Lithography Process Engineer for Photonics & III-V Semiconductors

DenseLight Semiconductors Pte Ltd; Singapore; On-site; SGD 95,000 - 150,000; Full time

Job summary

DenseLight Semiconductors Pte Ltd is seeking a seasoned Photolithography Process Engineer to develop, optimize, and sustain lithography steps for compound semiconductor wafer fabrication. You will drive process stability, yield, and quality while guiding junior engineers and production staff.

You will own quality indices, lead troubleshooting and corrective actions, and collaborate with Equipment, Yield, and Operations teams to ensure schedules and targets are met.

Qualifications

• Bachelor Degree in Electrical Engineering, Materials Science, Applied Physics, Chemical Engineering or related discipline.
• Minimum 5 years of relevant experience in photolithography within semiconductor/optoelectronic environments.
• Hands-on experience with photoresist coat/develop track systems, mask aligners/steppers, and exposure/develop process controls.
• Proficient in CD measurement (CD-SEM/optical) and overlay metrology with capability to set CD/overlay specs.
• Familiarity with mask/reticle design reviews and defect/particle control in cleanroom environment.
• Experience with SPC, DOE, and 8D/root cause methods; strong leadership and cross-functional communication.

Responsibilities

• Develop, optimize, and qualify photolithography process steps (coat, expose, develop, bake).
• Own lithography quality indices (Line Yield, CD control, overlay, SPC).
• Lead troubleshooting of lithography excursions and drive corrective actions.
• Manage process docs, change control, and reticle specifications.
• Lead new lithography development for NPI/NPD projects; evaluate materials and recipes.
• Collaborate with Equipment, Yield, and Operations to meet targets.
• Drive LEAN-driven continuous improvement; maintain SPC records and train staff.
• Evaluate new lithography equipment or vendors; prepare technical reports.

Skills

Process engineering

Leadership

LEAN methodology

Cross-functional communication

Statistical Process Control

Education

Bachelor Degree in Electrical Engineering, Materials Science, Applied Physics, Chemical Engineering

Tools

Photoresist coat/develop track systems

Mask aligners/Steppers

CD-SEM/optical metrology

Exposure/develop process controls

Job description

DenseLight Semiconductors Pte Ltd is seeking a seasoned Photolithography Process Engineer to develop, optimize, and sustain lithography steps for compound semiconductor wafer fabrication. You will drive process stability, yield, and quality while guiding junior engineers and production staff.

You will own quality indices, lead troubleshooting and corrective actions, and collaborate with Equipment, Yield, and Operations teams to ensure schedules and targets are met.