Application Engineer at Qnity in Hwaseong, Gyeonggi, South Korea

Are you looking to power the next leap in the exciting world of advanced electronics? Do you want to help solve problems that drive success in the rapidly evolving technology and connectivity landscape? Then bring your problem-solving, passion, and creativity to help us power the next leap in electronics.

At Qnity, we’re more than a global leader in materials and solutions for advanced electronics and high-tech industries – we’re a tight-knit team that is motivated by new possibilities, and always up for a challenge. All our dedicated teams contribute to making cutting-edge technology possible. We value forward-thinking challengers, boundary-pushers, and diverse perspectives across all our departments, because we know we play a critical role in the world enabling faster progress for all. Learn how you can start or jumpstart your career with us.

Join our team as an Application Engineer supporting advanced wet cleaning and etching solutions for leading semiconductor customers. You will connect customer process challenges with our technology, working across customer teams, R&D, and laboratory resources to develop and optimize application solutions.

Key Responsibilities

• Lead technical engagement with customers on wet cleaning and etching performance, process integration, and optimization.
• Collaborate with formulation scientists to translate customer process needs into formulation improvements and application guidelines.
• Evaluate and optimize in-house lab tools to simulate customer process conditions and support demos, evaluations, and data correlation.
• Lead laboratory activities to plan, prioritize, and execute technical projects supporting customer needs.
• Troubleshoot process and product issues through root cause analysis, DOE, and solution-focused experimentation.
• Prepare and deliver technical reports, presentations, process recommendations, and application notes.
• Collaborate with R&D, product management, equipment vendors, and other cross-functional teams on product development and customer projects.

Required Qualifications

• Master's degree or above in Chemical Engineering, Materials Science, Mechanical Engineering or a related field.
• 2–5 years of experience in semiconductor wet process applications, preferably in application engineering or process engineering.
• Hands-on experience with wet cleaning processes, including recipe tuning, process setup, and optimization on wet bench and/or single-wafer tools.
• Familiarity with major wet process equipment vendors such as SEMES, TEL, SCREEN, and Lam Research, and with semiconductor customer process environments.
• Experience evaluating or simulating customer processes using lab tools for demos, technical evaluations, and data correlation.
• Experience with DOE, root cause analysis, and troubleshooting across process and equipment variables.
• Strong customer-facing technical communication and problem-solving skills.
• Ability to work effectively with R&D, product management, customers, and equipment vendors.
• Fluent English communication skills, both written and spoken.
• Strong commitment to safety and business ethics.

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Qnity is an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability or any other protected class. If you need a reasonable accommodation to search or apply for a position, please visit our Accessibility Page for Contact Information.

Qnity offers a comprehensive pay and benefits package. To learn more visit the Compensation and Benefits page.

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