ZipRecruiter

Log In

1

Injection Mold Operator Jobs in Missouri (NOW HIRING)

Advastar, Inc

Molding Technician

Kansas City, MO

$27 - $35/hr

Execute scheduled mold changeovers: pull and set injection molds using an overhead crane, prepare ... operating efficiency * Perform color and order changes, including all required line clearance ...

Advastar, Inc

Molding Technician

Kansas City, MO

$27 - $35/hr

Execute scheduled mold changeovers: pull and set injection molds using an overhead crane, prepare ... operating efficiency * Perform color and order changes, including all required line clearance ...

Advastar, Inc

Molding Technician

Kansas City, MO · On-site

$27 - $35/hr

Execute scheduled mold changeovers: pull and set injection molds using an overhead crane, prepare ... operating efficiency * Perform color and order changes, including all required line clearance ...

next page

Showing results 1-20

All JobsInjection Mold Operator JobsInjection Mold Operator Jobs in Missouri

Injection Mold Operator information

See Missouri salary details

$11

$17

$23

How much do injection mold operator jobs pay per hour?

As of Aug 28, 2026, the average hourly pay for injection mold operator in Missouri is $17.22, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $19.38 per hour, depending on experience, location, and employer.

What is an injection mold operator?

Injection Mold Operators are skilled workers who operate and monitor machines that mold plastic parts and products by injecting molten material into a mold. Their responsibilities include setting up the injection molding machines, ensuring the molds are correctly installed, monitoring production for quality and safety, and performing routine maintenance. They play a critical role in manufacturing industries that produce plastic components for automotive, medical, consumer goods, and other sectors.

What are the key skills and qualifications needed to thrive as an injection mold operator, and why are they important?

To thrive as an Injection Mold Operator, you need a solid understanding of manufacturing processes, mechanical aptitude, and typically a high school diploma or equivalent. Experience with injection molding machines, knowledge of quality control systems, and sometimes certifications like RJG or Paulson are valuable. Attention to detail, problem-solving, and effective communication help operators address issues quickly and maintain productivity. These skills ensure efficient production, minimize defects, and contribute to a safe and high-quality manufacturing environment.

What are some common challenges faced by injection mold operators, and how can they be addressed?

Injection Mold Operators often encounter challenges such as maintaining consistent product quality, troubleshooting machine malfunctions, and managing tight production schedules. To address these issues, operators must be detail-oriented, proactive in performing regular equipment checks, and communicate effectively with maintenance and quality assurance teams. Continuous training on new machinery and techniques also helps operators stay up-to-date and minimize downtime or defects, contributing to a more efficient workflow.

What is the difference between Injection Mold Operator vs Machine Setter?

AspectInjection Mold OperatorMachine Setter
Primary RoleOperates and monitors injection molding machines to produce plastic partsSets up, adjusts, and maintains machines to ensure proper operation
CredentialsHigh school diploma or equivalent; training on machinerySimilar credentials; technical training or certification often preferred
Work EnvironmentManufacturing plant, repetitive tasks, safety protocolsManufacturing plant, focus on machine setup and troubleshooting
Industry UsageCommonly used in plastics manufacturingOften overlaps in plastics and manufacturing sectors

While both roles operate within the plastics manufacturing industry, the Injection Mold Operator primarily runs the machines to produce parts, whereas the Machine Setter focuses on preparing and maintaining the equipment. Understanding these distinctions helps in choosing the right career path or job search focus.

What cities in Missouri are hiring for Injection Mold Operator jobs?

Cities in Missouri with the most Injection Mold Operator job openings:

What are popular job titles related to Injection Mold Operator jobs in MO?

For Injection Mold Operator jobs in MO, the most frequently searched job titles are:

Injection Mold Operator jobs near you
Infographic showing various Injection Mold Operator job openings in Missouri as of August 2026, with employment types broken down into 46% Full Time, 51% Part Time, 2% Contract, and 1% Nights. Highlights an 98% Physical, and 2% Remote job distribution, with an average salary of $35,821 per year, or $17.2 per hour.

Injection Molding Operator 8 Hrs. (3 Different Shifts)

Sika

Grandview, MO • On-site

$15.75 - $21/hr

Full-time, Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

Sika rating

7.7

Company rating: 7.7 out of 10

Based on 33 frontline employees who took The Breakroom Quiz

48th of 100 rated chemical manufacturers

Job description

Company Description

About Sika 

With more than 100 years of experience, Sika is a worldwide innovation and sustainability leader in the development and production of systems and products for commercial and residential construction, as well as the transportation, marine, automotive, and renewable energy manufacturing industries.

Sika is a specialty chemicals company with a globally leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing, and protection in the building sector and industry. Sika has subsidiaries in 103 countries around the world, produces in over 400 factories, and develops innovative technologies for customers worldwide. In doing so, it plays a crucial role in enabling the transformation of the construction and transportation industries toward greater environmental compatibility. Approximately 33,000 employees generated CHF 11.20 billion in sales in 2025.

Job Description

Injection Molding Operator (1st Shift:  7:00AM - 3:00PM) 8 Hrs.

Injection Molding Operator (2nd Shift:  3:00PM - 11:00PM) 8 Hrs.

Injection Molding Operator (3rd Shift:  11:00PM - 7:00AM) 8 Hrs.

To operate line/machine or inspect/pack finished good parts in a quality and timely manner.  Performs miscellaneous duties at supervisor’s or team lead’s request. 

  • Operate / running injection molding machines.
  • Responsible for quality, efficiency, and effectiveness of injection molding machine.
  • Adhere to all safety protocols, as well as, safely operating all required equipment.
  • Maintain a clean and safe work environment.
Qualifications
  • High School Diploma /GED
  • Forklift Certified (Optional)
  • Good Attendance
  • Must be able to meet the standard physical requirements.
  • Good oral communication, written, and math skills; Reliable transportation; Able to work in a team environment
  • Ability to wear a respirator

Additional Information

Perks & Benefits  

  • 401k with Generous Company Match 
  • Bonuses
  • Medical, Dental, and Vision Benefits
  • Paid Parental Leave
  • Life Insurance
  • Disability Insurance
  • Paid time off, Paid holidays
  • Floating holidays + Paid Volunteer Time
  • Wellness/Fitness Reimbursements
  • Education Assistance
  • Professional Development Opportunities
  • Employee Referral Program & More!

Sika fosters a culture of entrepreneurship, empowering each individual to make decisions, learn from experiences, and shape their own career path. The safety and well-being of employees are top priorities at Sika, with a strong commitment to open communication and maintaining a safe workplace. In addition, Sika actively contributes to the community and promotes sustainability by giving back, minimizing environmental impact, and embracing social responsibility.

We offer competitive salaries, aligned with local market benchmarks and the specific scope and responsibilities of each role. Compensation is determined based skills relevant to the position, education and/or training.  We are committed to fair and equitable pay practices in accordance with applicable laws and regulations.

Sika Corporation is committed to a work environment that supports, inspires, and respects all individuals that apply. As an equal opportunity employer Sika will consider all qualified applicants without discrimination on the basis of race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, disability, national or ethnic origin, or other protected characteristics.

We offer competitive salaries, aligned with local market benchmarks and the specific scope and responsibilities of each role. Compensation is determined based skills relevant to the position, education and/or training.  We are committed to fair and equitable pay practices in accordance with applicable laws and regulations.

What Sika employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply