Top 276 Machine operator Jobs in Affton, Mo

5-Axis CNC Mill Machinist
R&S Machining, LLC —St. Louis, MO
- $30 - $36 an hour
- Full-time
- Background check
- Mid-level
- 3 years
- Profit sharing
- Health savings account
Quick Apply
CNC Machinist / Programmer 1st and 2nd Shift
Machine Technology, Inc —Fenton, MO
- $22 - $30 an hour
- Full-time
- ERP systems
- High school diploma or GED
- Data entry
- Health savings account
- Health insurance
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4th Shift Machine Operator - Weekend Days
The H-J Family of Companies —High Ridge, MO
- $23 - $26 an hour
- 12 hour shift
- 18 years or older
- Computer literacy
- High school diploma or GED
- Profit sharing
- Paid holidays
Press Support - 2nd Shift
The H-J Family of Companies —High Ridge, MO
- 8 hour shift
- Computer literacy
- High school diploma or GED
- Ability to lift 50 pounds
- Profit sharing
- Paid holidays
Manual Mill & Lathe Machinist
Carr Lane Manufacturing Co —St. Louis, MO
- $21 - $24 an hour
- Full-time
- Hybrid work
- No high school diploma
- Mid-level
- High school diploma or GED
- Profit sharing
- Paid holidays
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Operator
koller craft —Fenton, MO
- $17.25 - $19.25 an hour
- Full-time
- Computer literacy
- Data entry
- Manufacturing
- Paid holidays
- Health insurance
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Machine Operator - Entry Level
Wilson Manufacturing Company —St. Louis, MO
- $17 - $22 an hour
- Multiple hires
- In person
- Computer literacy
- Basic math
- No experience needed
- Health insurance
- Dental insurance
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Journeyman CNC Machinist
Vandeventer Machine Works —St. Louis, MO
- $35 - $42 an hour
- Full-time
- 5 years
- In-person
- Senior level
- Health savings account
- Paid holidays
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Union Machine Operator
Semco —St. Louis, MO
- $16.25 - $18.25 an hour
- 8 hour shift
- Ability to lift 50 pounds
- Manufacturing
- No travel
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CNC Machinist - 2nd or 3rd Shift
Weir Group —St. Louis, MO
- $27 - $36 an hour
- Full-time
- Background check
- Mid-level
- High school diploma or GED
- Paid holidays
- Relocation assistance
Quick Apply
Production Associate - 1st Shift
Ruger Precision Metals, LLC —Earth City, MO
- Overtime
- 18 years or older
- Pass drug screening
- High school diploma or GED
- Profit sharing
- Paid holidays
Production Associate - 2nd Shift
Ruger Precision Metals, LLC —Earth City, MO
- Overtime
- 18 years or older
- Pass drug screening
- High school diploma or GED
- Profit sharing
- Paid holidays
Production Associate - 2nd Shift
Ruger Precision Metals, LLC —Earth City, MO
- Overtime
- 18 years or older
- Pass drug screening
- High school diploma or GED
- Profit sharing
- Paid holidays
CNC Operator/Setup Machinist | St. Louis, MO
Express Employment Professionals —St. Louis, MO
- $20 - $32 an hour
- Full-time
- Mid-level
Quick Apply
Machine Set Up Operator I
MW Components —Fenton, MO
- Overtime
- Ability to lift 50 pounds
- Communication skills
- Entry level
- Paid holidays
- Health insurance
Quick Apply
Machinist
Sunnen Products Company —St. Louis, MO
- Full-time
- Mid-level
- Health savings account
- AD&D insurance
Quick Apply
Assistant Operator - Press
ProAmpac —Granite City, IL
- Entry level
Quick Apply
Painter: Afternoon / 2nd Shift (Premium Available)
Seiler Instrument & MFG Co Inc —Kirkwood, MO
- Monday to Friday
- Inventory control
- High school diploma or GED
- Assembly
- Profit sharing
- Paid holidays
Quick Apply
Box Operator - 1st Shift
Dairy Farmers of America —St. Louis, MO
- English
- High school diploma or GED
- Manufacturing
Quick Apply
Filling & Packaging Operator I
Steris —St. Louis, MO
- $23.53 an hour
- Overtime
- Writing skills
- Basic math
- High school diploma or GED
- Paid holidays
- Disability insurance

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5-Axis CNC Mill Machinist

R&S Machining, LLC
St. Louis, MO

Quick Apply

Job Details

Full-time
$30 - $36 an hour

Benefits

Profit sharing
Health savings account
Health insurance
Dental insurance
Flexible spending account
Paid time off
Vision insurance
401(k) matching
Life insurance
Referral program

Qualifications

Machine setup
Teamwork
Equipment setup (production tasks)
Tooling
Machining tool setup
Attention to detail
Ability to follow instructions
Milling machines
CNC machining

Full Job Description

Build Your Career with Threadlock Precision

R&S Machining has recently been acquired by Threadlock Precision and now proudly operates as a Threadlock Precision company. Threadlock Precision is a rapidly growing engineered component manufacturer serving leading aerospace and defense customers, including OEMs and Tier 1 and Tier 2 suppliers. Backed by the financial strength of the D.E. Shaw Group, we are committed to:

Investing in our people through career development opportunities
Fostering a strong, collaborative company culture
Expanding our capabilities by investing in advanced manufacturing technology
Driving long-term growth to support increasing demand across complex, high-precision manufacturing programs

If you’re looking to join a company that values craftsmanship, innovation, and continuous improvement, we’d love to hear from you.

Position Overview

We are currently seeking an experienced 5-Axis CNC Mill Machinist to join our team at our manufacturing facility located in St. Louis, Missouri, just north of Arnold.

Schedule: 7:00 AM – 3:30 PM, Monday – Friday, OT opportunities available
Pay: $30-$36 per hour (compensation is based on experience, skills, and qualifications)

Your Impact

As a 5-Axis CNC Mill Machinist, you will play a key role in manufacturing complex, high-precision components for the aerospace and defense industry. Your ability to produce quality parts with accuracy and consistency will directly contribute to our reputation for excellence and our commitment to delivering products that meet the highest standards of quality and performance.

Working with advanced CNC equipment, you will help ensure every component meets customer specifications while supporting safe, efficient, and reliable manufacturing operations.

Key Responsibilities

Setup and operate 5-axis CNC machining centers
Read and interpret engineering drawings, specifications, and GD&T requirements
Verify tooling, fixtures, offsets, and machine setups prior to production.
Perform first-piece, in-process, and final inspections as required.
Monitor tool wear and make necessary offset adjustments.
Troubleshoot machining, tooling, and quality issues.
Work closely with programmers, quality personnel, and production leadership.
Maintain production records and documentation.
Follow all company safety, quality, and operating procedures.
Support continuous improvement initiatives focused on quality, efficiency, setup reduction, and productivity.

Required Qualifications

At least 3 years of CNC Mill Machinist experience, including setup and operation of 5-axis CNC machining centers

Preferred Qualifications

Aerospace or other high-precision manufacturing experience

Skills & Competencies

Strong ability to read and interpret work instructions, setup sheets, blueprints, engineering drawings, GD&T, dimensions, tolerances, and manufacturing specifications.
Proficiency using precision measuring instruments, including micrometers, calipers, bore gauges, height gauges, indicators, tread gauges, and other inspection equipment.
Strong understanding of in-process inspection, dimensional verification, and quality documentation requirements.
Ability to identify quality issues, troubleshooting machining, tooling, materials, or process concerns, and make appropriate adjustments.
Excellent attention to detail with the ability to consistently maintain tight tolerances throughout production.
Commitment to maintaining a clean, safe, and organized work environment in accordance with company safety and housekeeping standards.
Ability to work independently while communicating effectively with supervisors, programmers, quality personnel, engineering, maintenance, and fellow team members.
Continuous improvement mindset with the ability to identify opportunities to improve quality, efficiency, setup time, and overall process reliability.

Export Control Requirement

This position requires compliance with U.S export control laws and regulations. As such, candidates must be a “U.S. Person” as defined by applicable law (e.g., U.S. citizen, U.S. national, lawful permanent resident, or asylee/refugee).

Equal Employment Opportunity

Threadlock Precision is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic prohibited by applicable law.

Pay: $30.00 - $36.00 per hour

Benefits:

401(k) matching
Dental insurance
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Profit sharing
Referral program
Vision insurance

Work Location: In person

Quick Apply

Refine Your Search

machine operator jobs in affton, mo

5-Axis CNC Mill Machinist

CNC Machinist / Programmer 1st and 2nd Shift

4th Shift Machine Operator - Weekend Days

Press Support - 2nd Shift

Manual Mill & Lathe Machinist

Operator

Machine Operator - Entry Level

Journeyman CNC Machinist

Union Machine Operator

CNC Machinist - 2nd or 3rd Shift

Production Associate - 1st Shift

Production Associate - 2nd Shift

Production Associate - 2nd Shift

CNC Operator/Setup Machinist | St. Louis, MO

Machine Set Up Operator I

Machinist

Assistant Operator - Press

Painter: Afternoon / 2nd Shift (Premium Available)

Box Operator - 1st Shift

Filling & Packaging Operator I

I want to receive the latest job alert for machine operator in affton, mo

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