Plastic Injection Molding Technologist

Job Description

Job Description

Injection Molding Technician

Pay: $35-$55/hr

We are looking for an experienced Injection Molding Technician to support a high-volume plastics manufacturing operation. This role is responsible for machine setup, mold changes, process optimization, troubleshooting, and maintaining production efficiency while ensuring quality standards are met.

• Set up and adjust injection molding machines
• Perform mold changes and machine startups
• Troubleshoot mechanical, electrical, hydraulic, pneumatic, and process-related issues
• Optimize cycle times, reduce scrap, and improve efficiency
• Investigate and resolve quality concerns
• Perform preventative maintenance and minor repairs
• Train and support production operators
• Use measuring tools and inspection equipment to verify product quality

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

• Experience with Husky injection molding machines
• PET preform manufacturing experience
• Lean manufacturing or continuous improvement experience
• Experience in automated manufacturing environments

• Competitive pay: $35-$55/hr
• Long-term career growth opportunities
• Work with advanced molding and automation technology
• Team-oriented manufacturing environment
• Opportunity to make a direct impact on production and quality results

Fast-paced manufacturing facility focused on high-volume plastic injection molding. Candidates should be comfortable working around production equipment and supporting multiple machines and processes throughout the shift.

Job Type & Location

This is a Permanent position based out of Saint Louis, MO.

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

This is a fully onsite position in Saint Louis,MO.

This position is anticipated to close on Oct 21, 2026.

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.