2nd Shift CNC Machinist

Dielectric Corp.; Town of Richfield (WI); On-site; USD 52,000 - 76,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Paid Holidays

Vacation

401(K) with Employer match up to 4%

Job summary

Dielectric Corp. in Richfield, WI is seeking a skilled CNC Mill Machinist to produce precision plastic components in a high-mix, low-volume environment.

The role involves setup and operation of CNC mills, frequent changeovers, and close collaboration with programming to ensure tight tolerances and quality. The 2nd shift runs 2 pm–10:30 pm with competitive benefits.

Qualifications

• Minimum of 5 years of CNC milling experience in plastics, with good understanding of materials and chip control.
• Ability to read blueprints, tolerances, and GD&T symbols.
• Experience with 3-axis and 5-axis milling machines.
• Proven ability to set up and run short-run or prototype work independently.
• Collaborate with programming to troubleshoot machining issues related to plastic properties.

Responsibilities

• Setup, program, and operate CNC milling machines to produce precision plastic components per print and job specs.
• Perform frequent machine changeovers efficiently due to the low-volume nature of the work.
• Make adjustments to cutting tools, speeds, and feeds.
• Use precision measuring tools to inspect parts and ensure tight tolerances are met.
• Maintain detailed setup sheets, program files, and inspection records for repeatability.
• Support continuous improvement initiatives in machining processes, tooling, and fixture design.

Skills

CNC milling

Blueprint reading

GD&T knowledge

Tooling selection

Tools

Haas

Brother

Doosan

Job description

Job Details

Job Location: RF DIELECTRIC - Richfield, WI 53076

Job Shift: 2nd Shift

Job Title: CNC Machinist

Department: Milling Department

Reports To: Plant Manager

FLSA Status: Non-Exempt

Location: Richfield, WI

Job Summary

We are seeking a skilled CNC Mill Machinist with experience machining plastic components in a high-mix, low-volume production environment. This role involves frequent setups and operation of CNC milling machines to produce precision parts from a variety of plastic materials. The ideal candidate thrives on variety, has strong technical aptitude, and takes pride in delivering high-quality, one-off and short-run parts.

Essential Functions

• Setup, program, and operate CNC milling machines to produce precision plastic components per print and job specs.
• Perform frequent machine changeovers efficiently due to the low-volume nature of the work.
• Make adjustments to cutting tools, speeds, and feeds.
• Use precision measuring tools (calipers, micrometers, height gauges, etc.) to inspect parts and ensure tight tolerances are met.
• Work with Programming to troubleshoot machining issues related to plastic properties, such as melting, warping, or surface finish defects.
• Maintain detailed setup sheets, program files, and inspection records for repeatability.
• Support continuous improvement initiatives in machining processes, tooling, and fixture design.
• Perform routine machine maintenance and cleanliness to ensure equipment reliability.

Qualifications

• Minimum of 5 years of CNC milling experience, preferably in a job shop or plastic machining environment.
• Deep understanding of machining plastics—including material behavior, fixturing considerations, and chip control.
• Ability to work independently on short-run or prototype work with minimal supervision.
• Solid knowledge of cutting tool selection and tool life optimization.
• Ability to read and interpret blueprints, tolerances, and GD&T symbols.
• Experience with 3-axis and 5-axis milling machines (e.g., Haas, Brother, Doosan or similar).
• Familiar with machining tight tolerance plastic parts.
• Comfortable assisting with fixture design and setup optimization.
• Prior experience in a regulated or quality-driven environment (e.g., ISO 9001).

Work Environment

• Exposure to loud noise, moving mechanical parts, and varying temperatures.
• Personal protective equipment (PPE) required.
• Hands-on role requiring standing, manual dexterity, and occasional lifting of materials or fixturing.
• Ability to stand for extended periods.
• Ability to lift up to 40 lbs repetitively.
• Strong emphasis on quality, safety, and craftsmanship.
• This position may involve exposure to, but is not limited to, the following materials: acrylic, polycarbonate, FR-4 epoxy glass, GPO (I, II, III) polyester glass, HDPE (high-density polyethylene), glass epoxy, G9 glass melamine laminate, copper, brass, and aluminum.

Schedule

2nd Shift – 2 pm to 10:30 pm

Compensation and Benefits

Competitive hourly wage/salary based on experience.

• Medical Insurance
• Dental Insurance
• Vision Insurance
• Life Insurance
• Disability Insurance
• Paid Holidays
• Vacation
• 401(K) with Employer match up to 4%

Dielectric is a plastics and metals contract manufacturer specializing in thermosets and thermoplastics, delivering world class service using our family values. Our company values guide all that we do… Open to Change | Passion | Get ‘r Done| Respect | Responsible & Accountable | Accept the Challenge.

Dielectric Manufacturing provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.