Cnc Mill Machinist

Job Description

Job Description

Job Title: CNC Mill Machinist

Job Description

This role focuses on setting up, operating, and adjusting CNC milling machines to produce precision components for a wide range of industries. You will work from detailed drawings and written instructions to create complex parts, perform full machine setups, and ensure all work meets strict tolerance and quality requirements. The position offers the opportunity to work with advanced CNC equipment in a clean, climate-controlled environment on either 1st or 2nd shift.

Responsibilities

• Operate all machinery safely and follow all established safety policies and procedures, maintaining safety as the top priority.
• Work from engineering drawings, blueprints, and written instructions to create precision machined parts.
• Set up and operate CNC milling machines, performing diversified and complex operations and running one or more machines simultaneously as required.
• Write, edit, and post-edit CNC programs using G and M codes to achieve overall part tolerance requirements and optimize performance.
• Handle machine changeovers independently, including understanding CNC machine logic and troubleshooting programs to resolve errors.
• Set up jobs, run production, and inspect parts to ensure they meet dimensional and tolerance specifications.
• Perform all external setup tasks for upcoming jobs while the machine is running to maximize efficiency and minimize downtime.
• Select appropriate tools, spindle speeds, feed rates, and workholding methods based on material type and print specifications.
• Read and interpret prints to recognize specifications for various surfaces being machined and determine operational sequences.
• Use precision measuring tools such as micrometers, calipers, gauges, and indicators to inspect workpieces at the beginning and throughout production runs.
• Monitor cutting tools during production, understand when tools are worn, and replace tooling as appropriate to maintain quality and productivity.
• Establish proper tool offsets and make necessary adjustments to maintain part accuracy and consistency.
• Verify tolerances for machined surfaces and ensure all parts conform to print and quality standards.
• Perform basic math and apply problem-solving skills to address machining and dimensional issues.
• Conduct preventative maintenance as needed on assigned equipment to ensure reliable machine performance.
• Provide technical leadership within the department and assist in training less experienced machinists when needed.
• Advise supervision of conduct or conditions that may violate rules, policies, or procedures.
• Carry out other machining-related duties as assigned to support production and departmental goals.

Essential Skills

• 35 years of experience setting up and operating CNC mill machines.
• Proficiency in performing full CNC mill setups, including workholding, tooling, offsets, and program verification.
• Ability to write, edit, and post-edit CNC programs using G and M codes to meet tolerance and performance requirements.
• Strong ability to read and interpret blueprints and setup sheets to determine machining operations and specifications.
• Hands-on experience operating CNC milling machines in a production environment.
• Ability to use precision measuring devices such as micrometers, calipers, gauges, and indicators for in-process and final inspection.
• Basic knowledge of various metals and measurements used in machining processes.
• Understanding of CNC machine logic, including the function of machine switches and buttons, and the ability to run multiple machines simultaneously.
• Capability to recognize worn cutting tools and replace tooling appropriately.
• Competence in establishing tool offsets and making dimensional adjustments at the machine control.
• Ability to read prints and understand tolerances for machined surfaces.
• Basic math skills and problem-solving abilities relevant to machining and dimensional troubleshooting.
• Commitment to following safety policies and procedures while operating machinery.

Additional Skills & Qualifications

• Experience performing setups on Mori Seiki horizontal mills is highly desirable.
• Experience in machining for automotive or aerospace sectors is preferred.
• Ability to read and work from Mastercam-generated prints.
• Experience with CNC mill centers such as DMG Mori, Mazak Integrex and Multiplex, and Okuma machines.
• Ability to provide technical guidance and assist in training less experienced machinists.
• Comfort working in environments focused on motion control, automation, and high-performance manufacturing solutions.

Why Work Here?

You will join a long-established, globally recognized manufacturer with a strong legacy in high-performance automation and motion control solutions. The organization offers competitive compensation, full benefits starting on day one, health and wellness programs, disability coverage, and a 401(k) with a 3% company match. Employees benefit from financial planning support, paid vacation and holidays, and access to employee assistance programs. The companys culture emphasizes stability and long-term career growth, reflected in an impressive average employee tenure of 35 years, and supports work-life balance through structured shifts and comprehensive benefits.

Work Environment

The facility is clean, organized, and climate controlled, providing a comfortable and professional work setting. You will work on advanced CNC mill centers, including DMG Mori, Mazak Integrex and Multiplex, and Okuma equipment, within a production environment that supports automotive, aerospace, life sciences, consumer goods, packaging, and nuclear sectors. Shifts are structured as 1st shift (approximately 5:00/6:00 a.m. to 3:30/4:30 p.m., Monday through Thursday, with Friday overtime) and 2nd shift (approximately 3:30 p.m. to 2:00 a.m., Monday through Thursday, with Friday overtime), offering clear scheduling and predictable hours. The environment promotes adherence to safety standards and efficient workflows, with a focus on precision, uptime, and high-quality manufacturing.

This is a Contract to Hire position based out of Wheeling, IL.

The pay range for this position is $25.00 - $32.00/hr.

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.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)

This is a Contract to Hire position based out of Wheeling, IL.

This position is anticipated to close on Nov 26, 2026.

This is a fully onsite position in Wheeling,IL.

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.