1

Injection Moulding Machine Operator Jobs in Missouri

PET Injection Molding Master Technician

Kansas City, MO · On-site

$20.25 - $27.25/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

PET Injection Molding Super Technician/Master Technician Needed- Kansas City, MO Are you a PET ... Analyzes test results, machine error messages, and information obtained from operators in order to ...

PET Injection Molding Master Technician

Kansas City, MO · On-site

$20.25 - $27.25/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

PET Injection Molding Super Technician/Master Technician Needed- Kansas City, MO Are you a PET ... Analyzes test results, machine error messages, and information obtained from operators in order to ...

Injection Molding Machine Operator

Fenton, MO · On-site

$20 - $25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Must be able to work well in a teamExperience in injection and or manufacturing a plus Must be mechanically inclined and able to lift 50 lbsAbility to follow instructions and work independently with ...

Injection Molding Machine Operator

Fenton, MO · On-site

$20 - $25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience in injection and or manufacturing a plus * Must be mechanically inclined and able to lift 50 lbs * Ability to follow instructions and work independently with little guidance * Ability to ...

Injection Molding Machine Operator

Fenton, MO · On-site

$15.25 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience in injection and or manufacturing a plus * Must be mechanically inclined and able to lift 50 lbs * Ability to follow instructions and work independently with little guidance * Ability to ...

Injection Molding Machine Operator

Fenton, MO

$15.25 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience in injection and or manufacturing a plus * Must be mechanically inclined and able to lift 50 lbs * Ability to follow instructions and work independently with little guidance * Ability to ...

Injection Molding Machine Operator

Fenton, MO

$15.25 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience in injection and or manufacturing a plus * Must be mechanically inclined and able to lift 50 lbs * Ability to follow instructions and work independently with little guidance * Ability to ...

Molding Machine Operator

Earth City, MO

$15.50 - $18.50/hr

The ideal candidate will be responsible for operating a type of molded pulp machinery, specifically a 1-face, 2-face, or 4-face rotary die mold machine in accordance with EnviroPAK quality ...

next page

Showing results 1-20

Injection Moulding Machine Operator information

See Missouri salary details

$11

$17

$22

How much do injection moulding machine operator jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for injection moulding machine operator in Missouri is $17.06, according to ZipRecruiter salary data. Most workers in this role earn between $15.34 and $18.27 per hour, depending on experience, location, and employer.

What is the difference between Injection Moulding Machine Operator vs Plastic Processing Technician?

AspectInjection Moulding Machine OperatorPlastic Processing Technician
CredentialsBasic technical training, on-the-job experienceTechnical diploma or certification often preferred
Work EnvironmentManufacturing plant, operating molding machinesManufacturing or processing plant, overseeing plastic production
Industry UsageCommonly used in plastics manufacturingUsed across plastics and polymer processing industries
Job FocusOperating and monitoring molding machinesMaintaining, troubleshooting, and optimizing plastic processing equipment

While both roles work within plastics manufacturing, the Injection Moulding Machine Operator primarily focuses on operating molding machines, whereas the Plastic Processing Technician handles broader processing tasks, including maintenance and troubleshooting of plastic production equipment.

What are popular job titles related to Injection Moulding Machine Operator jobs in Missouri?

For Injection Moulding Machine Operator jobs in Missouri, the most frequently searched job titles are:

Infographic showing various Injection Moulding Machine Operator job openings in Missouri as of August 2026, with employment types broken down into 48% Full Time, 48% Part Time, 3% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $35,482 per year, or $17.1 per hour.

Injection Molding Machine Operator

SINCLAIR & RUSH, INC.

Fenton, MO

$15.25 - $20.50/hr

Full-time

Re-posted 12 days ago


Sinclair & Rush rating

7.9

Company rating: 7.9 out of 10

Based on 7 frontline employees who took The Breakroom Quiz


Job description

The Position:
Seeking an Injection Molding Machine Operator at our Fenton, MO Facility.
Requirements:
  • Must be able to work well in a team
  • Experience in injection and or manufacturing a plus
  • Must be mechanically inclined and able to lift 50 lbs
  • Ability to follow instructions and work independently with little guidance
  • Ability to stand or walk for extended periods of time and to bend to lift heavy materials.
  • Willingness to work flexible hours, including overtime
  • Able to work 2nd or 3rd shift

View benefits and submit your application

What Sinclair & Rush employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom