Principal Membrane Engineer: Materials Innovation & Scale-Up

Entegris; Billerica (MA); On-site; USD 140,000 - 185,000; Full time

Benefits offered by this job

Annual bonus eligible

Excellent health, dental and vision

Generous 401(k) match

Flexible work schedule

Job summary

Entegris is seeking a Principal Engineer, Membrane Engineering to lead development of advanced immersion cast membranes for semiconductor filtration. The role covers design, formulation, casting, characterization, and process development across lab, pilot, and production stages.

You will collaborate with R&D, manufacturing, marketing, and quality to drive early-stage technology and scale-up activities for new product introductions, while contributing to IP and cross-functional programs.

Qualifications

• Ph.D. in Chemical Engineering, Materials Science, Polymer Science, Chemistry, or a related field with 5+ years of research experience.
• Proven track record of technical innovation and leadership in membrane technologies.
• Strong problem solving and independent work ethic.
• Deep expertise in membrane materials, manufacturing, filtration science, and separation technologies.
• Experience leading cross-functional programs and influencing stakeholders.

Responsibilities

• Develop and optimize NIPS processes for immersion cast membranes.
• Create novel membrane materials and manufacturing processes for differentiated products.
• Conduct lab and pilot-scale trials; support scale-up and production runs.
• Analyze membrane performance using porometry, SEM, mechanical testing, and permeability tests.
• Document experiments and present findings to stakeholders.
• Lead IP generation through patents and invention disclosures.
• Collaborate with operations and procurement for cost, performance, and timelines.
• Troubleshoot material, process, or equipment issues in membrane development.
• Maintain EH&S compliance and safety in the lab.
• Engage with customers and technical teams as needed.

Skills

Membrane materials

Cross-functional leadership

Communication

Problem solving

Independent work

Scientific curiosity

Team collaboration

Safety compliance

Education

Ph.D. in Chemical Engineering / Materials Science / Polymer Science / Chemistry or related field

Tools

SEM

Porometry

Mechanical testing

NIPS process development

Job description

Entegris is seeking a Principal Engineer, Membrane Engineering to lead development of advanced immersion cast membranes for semiconductor filtration. The role covers design, formulation, casting, characterization, and process development across lab, pilot, and production stages.

You will collaborate with R&D, manufacturing, marketing, and quality to drive early-stage technology and scale-up activities for new product introductions, while contributing to IP and cross-functional programs.