Plastic Injection Molding Technologist

Aerotek; Jennings (MO); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

Health insurance

Health savings account

Paid time off

Vision insurance

Job summary

Aerotek in Jennings, MO is seeking experienced Injection Molding Technician, Process Technician, or Mold Setter to help keep a high-volume plastic injection molding operation running efficiently. You will troubleshoot, set up, mold changes, and perform maintenance while driving quality, productivity, and continuous improvement.

This permanent onsite role offers competitive compensation and benefits, with opportunities for growth within a collaborative manufacturing environment.

Qualifications

• Experience with plastic injection molding in a manufacturing environment.
• Strong troubleshooting and problem-solving skills.
• Experience with machine setup, mold changes, and process optimization.
• Knowledge of hydraulic, pneumatic, electrical, and mechanical systems.
• Ability to read, understand, and adjust machine parameters.
• Experience using precision measuring and inspection equipment.

Responsibilities

• Troubleshoot mechanical, electrical, hydraulic, pneumatic, and process-related issues.
• Set up, adjust, and optimize injection molding machines for maximum performance.
• Perform mold changes, machine setups, repairs, and preventative maintenance.
• Investigate quality concerns and implement corrective actions.
• Monitor and improve cycle times, reduce scrap, and increase efficiency.
• Support and train production operators on equipment and troubleshooting.
• Work with Engineering, Quality, Production, and Maintenance teams to improve processes.
• Use measuring and inspection tools to ensure products meet specifications.

Skills

Injection molding

Troubleshooting

Process optimization

Team collaboration

Tools

Husky machines

Precision measuring tools

Job description

Join a Growing Manufacturing Team and Make an Immediate Impact!

Are you an experienced Injection Molding Technician, Process Technician, or Mold Setter looking for your next opportunity? We're seeking a hands‑on professional to help keep our high‑volume plastic injection molding operation running efficiently while driving quality, productivity, and continuous improvement.

In this role, you'll troubleshoot equipment, optimize molding processes, support production teams, and work with advanced automation technology to ensure products meet the highest quality standards.

What You'll Do

Troubleshoot mechanical, electrical, hydraulic, pneumatic, and process‑related issues

Set up, adjust, and optimize injection molding machines for maximum performance

Perform mold changes, machine setups, repairs, and preventative maintenance

Investigate quality concerns and implement corrective actions

Monitor and improve cycle times, reduce scrap, and increase efficiency

Support and train production operators on equipment and troubleshooting

Work with Engineering, Quality, Production, and Maintenance teams to improve processes

Use measuring and inspection tools to ensure products meet specifications

What We're Looking For

Experience with plastic injection molding in a manufacturing environment

Strong troubleshooting and problem‑solving skills

Experience with machine setup, mold changes, and process optimization

Knowledge of hydraulic, pneumatic, electrical, and mechanical systems

Ability to read, understand, and adjust machine parameters

Experience using precision measuring and inspection equipment

Strong communication skills and ability to work in a team environment

Preferred Qualifications

Experience with Husky injection molding machines

Experience with PET preforms and high‑cavitation molds

Experience in continuous improvement and lean manufacturing initiatives

Experience working in fast‑paced, automated manufacturing environments

Why Join Us?

Work with advanced manufacturing technology and automated equipment

Career growth and advancement opportunities

Ongoing training and professional development

Collaborative team environment

Exposure to global manufacturing projects and industry‑leading processes

Opportunity to make a direct impact on production performance and quality

Work Environment

This position is based in a fast‑paced manufacturing facility focused on high‑volume plastic injection molding. You'll work with advanced molding equipment, automated systems, and precision inspection tools while partnering with production, quality, engineering, and maintenance teams to drive operational excellence.

Ideal Backgrounds

• Injection Molding Technician

• Process Technician

• Mold Setter

• Maintenance Technician

• Manufacturing Technician

• Automation Technician

• Plastics Process Technician

• Tooling Technician

Job Type & Location

This is a Permanent position based out of Jennings, MO.

Pay and Benefits

The pay range for this position is $80000.00 - $110000.00/yr.

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.

401(k)401(k) matchingDental insuranceHealth insuranceHealth savings accountPaid time offVision insurance

Workplace Type

This is a fully onsite position in Jennings,MO.

Application Deadline

This position is anticipated to close on Oct 20, 2026.

About Aerotek

Aerotek® 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.