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Senior Injection Molding Process Engineer Jobs (NOW HIRING)

Molding Solutionsllc

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Injection Molding Process Technician/Supervisor

Mchenry, IL · On-site

$30 - $34/hr

Troubleshoot injection molding processes and quality issues * Perform mold start-ups, process ... Knowledge of engineering resins and commodity materials * Experience with mold setup, start-ups ...

Aequor

We are seeking a contract Molding Process Engineer with a strong specialization in software and automation validation to support our medical device injection molding operations. This role goes beyond ...

Molding Solutionsllc

Be Seen First

Injection Molding Process Technician/Supervisor

Mchenry, IL · On-site

$30 - $34/hr

Troubleshoot injection molding processes and quality issues * Perform mold start-ups, process ... Knowledge of engineering resins and commodity materials * Experience with mold setup, start-ups ...

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Senior Injection Molding Process Engineer information

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$121.1K

$170.5K

How much do senior injection molding process engineer jobs pay per year?

As of Aug 28, 2026, the average yearly pay for senior injection molding process engineer in the United States is $121,116.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $134,500.00 per year, depending on experience, location, and employer.

What does a senior injection molding process engineer do?

A Senior Injection Molding Process Engineer is responsible for designing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They oversee process improvements, ensure product quality, and collaborate with cross-functional teams to meet production goals. Additionally, they may develop and implement new molding technologies, train staff, and support maintenance of equipment to ensure efficient and reliable operations.

What are the key skills and qualifications needed to thrive as a senior injection molding process engineer?

To thrive as a Senior Injection Molding Process Engineer, you need a deep understanding of polymer science, mold design, process optimization, and typically a degree in engineering or a related field. Expertise with CAD software, process simulation tools, and familiarity with quality systems like ISO 9001 are commonly required, along with certifications such as RJG or Six Sigma. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills for collaborating with cross-functional teams and troubleshooting production issues. These skills ensure efficient production, high-quality output, and continuous improvement in complex manufacturing environments.

What are the common challenges faced by senior injection molding process engineers when introducing a new mold into production?

Senior Injection Molding Process Engineers often encounter challenges such as optimizing process parameters for new molds, ensuring part quality meets specifications, and troubleshooting issues like warpage or incomplete filling. Collaboration with design, tooling, and quality teams is essential to address these challenges and implement effective solutions quickly. Additionally, balancing production efficiency with consistent quality requires careful monitoring and adjustment during the initial production runs.

What is the difference between Senior Injection Molding Process Engineer vs Injection Molding Technician?

AspectSenior Injection Molding Process EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in process optimizationTechnical diploma or associate degree, on-the-job training
Work EnvironmentDesigning processes, analyzing data, improving production efficiencyOperating machinery, performing setup and maintenance
ResponsibilitiesProcess development, troubleshooting, process validationMachine operation, quality checks, routine maintenance

The Senior Injection Molding Process Engineer focuses on process design, optimization, and troubleshooting, requiring higher-level technical skills and education. In contrast, the Injection Molding Technician handles daily machine operation and maintenance tasks. Both roles are essential in the manufacturing environment but differ in scope and responsibilities.

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Senior Injection Molding Process Engineer jobs near you
Infographic showing various Senior Injection Molding Process Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $121,116 per year, or $58.2 per hour.

Injection Molding Process Engineer

Bridgeport, CT • On-site

Ametek
Manufacturing • 10K+ employees

7.5

Company rating: 7.5 out of 10

Based on 45 frontline employees who took The Breakroom Quiz

93rd of 159 rated electronics manufacturers

Good employer

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Learn more about Ametekexternal

Full-time

Re-posted 27 days ago

Job description

The Plastics/Injection Molding Engineer is responsible for driving mold process development and injection molding projects through adherence to established product design, scientific injection molding process, tooling, resin, and equipment. The key responsibility of this position is to lead molding qualification activities and continuous improvement with established manufacturing. Responsible for leading projects and actions that result in improved quality, process stability, and reduced cost.

Duties and Responsibilities

  • Experienced in setting up robust injection molding processes on multi-cavity molds and insert molding
  • Experienced in process development utilizing Scientific Molding and Design Of Experiments (DOE) principles
  • Subject matter expert in the ability to coordinate qualification activities (PPAP, IQ, OQ, PQ, DOE, etc.) to meet requirements of the application.
  • Highly proficient in generating qualification requirements and reports for injection molded components
  • Use and understanding of in-cavity sensors for process development
  • Plan and execute new tool samples and/or attend tool samples performed at outside sources
  • Prepare or update procedures, work instructions and process sheets as required
  • Subject matter expert during product design reviews for manufacturing feasibility
  • Understanding of Mold Flow analysis
  • Knowledge of both Crystalline & Amorphous plastics resin (examples include polycarbonate, acrylic, PVC, Nylon and Co-polyesters)
  • Use of Society of Plastics Industry Standards (SPI) for mold build classification and texture/surface appearance recognition
  • Use and understanding of Statistical Tools (Design of Experiments, Measurement System Analysis/Gage R&R, Process Capability and Statistical Process Control)
  • Develop and maintain strong working relationship with functional groups (Engineering, Quality Operations, Manufacturing)
  • Proactively perform process improvement activities on existing processes to improve efficiencies, increase production output, reduce scrap, waste, handling damage, and non-conformances.
  • Continuous improvement activities focused on cost reduction and communication of cost reduction project status.
  • Responsibilities for some or all of the following: project management, process development, process print development, development of work instructions, and operator training on manufacturing processes.
  • Become Subject Matter Expert for assigned processes and support customer, ISO, FDA, and internal audits.
  • Comply with department procedures and ISO and FDA regulations.
  • Development and implementation of process improvement projects as well as new process development, including working with outside contractors.
  • Discovers potential problems, solves problems, and implements changes in primary and secondary operation processes.
  • Responsible for working as part of the cell team to improve customer service, reduce scrap, reduce lead-time, improve product flow, reduce product cost, and provide smooth implementation of new products.
  • Work with other engineers and production operators in process development.
  • Occasionally responsible for working with Quality Engineering to develop quality plans and ensure compliance with Good Manufacturing Practices.
  • Once employee demonstrates competency in position, he/she may be required to train others in similar roles.
  • Strong history of mentoring coworkers in overall personal development 

Education and Experience

  • Preferred 4 Year/ Bachelors Degree in Plastics Engineering, Process Engineering, or related field. 8-10 years experience in Plastics environment.
  • Thorough working knowledge of primary or secondary production equipment and processes required.
  • Experience utilizing statistical techniques such as process capability and Gage R&R is strongly preferred.
  • Experience performing productivity tests and evaluations such as OEE, TPM, etc. is strongly preferred.
  • Should have demonstrated ability in leading projects through the evaluation of information and responding accordingly using project management tools such as Gant charts, etc.
  • Experience in new mold process development for new product rollouts is preferred.

KSA's

  • Excellent oral and written communication skills required.
  • The ability to work as part of a cellular team is essential to the job.
  • Ability to work and contribute in a team oriented, continuous improvement, manufacturing environment.
  • Personal computer, problem solving, team building, and SPC skills required.
  • Excellent organizational skills and attention to detail required.
  • Excellent follow-up skills required.
  • Ability to independently solve problems and make recommendations. 

Physical Demands

  • Frequent sitting, frequent standing, frequent walking.
  • Use hand/fingers to grasp/pinch/grip Occasional climbing (stairs/ladders) or balancing.
  • Occasional stoop, kneel, crouch, or crawl.
  • Occasional operating of machinery and/or hand power tools.

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