Molding Process Engineer

West Pharmaceutical Services, Inc; Scottsdale (AZ); On-site; USD 80,000 - 110,000; Full time

Job summary

West Pharmaceutical Services, Inc. is seeking a Molding Process Engineer to lead injection-molding process development, validation, troubleshooting and lifecycle control in a regulated pharmaceutical manufacturing environment.

The role partners with Manufacturing, Quality, Maintenance and Regulatory to ensure robust, compliant processes and cost effectiveness. A Bachelor’s in plastics/manufacturing/industrial engineering is required with a minimum of 3 years in related fields.

Qualifications

• Requires a Bachelor's degree in Plastics, Manufacturing, Industrial Engineering or related field.
• Minimum 3 years in injection molding, process engineering, validation or related regulated environment.
• Knowledge of GMP practices and manufacturing data systems is preferred.

Responsibilities

• Writes and follows qualification protocols (URS, FAT, IQ/OQ, PQ).
• Provides process support and troubleshooting for injection molding lines.
• Develops validated process windows using scientific molding principles.
• Collaborates with multiple teams to ensure compliant, cost-effective manufacturing.

Skills

Injection Molding

Process Engineering

Validation

DOE

SPC

Education

Bachelor’s Degree in Plastics/Manufacturing/Industrial Engineering

Tools

Minitab

JMP

Power BI

Excel

Job description

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Title: Molding Process Engineer

Requisition ID: 75406

Date: Aug 12, 2026

Location: Scottsdale, AZ, US, 85260

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.

Job Summary

This onsite Molding Process Engineer will provide technical direction for high‑precision injection molding processes in a regulated pharmaceutical manufacturing environment. This role is responsible for process development, validation, troubleshooting, continuous improvement, and lifecycle process control for molded components. The Molding Process Engineer will partner with Manufacturing, Quality, Maintenance, Tooling, Automation, Validation, and Regulatory teams to ensure robust, capable, compliant, and cost‑effective manufacturing processes.

Essential Duties and Responsibilities

• Leads or supports equipment, mold, automation, and process qualifications, including URS, FAT, SAT, IQ, OQ, and PQ as applicable.
• Writes technical reports, protocols, change controls, issue reviews as required to defend or support decisions concerning material acceptability.
• Provides process support to the production facilities as required. Requires working knowledge of all injection molding processing equipment (i.e. materials, molding, tooling, etc.)
• Develops and documents validated process windows using scientific molding principles.
• Supports investigations for nonconformances, deviations, customer complaints, and audit observations.
• Collaborates with Tooling and Maintenance teams on mold design reviews, mold qualifications, preventive maintenance, spare‑part strategy, and tool performance monitoring.
• Uses manufacturing data systems to monitor process performance, downtime, scrap, yield, and process capability.
• Works within timelines to ensure timely completion of assigned projects.
• Ensures quality of all materials used in the process by developing and implementing effective reliable testing techniques.
• Ensures continued reliability of testing techniques by maintaining current knowledge of all technical and analytical information.
• Establishes and implements reliable procedures to ensure compliance with good manufacturing practices.
• Provides project leadership for materials‑and process‑related projects by coordinating the efforts of the various departmental disciplines for successful completion according to plan and budget.
• Supports the efforts of production in related areas as a technical advisor.
• Reviews and analyzes process data using tools such as Minitab, JMP, Power BI, Excel, or equivalent.
• Takes appropriate action to ensure compliance with all safety, health and hazardous communication standards.
• Ensures that established policies, rules and regulations, and procedures are followed.
• Other duties as assigned

Education

• Bachelor’s Degree in Plastics Engineering, Manufacturing Engineering, Industrial Engineering, or a related technical discipline required or relevent experience may be considered in lieu of degree.

Work Experience

• Minimum 3 years of experience in injection molding, process engineering, validation, or related regulated manufacturing environment required.

Preferred Knowledge, Skills and Abilities

• Preferably has prior experience working in either the Medical, Packaging or Technological industries.
• Must have in‑depth knowledge of Statistical Process Control (SPC) and Design of experiments (DOE).
• Must have working knowledge of all the molding processes in the plant and the associated tooling for each; including tooling design and manufacture. Demonstrative knowledge of variability, numerical reasoning and computer applications.
• Experience with manufacturing data systems, MES, ERP, SPC software, electronic documentation systems, data visualization tools, and validated computerized systems.
• Must have excellent written and verbal communication skills as well as the ability to accurately document work performed.
• Must be able to organize and prioritize tasks; must be detail orientated and self‑motivated.
• Must be able to deal with all levels of employees and work across various departments.
• Experience in writing and executing validation protocols and reports.
• Collaborates effectively as part of a team to support department and organizational goals.
• Able to be aware of all relevant standard operating procedures as per Company policy as they are related to the position covered by this Job Description.
• Support and contribute to Lean Sigma programs and activities towards delivery of the set target
• Able to comply with the company’s safety policy at all times.
• Able to comply with the company’s quality policy at all times.

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

• Medical Device manufacturing requires strict adherence to standards. Working environment is a manufacturing facility, which houses plastic injection molding machines. Must tolerate fumes and particulate generated from various plastics. Work areas are equipped with adequate lighting, cooling/heating and equipment that are in a good working condition. Must work constructively in an environment that may be stressful due to competing resources while at all times maintaining company confidentiality.
• Must be able to work scheduled work week, plus overtime and/or 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

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.

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