CNC Vertical Milling Machinist – Nights

Jonaco Machine is a full-service precision machining supplier with over 40 years of industry experience producing a portfolio of complex, high mix, low volume parts with very short lead times. We have built a strong reputation of making difficult, close tolerance parts for customers in the medical, aerospace/defense, and high technology industries. Jonaco has an immediate opening for a CNC Vertical Milling Machinist.

Essential Duties and Responsibilities

  • Possesses all training and skills required for Level I.
  • Able to set-up existing programmed jobs.
  • Able to understand and read programs for various machines.
  • Demonstrates strong computer skills.
  • Able to determine proper tooling.
  • Edit Programs
  • Basic NC software
  • Tool Management
  • Complex Dimensional Inspections
  • Basic GD&T understanding
  • Algebra
  • Geometry
  • Studies blueprints and specifications to determine dimensions and tolerances of finished work piece, sequence of operations, and setup requirements.
  • Selects, aligns and secures holding fixtures, cutting tools, attachments, accessories and materials on machines.
  • Verifies conformance of finished workpiece to blueprints and specifications.

Other Duties and Responsibilities

  • Keeps supervisor informed of known actions written or verbal, which may affect the ability to successfully perform assignments or adversely affect the Company operations.
  • Provide other support whether apparent, required or needed.


  • High School Education or GED preferred
  • 2-4 years experience

Physical Demands

Most of the time is spent standing, with some time sitting and walking.  Must be able to use hands to finger, handle and feel parts.  Should be able to reach, stoop, kneel, crouch or crawl.  May need close vision and attention to detail.  May need to lift, push or pull up to 50 lbs., occasionally 75 lbs. or with assistance over 75 lbs.

Work Environment

The majority of time is spent in the machine shop working near moving parts with loud noise exposure. Some exposure to fumes or airborne particles and toxic or caustic chemicals.

If interested, please fill out an application and attach a resume
Equal Opportunity Employer