Engineer, Process Engineering (Litho)
Core
Sustaining, optimizing, and developing photolithography processes in a high-volume manufacturing environment to ensure critical dimension control, overlay accuracy, and defect reduction.
Role type
Lithography Process Engineer
Builds
Photolithography processes for advanced integrated circuits
Domain
Semiconductor manufacturing / Lithography
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
SPC/ESPC chart analysis, CD and overlay analysis, photoresist process optimization, stepper/scanner tool tuning, Design of Experiments (DOE), lithography defect troubleshooting, cross-functional collaboration, quality compliance auditing
Preferred skills
Foundry experience, analytical problem solving
Technologies
SPACE, CD-SEM, scatterometry, KLA, ASML YieldStar, JMP, Klarity ACE, ASML, Nikon
Responsibilities
Monitor and analyze SPC/ESPC charts for lithography modules; Perform critical dimension and overlay analysis; Optimize photoresist coating, bake, exposure, and development processes; Manage and tune stepper/scanner exposure tools; Conduct Design of Experiments and split lot analysis; Troubleshoot lithography defects; Collaborate with Equipment Engineers on tool qualification and process window optimization; Maintain and optimize reticle management and alignment strategies; Drive process improvements to enhance CD uniformity and overlay performance; Support technology transfers and new product introductions; Lead cross-functional teams to resolve yield excursions; Ensure compliance with quality standards through audits.
Seniority
Mid-level, hands-on IC