Senior Engineer I, Metrology

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  Operate and optimize advanced metrology tools (TEM, FIB) for materials and process characterization
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  Perform high-quality sample analysis and support internal/external demonstrations and applications development
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  Develop and optimize metrology recipes, including Best Known Methods (BKM) and production-ready applications
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  Collaborate closely with process engineers to select appropriate characterization techniques and support data interpretation
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  Analyze and present metrology results to support process development and engineering decision-making
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  Troubleshoot tool performance issues and coordinate with vendors to resolve hardware/software challenges
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  Support metrology tool uptime, monitor SPC data, and participate in tool efficiency improvement initiatives
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  Develop applications to identify process issues, solve problems, and optimize measurement capability
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  Maintain laboratory LEAN 6S standards and ensure safe, clean, and efficient lab operations
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  Support development of new analytical methods and metrology techniques aligned with ASM’s technology roadmap
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  Train engineers on metrology tools and develop SOPs and recovery procedures for tool-down scenarios
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  Stay up to date with industry trends, metrology innovations, and new characterization techniques

• Master’s or Ph.D. degree in Materials Science, Physics, Chemistry, or a related engineering discipline
• Minimum 3 years of hands-on experience operating TEM and/or FIB tools for semiconductor materials or devices
• Solid understanding of semiconductor processing and device fabrication
• Hands-on experience with metrology techniques such as XRR, XRD, XRF, TXRF, FTIR, SPV, four-point probe, Hall effect, and defect inspection tools is a plus
• Strong data analysis and problem-solving skills with the ability to interpret complex results
• Experience with SPC data monitoring and equipment performance analytics preferred
• Proficiency in MS Office tools; experience with data analysis tools (e.g., JMP) is a plus
• Strong communication skills in both Korean and English, with the ability to collaborate effectively across teams
• Ability to work independently while managing multiple tasks in a dynamic R&D environment

• Experience developing metrology recipes and turnkey metrology solutions
• Hands-on experience in TEM/FIB applications development and advanced characterization techniques
• Background in laboratory operations, tool maintenance, and equipment troubleshooting
• Experience supporting semiconductor process development (e.g., ALD, Epitaxy)Knowledge of optical and e-beam defect inspection methods
• Programming or scripting experience for automation of data acquisition or analysis
• Strong collaboration skills with the ability to influence cross-functional teams

*This position may require flexible working arrangements, including adjusted schedules or occasional off-hour support, depending on operational and project needs in the R&D environment.

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 other characteristic protected by law.