Senior Principal Photonic IC Design Engineer

Litrinium Pte; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Litrinium Pte in Singapore seeks a highly motivated Silicon photonic design engineer to develop next-generation optical interconnects for AI and data center applications. You will design, simulate, and validate photonic devices and circuits, taking products from concept to production.

The role requires hands-on PIC design, layout, and lab validation, with collaboration across packaging, electronics, and firmware teams to ensure system-level integration.

Qualifications

• MS/PhD in Electrical Engineering, Physics, Optics, or related field.
• Hands-on experience with PIC design and layout.
• Strong background in optical device physics and semiconductor fabrication.
• Familiarity with scripting/programming (Python, MATLAB, C++).

Responsibilities

• Design, layout and optimize photonic devices (lasers, modulators, detectors, waveguides).
• Perform simulations using industry-standard tools (Lumerical, Synopsys, COMSOL).
• Collaborate with packaging, electronics, and firmware teams to ensure system-level integration.
• Support prototype development, testing, and bring-up of photonic integrated circuits (PICs).
• Document design methodologies and contribute to IP development.

Skills

Leadership

Problem-solving

Independent worker

Multi-tasking

Communication

Python

MATLAB

C++

Education

MS/PhD in Electrical Engineering, Physics, Optics, or related field

Tools

Lumerical

Synopsys

COMSOL

Job description

Litrinium Pte in Singapore seeks a highly motivated Silicon photonic design engineer to develop next-generation optical interconnects for AI and data center applications. You will design, simulate, and validate photonic devices and circuits, taking products from concept to production.

The role requires hands-on PIC design, layout, and lab validation, with collaboration across packaging, electronics, and firmware teams to ensure system-level integration.