Senior Engineer, Product Development Engineering

Entegris is seeking a highly motivated individual for a Senior Mechanical Engineering role to design Gas Filter, Diffuser and Purifier products. The position reports into the Advanced Purity Solutions division within Entegris’ Micro-contamination Control division. This segment develops technologies that support development of the most advanced semiconductor applications in the world. This role will support the development of gas filter, diffuser, and point‑of‑use purifier products by conceiving, designing, and developing new prototypes in coordination with the R&D Media Development Team and Operations.

The successful candidate should be familiar and comfortable with stage‑gate processes for technology development and new product introduction, including creating product designs, layouts, and documentation that meet requirements and support improvement initiatives for both new and existing products. The role will also collaborate with domestic and international company resources and vendors to move new concepts from prototype through production.

• Lead projects related to technology development and new product introduction through stage‑gate process, as it relates to component prototype development for ultra‑high purity gas filtration/diffuser/point‑of‑use purifier technology.
• Conceptualize, design and develop prototypes with special emphasis on high‑purity processes and technologies.
• Generate intellectual property, and characterize prototype performance through structured testing, data analysis and documented technical findings.
• Design, build, and qualify laboratory equipment, fixtures, and tooling.
• Support the evaluation, selection, and procurement of external capital equipment for product and process improvement initiatives.
• Provide documentation support such as creating/maintaining drawings, SOPs, test procedures, test data.
• Perform wide variety of hands‑on testing and development tasks as needed Assist in performing root cause analysis on quality issues on new and existing products.
• Support continuous improvement initiatives with manufacturing department.
• Collaborate with customers to define performance requirements, design and develop new products, and validate product performance through testing and modeling.

• BS in Mechanical Engineering, or related field, 5+ years of experience;
• MS in Mechanical Engineering, or related field, 3+ years of experience.
• Familiarity with ASME Section VIII or similar pressure vessel codes is highly preferred
• Professional Engineer Certification, or ability to obtain one, a plus
• Experience with CFD/FEA preferred.
• Strong data analysis skills with Excel and Minitab
• Strong AI/Copilot skills
• Knowledge or experience in engineering design practices, solid modeling (Solid Works preferred), GD&T, and creating manufacturing drawings for use in producing prototype components.
• Ability to design, fabricate, and qualify tooling and equipment used in the manufacture and testing of products.
• Hands‑on experience using various machine shop tools, processes, equipment, etc. would be a plus.
• Ability to design and fabricate process/test equipment used for product testing/production.
• Knowledge in semiconductor hardware and systems a plus.
• Previous experience with filtration media, fluid dynamics, or high‑purity gas systems a strong advantage.
• Experience driving engineering deliverables through structured stage‑gate processes, including requirements definition, concept evaluation, design freeze, prototype build, DFMEA/CFMEA, validation, and production readiness.
• Being highly motivated, and able to work independently, as well as in a cross‑functional team environment.
• Excelle…