Prototype OR Set Up Machinist – Day Shift (Haas / Mastercam)

🔎At a Glance

Company: Bristol Precision
Location: Marlborough, MA (On-site)
Job Type: Full-Time
Pay Range: $35 – $45 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: 5+ years preferred
Work Authorization: Must be eligible to work in the U.S. (ITAR environment)

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Why This Role Exists

Bristol Precision continues to grow its prototype and small-batch aerospace, medical, and scientific programs. There is a need for a prototype mill machinist who can work print-to-part as well as an experienced mill set up machinist.

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What You’ll Be Doing

• Set Up Mill Machinist:
  • Set up and run complex CNC milling jobs in a high-mix, tight-tolerance environment
  • Perform first-article and in-process inspections
  • Select tooling, set offsets, and verify workholding
  • Troubleshoot machining issues to maintain workflow
• Prototype Mill Machinist
  • Program parts in Mastercam and make edits at the machine as needed
  • Set up and run complex CNC milling jobs in a high-mix, tight-tolerance environment
  • Perform first-article and in-process inspections
  • Select tooling, set offsets, and verify workholding
  • Troubleshoot machining issues to maintain workflow
  • Lead daily workflow for setup machinists and operators
  • Train and mentor team members on setup efficiency and quality standards
  • Coordinate closely with production leadership

These are not desk roles, you are hands on on the floor

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Machines, Controls & Software

You’ll work with:

Machines:

• Haas Mini Mills through VF6SS
• 5-Axis capability (Haas TRT160 Trunnion)

Controls:

• Haas

CAM Software:

• Mastercam

Inspection Equipment:

• Zeiss Contura CMM
• Optical comparator
• Precision measurement tools

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Materials

• Aluminum
• Stainless Steel
• Alloy Steel
• Aerospace and medical-grade materials

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What We’re Looking For

Required:

• 5+ years of CNC milling experience
• Strong setup background (not operator-only)
• Experience with Haas controls
• Working knowledge of Mastercam
• Ability to read blueprints and interpret GD&T
• Experience holding tight tolerances
• Strong communication skills and leadership mindset
• Experience working in an ISO-certified environment

Preferred:

• 5-axis experience
• Aerospace or medical industry experience
• Prior leadership or mentoring experience

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Why Machinists Like Working Here

• Bright, clean, air-conditioned facility
• Well-maintained equipment
• Strong QA department
• Flexible schedules
• Quarterly profit sharing
• 20 days PTO + 6 paid holidays
• Professional, respectful team culture

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Pay & Benefits

Pay Range: $35 – $45 per hour (DOE)

• Set UP Machinist $30-38/hour
• Prototype Machinist: $38-45/hour

Benefits Include:

• Health, dental, and vision insurance
• 4 weeks PTO + 6 paid holidays
• Quarterly profit-sharing plan
• Retirement plan
• Short- and long-term disability
• Prescription safety glasses reimbursement
• Ongoing training and advancement opportunities

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Apply

Interested machinists can apply directly through hireCNC.