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Sr. Machinist

John Galt Staffing

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$38-40 /h
PAY RATE
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Fall River, MA
LOCATION
First Shift
SHIFT

Job Description

As posted by the hiring company

Job Overview:

Essential Duties and Responsibilities

Advanced Machining & Programming

  • Set up, program, and operate CNC and/or manual mills, lathes, grinders, and other machine shop tools with minimal supervision.
  • Develop and optimize machining programs, tool paths, speeds, and feeds to achieve required tolerances and surface finishes.
  • Interpret complex engineering drawings, GD&T callouts, and 3D models to determine machining methods.
  • Select appropriate tooling, fixtures, and work-holding devices; design simple fixtures when needed.
  • Machine tight-tolerance or complex parts requiring advanced problem-solving and precision.

Inspection & Quality Control

  • Perform advanced dimensional inspections using micrometers, bore gauges, height gauges, optical comparators, indicators, and CMM equipment (as applicable).
  • Verify compliance with engineering specifications and document inspection results.
  • Troubleshoot part quality issues and correct machining processes to prevent recurrence.
  • Support First Article Inspection (FAI) documentation when required.

Troubleshooting & Process Optimization

  • Identify machining inefficiencies, recommend improvements, and assist in implementing optimized processes.
  • Diagnose root causes of machining defects, tool wear, vibration, and performance issues.
  • Collaborate with engineering on manufacturability improvements and design adjustments.

Leadership & Training

  • Mentor and support junior and mid-level machinists in machining techniques, safety, documentation, and quality practices.
  • Assist with onboarding new machinists and machine operators.
  • Lead by example in safety, 5S, and machine shop standards.

Maintenance & Safety

  • Perform routine machine maintenance and identify when equipment needs repair or calibration.
  • Ensure compliance with all safety procedures, PPE requirements, and shop policies.
  • Maintain a clean, organized, and efficient work area according to 5S principles.

Minimum Qualifications

  • High school diploma or GED; technical school or apprenticeship strongly preferred.
  • 5–7+ years of machining experience in a manufacturing or precision machine shop environment.
  • Expert proficiency operating manual and CNC machine tools.
  • Strong understanding of GD&T, blueprint interpretation, machining math, and material behavior.
  • Ability to write, edit, or optimize CNC programs (Fanuc, Haas, Mazak, or similar).
  • High proficiency with precision measurement instruments.
  • Ability to resolve complex machining issues with minimal guidance.
  • Strong communication skills and ability to mentor others.
  • Ability to lift up to 40 lbs and work extended periods on the shop floor.

Preferred Qualifications

  • CNC programming experience using Mastercam, Fusion 360, GibbsCAM, or similar software.
  • Experience machining hardened materials, exotic alloys, or complex geometries.
  • Experience in ISO 9001, AS9100, or other regulated manufacturing environments.
  • Participation in lean manufacturing or continuous improvement initiatives.
  • Experience designing fixtures or work-holding solutions.

Work Environment

  • Machine shop environment with exposure to cutting fluids, metal chips, rotating machinery, and moderate noise.
  • Requires proper PPE including safety glasses, hearing protection, and steel-toe footwear.
  • Frequent interaction with machinists, engineers, quality inspectors, and supervisors.

You should be proficient in:

  • CNC Programming
  • G-Code
  • M-Code
  • CNC Machine Setup & Changeover
  • Manual Machining Skills

Machines & technologies you'll use:

  • CNC Mill (3-4 axis VMC) (Fanuc, Mazak, Haas)
  • CNC Lathe (2-4 axis) (Mazak, Haas)