Senior Engineer II, Key Account Technology (Epi)

Step into a career with ASM, where cutting edge technology meets collaborative culture. ​

For over 55 years ASM has been ahead of what’s next, at the forefront of innovation and what’s technologically possible. With more than 4,500 ASMers representing 70 nationalities, our people and our advanced semiconductor devices are playing a crucial role in trends such as 5G, cloud computing, AI, and autonomous driving.  But we’re more than just a tech company. We value diversity, inclusion and sustainability as we strive to make a positive impact on the world. Our development programs help support your growth, shaping your future and pushing the boundaries of innovation to unleash potential.

Job's mission

As a Senior Engineer II, Key Account Technology (KAT) at ASM, you will serve as a key technical interface for strategic customers, driving new technology introduction and ensuring successful deployment of epitaxy (Epi) processes in high-volume manufacturing environments.

This role combines deep process expertise with strong customer engagement, supporting NPI, resolving complex technical escalations, and influencing product development through direct customer insight. You will work closely with both customer R D/manufacturing teams and ASM global teams to enable long-term technology success.

Selected candidates will participate in approximately 6 months of training in the United States to build deep understanding of ASM technology and product platforms.

What you will be working on

Act as the primary technical interface for key customers, supporting Epitaxy process development and production while building strong relationships with customer R D and manufacturing teams

Drive NPI and evaluation activities at customer sites, leading hands-on deployment and implementing BU-developed BKMs and process improvements

Execute and support customer-specific DOE and demo activities in collaboration with process teams

Diagnose and resolve complex process and equipment issues across development and production environments, while leading technical escalations including root cause analysis and corrective actions

Monitor equipment performance and ensure alignment with customer specifications

Understand customer technology roadmaps and align ASM solutions with future node requirements

Collaborate with global R D, Product Marketing, and Service teams to drive continuous product improvement and translate customer requirements into product and technology development inputs

Support alignment between customer needs and ASM business strategy

What we are looking for

Ph.D. or Master’s degree in Chemical Engineering, Materials Science, Physics, Electrical Engineering or related field

Experience requirements: Ph.D. with 4-8+ years of relevant industry experience, or Master's degree with 7-10+ years of relevant industry experience

Hands-on experience in Epitaxy (Epi), thin film / deposition processes (e.g., CVD, ALD, diffusion) or related semiconductor wafer processing technologies

Experience in semiconductor device manufacturing, process development, or capital equipment industry

Background in roles such as Process Engineer, Integration Engineer, Application Engineer, KAT, or Technical Customer Support is highly preferred

Solid understanding of semiconductor process integration and high-volume manufacturing environments

Proven ability to solve complex technical problems , including managing customer escalations and driving root cause analysis and corrective actions

Experience supporting NPI, process qualification, or technology transfer activities at customer sites

Strong analytical and data-driven problem-solving skills

Strong communication skills to engage effectively with customer R D, manufacturing, and internal global teams

Fluent in both Korean and English

What sets you apart

Experience working directly with key semiconductor accounts (e.g., Samsung, SK hynix)

Hands-on experience with Epi / thin film / diffusion deposition systems

Experience leading NPI programs or customer technology evaluations

Ability to influence cross-functional teams and drive technical strategy

Strong customer-facing mindset with the ability to build long-term trust

Apply today to be part of what’s next.

We make the tech that enables the chips in devices which improve lives around the world. We do this with an eye to the future, pushing the boundaries of what’s possible through cutting-edge innovation, and driving the next wave of technological breakthroughs that shape how we live, work, and connect.

To learn more about ASM, find us at asm.com and on LinkedIn , Facebook , Instagram, X and YouTube .

ASM is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, religion, age, nationality, social or ethnic origin, sexual orientation, gender, gender identify or expression, marital status, pregnancy, political affiliation, disability, genetic information, veteran status, or any …