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Senior Injection Molding Process Engineer Jobs in Phoenix, AZ

Provide support for the installation of new injection molds, equipment and related automated systems; collaborate with other engineering team members to investigate tooling and process problems; make ...

Provide support for the installation of new injection molds, equipment and related automated systems; collaborate with other engineering team members to investigate tooling and process problems; make ...

Provide support for the installation of new injection molds, equipment and related automated systems; collaborate with other engineering team members to investigate tooling and process problems; make ...

Process Engineer Senior

Tempe, AZ · On-site

$120K - $155K/yr

In addition, you will serve as the process engineering lead for the wafer prep and finishing area ... Demonstrated understanding of the operation and maintenance of molding, grinding, die attach, ball ...

... process and forms required Qualifications and Experience: * Bachelor's degree in Engineering or equivalent experience. * 10+ years of injection molding experience in the healthcare/medical device ...

... process and forms required Qualifications and Experience: * Bachelor's degree in Engineering or equivalent experience. * 10+ years of injection molding experience in the healthcare/medical device ...

Reverse engineering (Scan-to-CAD, Point Cloud-to-Model). * Manufacturing process knowledge (Injection Molding, Sheet Metal, CNC Machining, Casting). * CAD model auditing. * CAD automation and ...

Sr Process Engineer

Mesa, AZ · On-site

$103K - $133K/yr

As a Sr Process Engineer, you will bring together mechanical, systems, electrical measurement, robotics, software, UX and data informatics to deliver a sustainable manufacturing process and build ...

Sr Process Engineer

Mesa, AZ · On-site

$103K - $133K/yr

As a Sr Process Engineer, you will bring together mechanical, systems, electrical measurement, robotics, software, UX and data informatics to deliver a sustainable manufacturing process and build ...

Showing results 21-40

Senior Injection Molding Process Engineer information

See Phoenix, AZ salary details

$74.5K

$120.3K

$169.3K

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

As of Sep 6, 2026, the average yearly pay for senior injection molding process engineer in Phoenix, AZ is $120,257.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,300.00 and $133,500.00 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.

What are the most commonly searched types of Injection Molding Process Engineer jobs in Phoenix, AZ?

The most popular types of Injection Molding Process Engineer jobs in Phoenix, AZ are:

What job categories do people searching Senior Injection Molding Process Engineer jobs in Phoenix, AZ look for?

The top searched job categories for Senior Injection Molding Process Engineer jobs in Phoenix, AZ are:

Infographic showing various Senior Injection Molding Process Engineer job openings in Phoenix, AZ as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $120,257 per year, or $57.8 per hour.

Full-time

Re-posted 22 days ago


Key responsibilities

  • Support automated assembly and injection molding manufacturing processes.

  • Manage and provide engineering support for projects from conception through production, including equipment installation, start-up, and qualification.

  • Perform process development, engineering studies, and validations related to molds, equipment, and manufacturing processes.


West Pharmaceutical Services rating

8.5

Company rating: 8.5 out of 10

Based on 32 frontline employees who took The Breakroom Quiz

13th of 122 rated packaging manufacturers


Job description

At West, we're a dedicated team that is connected by a purpose to improve patient lives that has been at the center of our Company for more than a century. Our story began when Herman O. West solved the problem of supplying penicillin in mass quantities to the US Government during World War 2. Through our work to deliver thousands of life-saving and life-enhancing injectable medicines to millions of patients daily, West's indelible mark on the healthcare industry has just begun. A name started our story. How will yours help write our future?  

 There's no better place to join an inclusive community of professionals with opportunities for lifelong learning, growth and development. Supported by benefit programs, we empower the physical, mental, emotional and financial health of our team members and their families.  

 We believe in giving back to help those in need in the communities where we live and work. And are equally committed to creating a healthier environment and planet through our sustainability efforts.

This is an onsite position requiring the team member to be onsite 5 days a week M-F

Job Summary

In this role, you will support automated assembly and injection molding manufacturing for various product lines.

Essential Duties and Responsibilities
  • Manage and provide sound engineering support with hands on expertise and practices in projects from conception through production. Interact with engineering, management, site and corporate team members, and/or vendors to develop engineering specifications for new equipment or required process improvements; produce, modify, and maintain drawings; maintain project timelines; continuously evaluate projects from the tasks, resource and cost perspective; ensure delivery of the projects on time and within budget; actively install, start-up, and qualify equipment or tooling.
  • Perform process development on new and existing molds.
  • Design, execute, and analyze engineering studies.
  • Provide engineering guidance to assure plant, machinery, and processes are optimized.
  • Assist in electrical, mechanical, pneumatic, and hydraulic design modifications.
  • Coordinate and/or perform all necessary validations and/or process engineering evaluations as needed for manufacturing equipment.
  • Manage and coordinate plant and capital projects as assigned, properly document work, and maintain history of projects in appropriate project files.
  • Improve processes and procedures to manufacture a quality product at a minimum cost.
  • Provide technical expertise to other plant personnel.
  • Research and analyze data such as vendor design proposals, specifications, and manuals to determine feasibility of design or application.
  • Assist in installation of new products, tooling, and related processes; investigate tooling and process problems; make new product/process recommendations.
  • Support Engineering projects as required.
  • Instruct and train West Pharmaceutical Services personnel in the use of any special equipment that may be required for project completion.
  • Maintain an awareness of "state of the art" technology as it applies to our industry. Take part in educational programs pertinent to process projects.
  • Provide Engineering assistance to ensure plant, machinery, tooling, and processes are at optimal performance.
  • Contribute to continuous process improvement efforts to reduce scrap, cycle times, improve efficiency, and eliminate waste.
  • Provide a "Customer Service" attitude when interacting with internal and external customers.
  • Keep supervisor advised of any unusual situations, which might impair the progress or execution of final project objectives, so that they may act accordingly.
  • Adhere to work and quality standards.
  • Maintain a clean, orderly, and safe work environment at all times.
  • Conform with and abide by all regulations, policies, work procedures, instructions, and safety rules.
  • Exhibit regular, reliable, punctual, and predictable attendance.
  • Perform other duties as assigned based on business needs.
Education
  • Bachelor's Degree in Science, Engineering, or related field preferred
  • Applicants with significant relevant experience in process engineering will be considered in place of formal education
Work Experience
  • Minimum 3 years plastic injection mold processing experience required
Preferred Knowledge, Skills and Abilities
  • Able to be aware of all relevant SOPs as per Company policy as they are related to the position covered by this Job Description
  • Support and contribute in Lean Sigma programs and activities towards delivery of the set target
  • Application skills utilizing latest software, hardware and vision technology
  • Six Sigma and Lean Manufacturing experience with four (4) years of practical application a plus.
  • Able to comply with the company's safety and quality policies at all times
License and Certifications

RJG Master Molder Certification preferred

Travel Requirements
10%: Up to 26 business days per year
Physical Requirements
Medium-Exerting up to 50lb/22kg of force occasionally and/or up to 20lbs/9kg of force frequently, and/or up to 10lbs/4kgs of force constantly to move objects.
Additional Requirements
  • Self-motivated and solution-oriented personality.
  • Excellent written and verbal skills.
  • Good communication, project management, and interpersonal skills.
  • Good organizational skills.
  • Effective problem-solving skills.
  • Must wear safety toe shoes, safety goggles, and hearing protection, as required, in production areas.
  • Must follow and comply with Plant's Dress and Hygiene Code (SOI).
  • Must follow and comply with all Company and Plant policies, procedure (SOIs), rules and State and Federal laws
  • Must be able to work scheduled work week, plus irregular hours as required to complete assignments. May stand or sit for extended periods of time. Must transport oneself to and from other areas of the facility and travel to other divisions when necessary. Must have good visual acuity. If specifically necessitated by customer requirements, must be able to see with or without corrective lenses and distinguish color differences for product and safety issues.
Shift

M-F

West embraces diversity and equality of opportunity. We foster an environment where all individuals are safe, treated fairly, valued and respected. We do not discriminate on the basis of race, religion, color, national origin, gender, sex, gender identity, sexual orientation, age, marital status, veteran status, disability status or other applicable legally protected characteristics. Where permitted by law, employment with West Pharmaceutical Services, Inc. or any of its subsidiary or affiliate companies, is contingent upon the satisfactory completion of post-offer background screening and/or drug screening. #LI-SL1 


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