Lead Scientist

Job Title:

Job Description:

The Role:

Entegris is currently seeking a Lead Scientist to join our Research and Development team in Fremont, California.

The Scientist / Lead Engineer in CMP (Chemical Mechanical Planarization) will lead the development, optimization, and sustainment of CMP processes used in semiconductor fabrication. This role requires deep technical expertise in CMP chemistry, materials interactions, polishing mechanisms, data‑driven process engineering, and collaboration across multifunctional teams. The successful candidate will contribute to new technology development, process innovation, yield improvement, and technology transfer into manufacturing.

What You’ll Do:

Process Development & Optimization

• Lead the development, optimization, and integration of CMP processes for semiconductor wafer fabrication.
• Lead new methodology development, slurry selection and screening, pad evaluation, and consumables qualification.
• Apply DOE, statistical modeling, SPC, and advanced data analytics to establish robust process windows.
• Identify root causes and implement permanent corrective actions for process drift or variability.

Experimental Execution & Technical Analysis

• Design and execute polishing experiments, metrology characterization, mechanistic studies, and slurry performance validation.
• Analyze test data to extract trends, correlations, mechanistic insights, and improvement opportunities.
• Establish operating specifications, process rules, and documentation to support R&D and manufacturing teams.

Cross-Functional Collaboration

• Work closely with integration, packaging, materials, metrology and equipment engineering.
• Technology Transfer & Manufacturing Support.

• Transfer CMP processes from development into high‑volume manufacturing.
• Support process qualification, yield ramp, stability tuning, and cost‑of‑ownership improvement.

What We Seek:

• Ph.D. or Master’s degree in Chemical Engineering, Materials Science, Electrical Engineering, or a related field.
• 5+ years of hands-on experience in CMP process development and integration within the semiconductor industry.
• Strong understanding of CMP fundamentals, equipment operation, and materials interactions.
• Proven track record of successful process development and problem-solving in a high-volume manufacturing environment.
• Experience with statistical analysis tools (e.g., JMP, Minitab) and data-driven process optimization.
• Excellent communication and teamwork skills.
• Ability to manage multiple projects and priorities in a fast-paced setting.

Why work at Entegris?

Lead. Inspire. Innovate. Define Your Future.
Not everyone who works for a global company shares the same background, experiences and perspectives. We leverage the differences of our employees to bring new ideas to the table. Every employee throughout the company is encouraged to share input on projects and initiatives. Our decision-making process is truly a collaborative effort as we realize there are leaders at every level of the organization. We put our values at the core of how we operate as an organization — not just when it’s convenient, but in a lasting and meaningful way. We want the time and energy you spend here to have a positive impact on your life inside and outside of the office.

What We Offer:

At Entegris, we invest in providing opportunity to our employees and promote from within. The new hire in this role will have the potential to grow and create relationships across the organization and be recognized for demonstrated success and adherence to company PACE values.

Our total rewards package goes above and beyond just a paycheck. Whether you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals. 

• A base salary in the $130k-145k range with actual pay dependent on the candidate’s overall skills for the role.
• Annual bonus eligibility.
• Progressive paid time off policy that empowers you to take the time you need to recharge.
• Generous 401(K) plan with an impressive employer match with no delayed vesting.
• Excellent health, dental and vision insurance packages to fit your needs.
• Education assistance to support your learning journey.
• Values-driven culture with colleagues that rally around People, Accountability, Creativity and Excellence.

At Entegris we are committed to providing equal opportunity to all employees and applicants. Our policy is to recruit, hire, train, and reward employees for their individual abilities, achievements and experience without regard to race, color, religion, sexual orientation, age, national origin, disability, marital or military status.  

Entegris does not intend to hire experienced or entry level job seekers who will need, now or in the future, Entegris sponsorship through H-1B ("H-1B lottery").

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