Mill Machinist

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Job Title: Mill Machinist CNC Horizontal Boring Mill Operator
Job Description
This role focuses on setting up, operating, and performing program edits on large CNC milling and lathe machines in a job shop environment. The position supports both 1st shift (7:00 a.m. 3:30 p.m.) and 2nd shift (3:30 p.m. 12:00 a.m.), with comprehensive training provided on 1st shift for the first 23 months. You will work on complex, low-volume parts that require precise tolerances, advanced G&M code edits, and the ability to read and interpret detailed blueprints.
Responsibilities

• Set up and operate CNC horizontal boring mills, including TC-30 machines with Fagor controls.
• Set up and operate various CNC machines, including both milling and lathe equipment, in a job shop environment.
• Perform tooling changes on CNC machines as needed during each shift.
• Operate very large CNC machines to produce complex parts, focusing on one-off or low-volume work rather than high-volume production.
• Run parts with varying cycle times, including long run times of up to 68 hours or more for a single part.
• Read and interpret blueprints to determine machining operations, dimensions, and tolerances.
• Use precision measuring tools such as micrometers, calipers, and gauges to verify part dimensions.
• Machine parts to tight tolerances of +/- 0.001 inch and verify compliance throughout the machining process.
• Work with G&M codes to edit and adjust CNC programs directly at the machine.
• Utilize MasterCAM and Solidworks to support program edits and machining operations as needed.
• Operate machines with Fanuc and Fagor controls and make necessary program and offset adjustments.
• Use manual machines and grinders when required to complete or refine machining operations.
• Handle and move materials and parts, including lifting items up to 50 pounds safely.
• Maintain a clean and organized work area and follow all shop safety procedures.

Essential Skills

• 68 years of CNC machining experience in a machining environment.
• Proven experience setting up CNC machines, including establishing work offsets, tool offsets, and fixturing.
• Hands-on experience performing tooling changes on CNC mills and lathes.
• Ability to complete program edits using G&M codes directly at the machine control.
• Proficiency in reading and interpreting detailed blueprints and engineering drawings.
• Skilled in using precision measuring instruments such as micrometers, calipers, and gauges.
• Experience working in a job shop environment, focusing on low-volume or one-off parts rather than high-volume production.
• Demonstrated ability to machine parts to tight tolerances of +/- 0.001 inch.
• Experience operating CNC equipment with Fanuc and/or Fagor controls.
• Ability to lift and safely handle up to 50 pounds as part of daily duties.

Additional Skills & Qualifications

• Experience operating both CNC milling and CNC lathe machines.
• in horizontal boring mill operations.
• Familiarity with TC-30 machines, particularly those equipped with Fagor controls.
• Experience working with MasterCAM for programming or program support.
• Experience working with Solidworks to interpret models and support machining operations.
• Comfort using manual machines and grinders to supplement CNC work.
• Strong attention to detail and commitment to quality in a precision machining environment.
• Ability to work independently and manage long machining cycles effectively.

Why Work Here?
The company offers strong opportunities for growth, with a culture that actively promotes from within and supports long-term career development. Team members can take advantage of abundant overtime opportunities and have the flexibility to work as many extra hours as they choose, subject to operational needs. A comprehensive benefits package, including retirement savings options such as a 401(k), supports employees financial well-being and long-term security.
Work Environment
The role is based in a machine shop, job shop environment with very large CNC equipment and a focus on complex, low-volume parts. The facility is not climate controlled, so temperatures will vary with the seasons. You will work on both 1st shift (7:00 a.m. 3:30 p.m.) and 2nd shift (3:30 p.m. 12:00 a.m.), starting with 23 months of training on 1st shift. The environment involves regular use of CNC mills, lathes, horizontal boring mills, and manual machines, along with controls such as Fanuc and Fagor. Standard industrial shop attire and appropriate personal protective equipment are required to ensure safety around heavy machinery and moving equipment.
Job Type & Location
This is a Contract to Hire position based out of Cincinnati, OH.
Pay and Benefits
The pay range for this position is $30.00 - $40.00/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)
Job Type & Location
This is a Contract to Hire position based out of Cincinnati, OH.
Application Deadline
This position is anticipated to close on Oct 31, 2026.
Workplace Type
This is a fully onsite position in Cincinnati,OH.

About Aerotek

Aerotek\u00AE 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.