The ROLE

Entegris is seeking a Principal Key Account Manager to support our Advanced Deposition Materials accounts across the Southwestern US region. This new hire will own Entegris’ technical‑commercial engagement with key semiconductor equipment OEMs for advanced deposition applications. This role is accountable for program execution, customer credibility, and predictable outcomes across evaluations, qualifications, POR defense, and next‑generation opportunities.

This role requires a disciplined account leader who is technically fluent, execution‑focused, and comfortable sharing ownership across a highly matrixed organization. Success depends on knowing when to lead, when to defer, and how toalignothers toward common outcomes.

This is a highly collaborative, fast-paced OEM account role that combines technical fluency with strong teamwork and operates on the customer’s timeline.

WHAT YOU'LL DO

• Serve as the single point of accountability for advanced deposition engagement with key OEMs, while actively sharing ownership with R&D, BU, Operations, Quality, and Supply Chain partners.

• Lead complex OEM evaluations and qualifications as a program manager, ensuring clarity of scope, roles, timelines, and decision points.

• Leverage subject matterexpertisewhile maintaining clear external ownershipand strong internal alignment.Deliver a seamless, coordinated experience for customers through aligned and consistent Entegris engagement

• Maintainstrong technical fluency in ALD and advanced deposition fundamentals to support effective customer and internal engagement, including the ability to:

• Engage confidently and credibly with customer engineering teams

• Ask thoughtful, productive questionsthat clarify customer needs, technical constraints and decision drivers

• Maintainworking familiarity with precursor materials and qualification considerationsto engage credibly and support effective decision making

• Translate customer discussions into clear, well aligned internal actions and priorities

• Demonstrate strong internal and external communication skills,ensuring clear, targeted information sharing and consistent customer messaging

• Partner closely with customers by operating at their pace and responding with urgency and agility Leadand influence internal teams toalign tothe samelevel ofresponsiveness and executionexcellence

• Own execution details across: open order reviews, RMA coordination, quote follow up and status clarity, and escalation management.

• Proactively identify technical, commercial, supply,and timingrisksand lead effectivemitigationefforts.

• Identify opportunities for systems‑level improvements (processes, tools, workflows) that improve speed, transparency, and execution quality.

• Collaborate with cross‑functional partners to design and implementsustainable processimprovements,

WHAT WE SEEK

• B .S. in Materials Science, Chemistry, Chemical Engineering, or related discipline; PHD-level candidates with strong relevant technical skills highly encouraged to apply.

• 10+ years of experience in the semiconductor technology industry.

• Experience supporting semiconductor equipment OEMs strongly preferred.

• Background in account management, technical program management, or customer‑facing engineering roles.

• Exposure to advanceddeposition, ALD, precursor materials, or materials qualification programs strongly preferred.

• Experience working in execution‑critical, escalation‑prone customer environments.

• Proven effectiveness in matrixed organizations without direct authority.

• Team‑first mindset — understands success depends on shared ownership and collective execution.

• Comfortable sharing ownership — knows when to lead and when to defer.

• High attention to detail — facts, commitments, data, and timing matter.

• Fast response orientation — thrives in environments where customer expectations are measured in hours.

• Strong communicator — ensures information flows clearly, efficiently, and appropriately.

• Process‑mindedness— interested in improving systems and scalability

• Ability to travel 30-40% of the time

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
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.

• Compensation: $140,000-$180,000 per year range with actual pay dependent on candidate overall skills for the role
• Annual Bonus Eligible
• A progressive (PTO) 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
• Company anticipates the application window closing approximately 5 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require Company to shorten or extend the application window

Entegris does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need Entegris immigration sponsorship (e.g., H1B, TN, STEM OPT, etc.) now or in the future.

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.

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