CNC Mill Machinist


Under the direct supervision of the Machine Shop Supervisor, the Machinist will set up and operate conventional, special purpose, and numerical control (NC) machines and machining centers to fabricate metallic and non-metallic parts.


Studies blueprints, sketches, drawings, manuals, specifications, or sample part to determine dimensions and tolerances of finished work piece, sequence of operations and setup requirements.
Measurers, marks, and scribes dimensions and reference points on material or work piece as guides for subsequent machining.
Selects, aligns, and secures holding fixtures, cutting tools, attachments, accessories, and work parts on machines such as mills, lathes, jog borers, grinders and shapers to ensure proper tolerances.
Calculates and sets controls to regulate machining factors such as speed, feed, coolant flow, and depth and angle of cut, or enters commands to retrieve, input or edit computerized machine control media.
Starts and observes machine operation to detect malfunctions or out-of-tolerance machining, and adjusts machine controls or control media as required.
Verifies accuracy of gauges and measuring instruments, such as micrometers, fixed gauges, and Plastometer using master gauges or master parts.
Verifies conformance of finished work piece to specifications, using instruments such as micrometers, gauges and Profilometer.
May set up and operate machine on trial run to verify accuracy of machine settings or programmed control data.
Assembles and disassembles equipment or products as required.
Verifies dimensions and alignment of assembly.
Operates bench grinder to sharpen tools.
Operates overhead and jib cranes as needed.
May develop specifications from general description and draws sketch of part or product to be fabricated.

Confers with engineers, production personnel, programmers or others to resolve machining or assembly problems.
Move materials when necessary as required, by whatever means is appropriate.
Provide verbal instructions when requested, or as needed.
Comply with all work rules, including those that pertain to safety and health.
Perform other related duties as may be reasonably assigned in the course of business.


Perform other related duties as may be reasonably assigned in the course of business.


High School diploma or equivalent and two to four years related machinist experience and/or training. Completion of Apprentice Machinist program preferred.
Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals.
Ability to write routine correspondence, and give verbal instruction.
Ability to calculate figures and amounts such as proportions, percentages, area circumference, and volume. Ability to apply concepts of basic algebra and geometry.
Ability to operate overhead and jib cranes.


While performing the duties of this job, the employee is regularly required to stand. The employee frequently is required to use hands to finger, handle or feel objects, tools or controls; reach with hands and arms. The employee is occasionally required to walk; sit; and stoop, kneel, crouch, crawl or climb ladders. The employee must regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision, color vision, depth perception and the ability to adjust focus. While performing the duties of this job, the employee frequently works near moving mechanical parts. The noise level in the work environment is usually loud.

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

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