CNC Machinist

Job Title: CNC Machinist Mold Manufacturing
Job Description
This role focuses on programming, setting up, and operating CNC mills and lathes to produce high-precision molds in a clean, climate-controlled shop. You will work with small production runs where each part must meet extremely tight tolerances, using your CNC machining and mold experience to deliver consistent, high-quality results.
Responsibilities

• Program, set up, and operate CNC machines, including mills and lathes, to produce precision molds.
• Read and interpret 3D CAD models, blueprints, and technical data to determine machining requirements and optimal processes.
• Set up machines using appropriate fixtures, clamps, and overhead cranes for larger components to ensure safe and accurate machining.
• Inspect machined parts using precision measuring tools to verify dimensions and adherence to tight tolerances, down to .001 of an inch.
• Perform CNC program editing as needed to refine machining operations and improve accuracy and efficiency.
• Work on small production runs, typically 18 parts, ensuring each part is produced correctly the first time.
• Focus on mold machining applications, applying specialized knowledge to meet exacting mold specifications.
• Handle medium-sized parts and occasionally large components, particularly on third shift, using proper setup and handling techniques.
• Maintain a clean and organized work area and follow shop procedures to support a safe and efficient work environment.

Essential Skills

• Minimum of 3 years of experience in CNC machining.
• Hands-on experience programming and setting up CNC mills and lathes, including program editing.
• Ability to read and interpret 3D CAD models, blueprints, and technical data.
• Strong experience in machining precision molds.
• Proficiency with precision measuring tools and inspection methods to verify tight tolerances to .001 of an inch.
• Experience working with small-run production (typically 18 parts) where accuracy and repeatability are critical.
• Capability to safely use fixtures, clamps, and overhead cranes for larger components.
• Solid understanding of CNC machining processes and best practices for mold manufacturing.

Additional Skills & Qualifications

• Experience on both first and third shifts in a machining environment.
• Comfort working primarily with medium-sized parts and occasionally large parts.
• Attention to detail and a strong commitment to quality in every part produced.
• Ability to thrive in a smaller, close-knit team environment.
• Strong problem-solving skills and the ability to make precise adjustments to CNC programs and setups.

Why Work Here?
You will join a family-owned operation with a smaller, close-knit crew where your contributions are visible and valued. The environment emphasizes quality over volume, offering the satisfaction of craftsmanship in precision work.
Work Environment
The shop is climate controlled, well lit, and kept clean to support high-precision mold machining. Work is focused on small runs of 18 parts, with an emphasis on accuracy and tight tolerances.
Job Type & Location
This is a Permanent position based out of Hartford, WI.
Pay and Benefits
The pay range for this position is $85000.00 - $115000.00/yr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
We offer generous compensation and benefits to our employees because we know that theyre the root of our success. In addition to awesome benefits and career development opportunities, youll get to work with an amazing group of down-to-earth people who love taking on new challenges every day and who push CDM toward success.Low-Cost Health, Dental & Vision InsuranceHSA (Health Savings Account)Flexible Start TimePaid VacationPaid Holidays401(K) Retirement SavingsCompany-Paid Life & Short-Term Disability InsurancePersonal Protective Equipment (PPE) Reimbursements3rd Shift Employees earn a 15% Pay Premium
Workplace Type
This is a fully onsite position in Hartford,WI.
Application Deadline
This position is anticipated to close on Oct 23, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.


Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.


The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.