Cnc Mill Machinist

Aerotek; Wheeling (IL); On-site; USD 34,000 - 44,000; Full time

Job summary

Aerotek is hiring a CNC Mill Machinist in Wheeling, IL. The role involves setting up, operating, and programming CNC milling machines to produce precision components across industries. You will read blueprints, edit G and M codes, and ensure parts meet tight tolerances while maintaining safety and productivity.

Two shifts available, on-site work. Ideal candidates have extensive CNC milling experience, ability to run multiple machines, perform changeovers, and conduct basic maintenance.

Qualifications

• Extensive experience setting up and operating CNC mill machines.
• Proficient in full CNC mill setups including tooling, workholding, and offsets.
• Experience writing and editing CNC programs using G and M codes.
• Ability to read blueprints and setup sheets.

Responsibilities

• Set up and operate CNC milling machines and run multiple machines as needed.
• Write and edit CNC programs to meet tolerance and performance requirements.
• Read and interpret engineering drawings to ensure correct features are machined.
• Inspect parts during production to verify conformance to tolerances.
• Perform preventative maintenance on CNC equipment to ensure reliability.

Skills

CNC mill setup

Blueprint reading

G & M code programming

Calipers / micrometers

Quality tolerance control

Tool offsets / alignment

Multi-machine operation

Troubleshooting CNC programs

Preventive maintenance

Tools

DMG Mori

Mazak Integrex

Multiplex

Okuma

Mori Seiki horizontal mills

Job description

Job Title: CNC Mill Machinist - $25-32/hr - 1st and 2nd shift OPEN

1st shift: 5 or 6am to 3:30pm

2nd shift: 3:30pm-2am

Job Description

This role involves setting up, operating, and adjusting a variety of conventional and automatic CNC milling machines to produce precision components for high-performance automation, workholding, and motion control solutions. The CNC Mill Machinist works from engineering drawings and written instructions to create parts that meet tight tolerance requirements while maintaining a strong focus on safety, quality, and productivity across multiple industries, including automotive, life sciences, consumer goods, packaging, aerospace, and nuclear.

Responsibilities

• Operate all assigned machinery safely and consistently follow all established safety policies and procedures.
• Work from engineering drawings, blueprints, setup sheets, and written instructions to create precision parts.
• Set up and operate CNC milling machines, performing diversified and complex machining operations, including running one or more machines simultaneously as required.
• Write and edit CNC programs, including G and M codes, to meet overall part tolerance and performance requirements.
• Apply basic knowledge of metals and machining measurements to support technical decisions and provide guidance to less experienced machinists.
• Understand all aspects of machine operation, including every switch and button, and run multiple CNC machines in the department proficiently.
• Perform changeovers without assistance and demonstrate a strong understanding of CNC machine logic.
• Write basic CNC programs and post-edit existing programs to fine-tune processes for optimal performance and accuracy.
• Read CNC programs, identify errors, and troubleshoot issues to ensure parts meet specifications.
• Set up jobs independently, run production jobs, and inspect parts throughout the process to verify conformance to tolerances.
• Perform all external setup tasks for upcoming jobs while current machines are running to maximize uptime and efficiency.
• Use basic math and problem-solving skills to resolve machining and dimensional issues.
• Read and interpret prints to recognize specifications for all machined surfaces and features.
• Determine operational sequences, select appropriate tools, spindle speeds, feed rates, and workholding methods based on materials and part design.
• Inspect workpieces at the beginning and throughout the production run to ensure parts remain within tolerance.
• Monitor cutting tools, understand when tools are worn, and replace tooling as appropriate to maintain quality and productivity.
• Use micrometers, calipers, gauges, indicators, and other precision measuring tools effectively to verify dimensional accuracy.
• Understand and verify tolerances for machined surfaces and ensure parts meet print requirements.
• Establish proper tool offsets and make necessary adjustments to maintain part quality and consistency.
• Perform preventative maintenance on assigned equipment as needed to ensure reliable machine performance.
• Communicate with supervision regarding conduct or practices that may violate rules, policies, or procedures.
• Perform other related duties as assigned to support production and continuous improvement.

Essential Skills

• 35 years of experience setting up and operating CNC mill machines.
• Proficiency in performing full CNC mill setups, including tooling, workholding, and offsets.
• Experience writing and editing CNC programs using G and M codes.
• Ability to read and interpret blueprints, engineering drawings, and setup sheets.
• Ability to use precision measuring devices such as micrometers, calipers, gauges, and indicators.
• Strong understanding of machining processes, metal properties, and measurement concepts.
• Ability to recognize and maintain tight tolerances on machined components.
• Capability to run multiple CNC milling machines simultaneously while maintaining quality.
• Competence in troubleshooting CNC programs and machining issues.
• Solid basic math skills and problem-solving abilities relevant to machining.
• Ability to perform preventative maintenance tasks on CNC equipment.
• Comfort working with CNC mill centers such as DMG Mori, Mazak Integrex and Multiplex, and Okuma (as applicable to production).

Additional Skills & Qualifications

• Experience performing setups on Mori Seiki horizontal mills.
• Ability to read and work from Mastercam-generated prints or documentation.
• Experience with high-precision, tight-tolerance production environments.
• Familiarity with a variety of CNC mill centers and multi-axis equipment.
• Demonstrated ability to assist in training and mentoring less experienced machinists.

Why Work Here?

You will join a long-established, globally recognized organization with a legacy of engineering excellence and a comprehensive portfolio of motion control and automation products. The company offers competitive compensation, full benefits starting on day one, and a robust health and wellness program, including disability coverage and employee assistance resources. You can take advantage of 401(k) contributions with a 3% company match, financial planning support, paid vacation, and holidays to support your long-term stability and work-life balance. The organizations average tenure of 35 years reflects a strong culture of loyalty, professional growth, and long-term career opportunities in a supportive and stable environment.

Work Environment

The facility is climate controlled, organized, and clean throughout, providing a comfortable and professional manufacturing environment. CNC mill centers in use include DMG Mori, Mazak Integrex and Multiplex, and Okuma equipment, supporting advanced machining operations and precision production. The role operates on two primary shifts: a first shift typically running from approximately 5:00/6:00 a.m. to 3:30/4:30 p.m., Monday through Thursday, with overtime available on Fridays, and a second shift from 3:30 p.m. to 2:00 a.m., Monday through Thursday, also with Friday overtime as needed. The environment emphasizes safety, organization, and the use of modern precision measuring tools, with a focus on maintaining reliable equipment and efficient workflows.

Job Type & Location

This is a Permanent position based out of Wheeling, IL.

Pay and Benefits

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 jobclassification and length of employment. Benefits are subject to change and may besubject to specific elections, plan, or program terms. If eligible, the benefitsavailable 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 Permanent position based out of Wheeling, IL.

Application Deadline

This position is anticipated to close on Nov 25, 2026.

Workplace Type

This is a fully onsite position in Wheeling,IL.

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.