Lead Optical Transceiver R&D Engineer (1.6T+)

HyperLight Corporation; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive compensation and benefits

Mentorship opportunities

Job summary

HyperLight is seeking a hands-on Transceiver R&D Engineer in Singapore to own the design, characterization, and qualification of advanced optical transceiver reference designs. You’ll work across firmware, DSP, optics, and hardware to ensure QSFP/OSFP-based transceivers meet performance and interoperability requirements.

Responsibilities include test plan execution, module bring-up, and collaboration with firmware amid strict compliance testing; you will drive root‑cause analysis and

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering, Physics, or a related field.
• 5 to 12+ years of relevant experience in high‑speed optical transceiver testing and/or design (>400 Gbps).
• Experience with Datacom and/or Telecom transceivers.
• Hands‑on experience with QSFP and OSFP form factors.
• Solid understanding of PAM4, TDECQ, BER, OSNR, jitter, eye diagrams, and receiver sensitivity.
• Proficiency with lab equipment — oscilloscope, DCA, BERT, OSA, VNA, etc.
• Strong debugging skills and a methodical approach to troubleshooting.
• Clear communicator, able to articulate issues and solutions across teams.

Responsibilities

• Define and execute test plans for optical transceivers (IMDD and/or coherent).
• Characterize transceiver performance for >1.6T modules — BER, eye diagrams, SNR, OSNR, TDECQ, OER, OMA, receiver sensitivity, latency, and more.
• Validate TFLN modulator-based transceivers across electrical, optical, and thermal domains.
• Bring up and debug QSFP/OSFP transceiver modules.
• Collaborate with firmware and DSP teams to tune system performance.
• Support compliance testing (IEEE, OIF, CMIS).
• Analyze failures, drive root‑cause resolution, and recommend design improvements.

Skills

PAM4 knowledge

BER/OSNR understanding

Eye diagrams

Oscilloscope use

Debugging

Cross-functional collaboration

Education

Bachelor’s or Master’s degree in Electrical Engineering, Physics

Tools

QSFP/OSFP hardware

Job description

HyperLight is seeking a hands-on Transceiver R&D Engineer in Singapore to own the design, characterization, and qualification of advanced optical transceiver reference designs. You’ll work across firmware, DSP, optics, and hardware to ensure QSFP/OSFP-based transceivers meet performance and interoperability requirements.

Responsibilities include test plan execution, module bring-up, and collaboration with firmware amid strict compliance testing; you will drive root‑cause analysis and