About the role

AI summarised

The Engineer, Process Engineering (Litho) is responsible for sustaining, optimizing, and developing photolithography processes in a high-volume semiconductor manufacturing environment. This role involves monitoring and analyzing process data, troubleshooting defects, optimizing exposure and coating steps, and collaborating with equipment and cross-functional teams to improve yield and process control. The position requires hands-on experience with advanced lithography tools and metrology systems, and supports technology transfers, NPI, and process ramp-up activities.

FoundryOnsite

Key Responsibilities

Monitor and analyze SPC/ESPC charts for lithography modules using SPACE; respond to OOC/OOS events
Perform critical dimension (CD) and overlay analysis using CD-SEM, scatterometry, and overlay metrology tools (e.g., KLA, ASML YieldStar)
Optimize photoresist coating, soft bake, exposure, post-exposure bake (PEB), and development processes
Manage and tune stepper/scanner exposure tools (e.g., ASML, Nikon) for optimal performance and tool matching
Conduct Design of Experiments (DOE) and split lot analysis using JMP, Klarity ACE, and other statistical tools

Requirements

Bachelor Degree in Electrical / Electronics / Mechanical / Mechatronics / Microelectronics Engineering
1 to 3 years of relevant experience in semiconductor wafer process engineering
Proven ability to identify, assess and solve problems
Ability to perform Normal / Swing Shift (or 12-hour rotating shift if required)