Injection Molding Machine Operator Job Description [Updated for 2025]

In the manufacturing industry, the role of an injection molding machine operator has never been more vital.
As manufacturing technologies advance, the demand for skilled individuals who can efficiently operate, maintain, and troubleshoot our injection molding machinery continues to grow.
But let’s break it down: What’s truly expected from an injection molding machine operator?
Whether you are:
- A job seeker trying to understand the core of this role,
- A hiring manager outlining the perfect candidate,
- Or simply fascinated by the intricacies of injection molding operations,
You’re in the right place.
Today, we present a customizable injection molding machine operator job description template, designed for easy posting on job boards or career sites.
Let’s dive right into it.
Injection Molding Machine Operator Duties and Responsibilities
Injection Molding Machine Operators handle and maintain injection molding machinery and are responsible for producing high-quality molded parts for various industries.
Their main duty is to ensure that production runs smoothly and that the final product meets quality standards.
The following are typical duties and responsibilities for an Injection Molding Machine Operator:
- Operate injection molding machines and auxiliary equipment in accordance with established procedures and guidelines
- Monitor the quality of molded products, making adjustments to machines as necessary to maintain product quality
- Perform routine maintenance on machinery, such as cleaning and lubricating parts, to ensure optimal performance
- Inspect completed products for defects, such as cracks, bubbles, or color inconsistencies
- Measure and visually inspect products for surface and dimension defects using precision measuring instruments
- Set up, clean, and change over machines for different product runs as needed
- Record production data, including volume produced, downtime, scrap, reject rates, and machine efficiency
- Adhere to all safety regulations and wear appropriate personal protective equipment (PPE)
- Collaborate with team members and supervisors to improve production processes and product quality
Injection Molding Machine Operator Job Description Template
Job Brief
We are seeking a skilled Injection Molding Machine Operator to join our production team.
As an Injection Molding Machine Operator, your main responsibilities include setting up and operating injection molding machines to cast products from thermoplastic materials.
Our ideal candidate has a strong understanding of the operation and basic maintenance of injection molding machines, and experience with quality control measures.
Ultimately, the role of the Injection Molding Machine Operator is to ensure the efficient and safe operation of machines, while producing high-quality parts that meet our company’s standards and client specifications.
Responsibilities
- Set up and operate injection molding machines according to specifications
- Monitor and control the quality of molded components, ensuring they meet company and client requirements
- Perform basic maintenance and troubleshooting on injection molding machines
- Inspect molded components and report any abnormalities in size, shape, color or physical defects
- Ensure workstation is clean, organized and free of hazardous materials
- Record all machine down time and production output
- Adhere to all safety guidelines and operational procedures
- Coordinate with other team members to meet production schedules
Qualifications
- Proven work experience as an Injection Molding Machine Operator
- Knowledge of machinery operation and basic maintenance
- Understanding of quality control procedures and standards
- Ability to read blueprints, schematics and manuals
- Good manual dexterity and eye-hand coordination
- High school diploma or equivalent
- Knowledge of health and safety regulations
Benefits
- 401(k)
- Health insurance
- Dental insurance
- Retirement plan
- Paid time off
- On-the-job training
Additional Information
- Job Title: Injection Molding Machine Operator
- Work Environment: This position operates in a manufacturing environment with exposure to heat and noise. Protective equipment is provided and required.
- Reporting Structure: Reports to the Production Supervisor.
- Salary: Salary is based upon candidate experience and qualifications, as well as market and business considerations.
- Pay Range: $30,000 minimum to $50,000 maximum
- Location: [City, State] (specify the location or indicate if remote)
- Employment Type: Full-time
- Equal Opportunity Statement: We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
- Application Instructions: Please submit your resume and a cover letter outlining your qualifications and experience to [email address or application portal].
What Does an Injection Molding Machine Operator Do?
Injection Molding Machine Operators are integral members of manufacturing teams, primarily working in industrial settings.
Their primary task is to oversee the operations of injection molding machines, which are used to create various plastic and metal products.
This involves setting up the machines, installing molds, and calibrating the equipment to ensure it operates safely and efficiently.
They are responsible for monitoring the equipment during operations to identify any anomalies or malfunctions that may arise.
When issues are detected, the operator is expected to troubleshoot the problem and initiate the necessary repairs or maintenance.
Apart from machine operations, they also inspect the finished products to ensure they adhere to the company’s quality standards and the client’s specifications.
This may involve measuring, trimming, or cleaning the products to remove any excess material or defects.
In some cases, Injection Molding Machine Operators may also need to document their work, recording machine settings, maintenance tasks, and any issues encountered during the manufacturing process.
Their role is critical to maintaining production efficiency and ensuring the quality of the manufactured goods.
They must also follow safety regulations to protect themselves and others in the workplace.
Injection Molding Machine Operator Qualifications and Skills
Injection Molding Machine Operators are required to have a specific set of technical and soft skills, as well as industry knowledge, including:
- Technical understanding of injection molding machines and processes to perform tasks efficiently and effectively.
- A keen eye for detail to ensure quality control standards are met and to identify any issues or defects in the final product.
- Mechanical skills to set up, troubleshoot, and maintain the injection molding machines.
- Problem-solving abilities to diagnose and resolve issues during the injection molding process quickly.
- Communication skills to effectively work with other team members and convey any issues or changes in operation.
- Manual dexterity and physical stamina to handle the machinery and materials, often for long hours.
- Understanding of safety procedures and regulations to ensure a safe work environment.
- Mathematical skills for accurate measurements and adjustments to the machinery.
- Ability to read and interpret blueprints and specifications to understand the requirements of the product.
Injection Molding Machine Operator Experience Requirements
For an entry-level position as an Injection Molding Machine Operator, candidates typically require a minimum of 1 to 2 years of practical experience.
This experience can often be gained through vocational training programs or apprenticeships.
In these roles, individuals gain experience in operating machinery, interpreting technical blueprints, and adhering to safety procedures.
Candidates with over 2 years of experience are generally considered for more skilled positions.
They have typically developed a comprehensive understanding of injection molding processes, machine maintenance, and quality assurance.
Those with over 5 years of experience may have the opportunity to advance to supervisory roles.
These professionals have a significant amount of experience in operating different types of injection molding machines, troubleshooting mechanical issues, and leading teams in a manufacturing setting.
They may also have experience training new operators and implementing efficient work processes.
Injection Molding Machine Operator Education and Training Requirements
The entry-level requirement for an Injection Molding Machine Operator is typically a high school diploma or its equivalent.
Knowledge in mathematics, basic chemistry and industrial technology can be beneficial.
Training for Injection Molding Machine Operators is usually carried out on the job.
This involves learning how to operate, troubleshoot, and maintain the machine, as well as understanding the properties of different plastic materials and how they behave under various conditions.
Some technical and community colleges also offer programs or courses in plastic manufacturing or plastics technology which can provide a solid foundation for this role.
These programs often include both classroom instruction and hands-on lab work.
Certifications can also enhance an operator’s credentials, though they are typically not a requirement for entry-level positions.
The Society of Plastics Engineers, for example, offers a Certified Plastics Technologist (CPT) certification.
Furthermore, understanding of safety protocols and quality control procedures is a must.
Possessing problem-solving skills and attention to detail can be beneficial as well.
While not necessary, some employers may prefer operators with previous experience in manufacturing settings or with other machinery.
Regular advancement and specialized roles may require further training and experience.
Injection Molding Machine Operator Salary Expectations
The average wage for an Injection Molding Machine Operator is $15.58 (USD) per hour.
However, actual earnings can vary significantly based on the level of experience, the complexity of the task, the location, and the company for which the operator works.
Injection Molding Machine Operator Job Description FAQs
What skills does an Injection Molding Machine Operator need?
An Injection Molding Machine Operator needs to have technical and mechanical skills to operate, troubleshoot, and maintain the equipment.
They should also have strong attention to detail to ensure products meet specifications and detect any faults or defects in the final product.
Physical stamina is important as the job might require them to stand for long periods.
Good math skills for calculating measurements and understanding blueprints could also be beneficial.
Do Injection Molding Machine Operators need a degree?
While a degree is not typically required for an Injection Molding Machine Operator, some employers prefer candidates with a high school diploma or equivalent.
On-the-job training is commonly provided, but prior experience in manufacturing, particularly in using injection molding machines, can be advantageous.
What should you look for in an Injection Molding Machine Operator resume?
When reviewing an Injection Molding Machine Operator’s resume, look for relevant experience in operating and maintaining injection molding machines.
Any specialized training or certification related to injection molding or manufacturing can be a plus.
Evidence of good manual dexterity, mechanical aptitude, and problem-solving skills should also be considered.
What qualities make a good Injection Molding Machine Operator?
A good Injection Molding Machine Operator exhibits strong attention to detail and high levels of accuracy to ensure the quality of the final product.
They should possess good mechanical skills to handle equipment and troubleshoot any issues.
Dependability and responsibility are also important as the role impacts the overall production process.
Additionally, a good operator should be able to work well in a team and communicate effectively.
What is the work environment like for an Injection Molding Machine Operator?
The work environment of an Injection Molding Machine Operator is typically in a factory or warehouse setting.
It can be noisy due to the machines and may require operators to wear safety equipment such as earplugs, safety glasses, or gloves.
The role usually involves standing for extended periods and may require heavy lifting.
Operators typically work in shifts, which could include nights and weekends.
Conclusion
And there you have it.
Today, we’ve taken a deep dive into the essential functions of an Injection Molding Machine Operator.
Surprise, surprise!
It’s not just about operating machinery.
It’s about playing a critical role in shaping the world of manufacturing, one precision-molded part at a time.
With our handy Injection Molding Machine Operator job description template and real-world examples, you’re ready to take the next step.
But why limit yourself?
Explore further with our job description generator. It’s your ultimate tool for creating detailed job descriptions or refining your resume to absolute excellence.
Remember:
Every molded part is a piece of a larger manufacturing puzzle.
Let’s shape that future. Together.
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