plan Company-funded retirement plan Short- and long-term disability Prescription safety glasses reimbursement Ongoing training and advancement opportunities Apply Experienced CNC programmers can apply directly through hireCNC.

Keywords: Bristol Precision, Inc., Brookline , Lead CNC Mill Programmer – Day Shift (Mastercam / Haas), Engineering , Marlborough, Massachusetts