CNC Machine Operator

STEEL TOOL & ENGINEERING CO.; Trenton (MI); On-site; USD 26,000 - 33,000; Full time

Benefits offered by this job

Vacation time

Medical insurance

Dental & Vision Insurance

Life Insurance

401K

Paid holidays

Paid vacations

Job summary

Steel Tool & Engineering Co. in Trenton, MI, is seeking a skilled CNC Machinist to set up, program, and operate CNC lathes, mills, and 5-axis centers for aerospace components.

You will apply Mastercam programming, read complex blueprints with GD&T, and ensure tight tolerances while maintaining a safe, efficient shop floor. This position offers competitive pay and shift options with a night-premium noted.

Qualifications

• CNC setup, operation and adjustments proficiency.
• Mastercam programming and G-code knowledge.
• Read complex blueprints with GD&T understanding.
• Accurate use of micrometers, calipers, height gauges, and bore gauges.
• Experience with aerospace-grade materials and sheet metal.
• Strong mechanical aptitude, problem solving, and teamwork.
• Ability to lift up to 50 lbs and stand for extended periods.
• Commitment to safety, quality, and continuous improvement.

Responsibilities

• Set up and operate CNC Horizontal Lathes, VTLs, Mills, and 5-axis centers.
• Program and edit CNC programs using Mastercam
• Load materials, configure machine parameters, and execute machining operations according to specifications.
• Identify non-conforming parts and perform corrective actions.
• Analyze results from coordinate measuring machines (CMM) and apply proper tool wear offsets at the controller.
• Fabricate custom tooling, fixtures, and chuck jaws as needed for specific jobs.
• Read and interpret complex blueprints, GD&T, and technical drawings.
• Maintain tight tolerances and ensure all parts meet aerospace quality standards.
• Troubleshoot machining issues, tool wear, and program errors.
• Perform routine machine maintenance and keep work area clean and organized.
• Collaborate effectively with supervisors and support other operators when needed.
• Meet productivity, quality, and safety expectations.
• Maintain excellent attendance and reliability.

Skills

CNC setup

CNC operation

Mastercam

G-code programming

Blueprint reading

Precision measurement

Quality inspection

Maintenance

Education

High School Diploma or GED

Tools

CMM

GD&T

Job description

• Full-Time: **Hourly

• Location: **Trenton, MI and Taylor, MI
• Company: **Steel Tool & Engineering Co. Industry: Aerospace Precision Machining & Fabrication
• Full-Time: **Hourly

Shift:

6 am- 4:30 pm, 12 pm- 10:30 pm, 3:30 pm- 2 am ($1.00 Prem for Night Shift)

Pay Rate:

$19.25-$24.00 based off experience.

About Us

Steel Tool & Engineering is a leading aerospace manufacturer specializing in precision machining, complex metal fabrication, and welded assemblies. As an AS9100‑certified and NADCAP‑accredited facility, we are committed to delivering exceptional quality, reliability, and compliance across all operations.

Overview

The CNC Machinist is responsible for setting up, programming, and operating CNC lathes, mills, and 5‑axis machining centers to produce precision aerospace components. This role requires strong technical ability in CNC operation, Mastercam programming, blueprint interpretation, precision measurement, and troubleshooting. The machinist will ensure all parts meet strict quality and tolerance requirements while maintaining a safe and efficient work environment.

Responsibilities

• Set up and operate CNC Horizontal Lathes, Vertical Turning Lathes (VTL), Mills, and 5‑Axis machining centers.
• Program and edit CNC programs using Mastercam
• Load materials, configure machine parameters, and execute machining operations according to specifications.
• Identify non‑conforming parts and perform corrective actions.
• Analyze results from coordinate measuring machines (CMM) and apply proper tool wear offsets at the controller.
• Fabricate custom tooling, fixtures, and chuck jaws as needed for specific jobs.
• Read and interpret complex blueprints, GD&T, and technical drawings.
• Maintain tight tolerances and ensure all parts meet aerospace quality standards.
• Troubleshoot machining issues, tool wear, and program errors.
• Perform routine machine maintenance and keep work area clean and organized.
• Collaborate effectively with supervisors and support other operators when needed.
• Meet productivity, quality, and safety expectations.
• Maintain excellent attendance and reliability.

Qualifications

• Proficiency in CNC machine setup, operation, and adjustments.
• Experience with
• Mastercam
• programming.
• Strong understanding of G‑code and CNC program editing.
• Ability to use precision measurement tools including micrometers, calipers, height gauges, and bore gauges.
• Knowledge of machining aerospace‑grade materials and sheet metal components.
• Strong mechanical aptitude and problem‑solving skills.
• Ability to lift up to 50 lbs and stand for extended periods.
• Effective communication skills and ability to mentor junior operators.
• Commitment to safety, quality, and continuous improvement.

Benefits

• Honored Vacation Time Off
• 100% Medical Paid (If you already have medical coverage and don’t request STE medical insurance, you can receive the medical waiver of $300 per month.)
• Dental and Vision Insurance (Includes Dependents)
• Life Insurance
• 401K
• Paid Holidays
• Paid Vacations

You Should Be Proficient In

• Equipment Troubleshooting
• Troubleshooting Skills
• Mechanical Troubleshooting Skills
• Mechanical Assembly Skills
• Machine Setups for Production Runs
• Manual Machining Skills
• Meets Physical Requirements
• High School / GED
• Excellent Communication Skills
• Experience in a Manufacturing Environment
• Basic Computer Skills
• calipers
• Micrometers

Machines & Technologies You’ll Use

• CNC Mill (3-4 axis VMC)
• CNC Lathe (2-4 axis)
• CNC Mill (5+ axis VMC)
• CNC Lathe (5+ axis)