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Senior Machinist

Job in Melville, Suffolk County, New York, 11747, USA
Listing for: NESC Staffing
Full Time position
Listed on 2026-08-27
Job specializations:
  • Manufacturing / Production
    CNC Machinist, Manufacturing & Industrial Operations
Job Description & How to Apply Below

Senior Machinist

Set up and operate manual and CNC machine tools—including lathes, milling machines, drill presses, grinders, and Haas CNC machinery—to produce precision parts, tools, and fixtures from drawings, sketches, and operation sheets.

Read and interpret complex blueprints and engineering documentation, applying shop mathematics and GD&T.

Consistently achieve extremely tight dimensional tolerances required in military/space grade manufacturing.

Determine required machinery, sequence of operations, setups, and machining strategies.

Select proper cutting tools for each operation, including grinding, sharpening, and maintaining tooling.

Use precision measuring instruments such as micrometers, calipers, height gauges, and other inspection tools to verify conformance.

Maintain excellent attention to detail, organization, and adherence to 5S standards to keep a clean and efficient shop environment.

Monitor ongoing shop activities and identify needs for new equipment, tooling, work holding/fixturing, and process improvements.

High School Diploma and a minimum of 8 years of prior relevant experience or associate's degree with a minimum of 6 years of prior relevant experience.

5+ years of experience in a machine shop environment with strong knowledge of machining practices, setups, tooling, and material characteristics (metals and plastics)

Experience with Haas CNC equipment

Proficiency in Master Cam and/or Fusion 360 for machining/CAM programming

Experience with Autodesk Inventor is highly desirable

Demonstrated ability to hold and verify tight tolerances using precision metrology tools

Strong organization, attention to detail, and adherence to 5S/LEAN methodologies

Excellent communications skills, teamwork, and problem-solving skills

Microsoft Office proficiency

To conform to U.S. Government export regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S. (e.g. Green Card holder), or a protected individual as defined by the International Traffic in Arm Regulations (ITAR).

Position Requirements
10+ Years work experience
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