CNC Mill Operator

Posting Date: July 25, 2017
Closing Date: Open

Department: Mill
Classification: Full time, Non-exempt
Reports to: Mill Supervisor
Direct Reports: None


The CNC Mill Operator is responsible for set-up, run, tear down 3, 4, and 5 axis CNC Mills to fabricate aerospace parts per engineering specifications without supervision.

Essential Duties and Responsibilities:

  • Can demonstrate ability to set-up, run, tear down 3, 4, and 5 axis CNC Mills and dimensionally maintain quality in a production environment.
  • Good Inspection Skills and Blueprint reading skills with ability to use all shop inspection tools.
  • Basic Troubleshooting skills and must be able to recognize production problems such as out-of-tolerance machining, poor finishes, damaged or worn cutters, and tooling.
  • Ability to dial in a hole or Edge-Find and set Machine Offsets.
  • Basic understanding of G & M code.
  • Versatility across multiple machine centers is a plus.
  • Meets job standard times with minimal supervision.
  • Follows all safety guidelines established by the Company, including proper use of safety equipment and relevant safety procedures.
  • Follow schedule set by supervisor
  • Observe machine during operation
  • Other duties as assigned


  • In order to comply with U.S. government regulations applicable to this position, all applicants must be either a U.S. citizen, lawful permanent resident of the U.S., as defined in 8 U.S.C. 1101(a)(20) or a “protected individual”, as defined by 8 U.S.C. 1324b(a)(3).

  • Must be able to pass a background check and drug screening.

Education and Experience:

3+ years experience on CNC Mills

Preferred, but not required:
Experience in aerospace industry

Computer Skills:

Proficient with Microsoft Office Suite (Excel, Word, PowerPoint)

Other Skills and Abilities:

  • Proven ability to consistently run good parts that meet production standards.
  • Able to read blue prints
  • Excellent attention to detail
  • Language Skills: Ability to read, write, analyze, and interpret work instructions, drawing and procedure manuals in English.
  • Ability to effectively present information and respond to questions in English.
  • Mathematical Skills: Strong Geometry knowledge is foundational. Must also be able to convert metric to inch and do decimal to fraction conversions. Must be impeccable with decimal placement.
  • Reasoning Ability: Ability to solve practical. Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form.

Work Environment:

The CNC Mill Operator works in the machine shop environment throughout the workday; this environment may include exposure to noise, dust, fumes, vapor from coolant, etc. Possible skin and inhaled contact with various sealants, paints, adhesives, and other chemicals may occur, as well as possible skin and inhaled contact with chemicals used to run CNC machines or clean manufactured parts, including solvents and acetone. Industry standard safety equipment is provided by the Company, and specific notice is posted in areas where safety equipment is required.

Physical Demands:

The physical effort applied in this job includes:

  • Lifting
  • Pulling
  • Reaching
  • Manipulating
  • Carrying
  • Pushing
  • Writing
  • Keying/typing

Amount of Effort/% of time effort is applied

Less than 1lbs – Less than 15%
Between 1 and 5lbs – 40% – 70%
Between 5 and 25lbs – 15% – 40%
Between 25 and 60lbs – Less than 15%
More than 60lbs – Less than 15%

The effort reflected above is typically applied in the following work positions:

  • Sitting
  • Standing
  • Walking
  • Normal
  • Comfortable

Mental or Visual Demand:

This position does require concentrated mental and visual attention to maintain accuracy of work.

How to Apply:

Completed applications may be submitted via email to, via mail, or delivered directly to the office during business hours. May submit by mail to 11504 Airport Rd Bldg G, Everett, WA 98204. Onamac is an Equal Employment Opportunity / Affirmative Action / Disability / Veterans Employer.