Hyperscale Optical Transceiver Application Engineer

Vital Materials Co., Limited; Cupertino (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Vital Materials Co., Limited seeks an Application Engineer for High‑Speed Optical Transceivers to help hyperscale customers evaluate, test, and deploy products for AI data center applications. You’ll diagnose issues, coordinate interoperability testing, and translate requirements into engineering feedback.

You will be the technical front line, collaborating with Sales and Product Director to ensure evaluation-to-pilot-to-deployment success and to drive continuous improvement in lab processes.

Qualifications

• 5–10 years of experience in optical networking, data center optics, high‑speed links, transceivers, or related test/validation/field application engineering.
• Strong understanding of high‑speed optics/transceiver systems and standards, including concepts such as link budgets, BER, signal integrity, and optical/electrical performance metrics.
• Hands‑on experience with lab equipment and testing workflows relevant to transceiver evaluation.
• Ability to write clear technical documentation and communicate effectively with both technical and non‑technical stakeholders.
• Comfort working in cross‑functional settings with Sales and product/engineering teams.

Responsibilities

• Establish and maintain suitable evaluation and test capabilities in Bay Area office to support product evaluation and customer demonstrations
• Support customer optical transceiver evaluations with hands‑on technical assistance (bring-up, configuration, verification, and troubleshooting).
• Plan and execute interoperability and acceptance test activities (as defined by customer and internal test plans).
• Coordinate lab work and testing logistics with internal engineering teams (hardware/firmware/systems/test).
• Analyze and debug link performance issues (e.g., BER/eye/constellation, signal integrity, thermal/power behavior, error patterns).
• Prepare technical documentation for customers and internal teams: test reports, procedures, troubleshooting notes, and results summaries.
• Support pre‑sales and post‑sales technical engagements alongside Sales (technical demos, technical Q&A, evaluation support).
• Act as a technical translator between customer needs and product/engineering: capture requirements, document gaps, propose mitigations.
• Support RF/optical/DSP configuration guidance (where applicable) and ensure customer setup aligns with product operating conditions.
• Contribute to continuous improvement of evaluation/test processes and customer success playbooks.
• Participate in customer escalations when deeper technical root‑cause work is required.

Skills

Optical networking

Data center optics

Transceiver systems

Lab equipment

Technical documentation

Cross-functional collaboration

Education

PhD preferred

Tools

Test equipment

Job description

Vital Materials Co., Limited seeks an Application Engineer for High‑Speed Optical Transceivers to help hyperscale customers evaluate, test, and deploy products for AI data center applications. You’ll diagnose issues, coordinate interoperability testing, and translate requirements into engineering feedback.

You will be the technical front line, collaborating with Sales and Product Director to ensure evaluation-to-pilot-to-deployment success and to drive continuous improvement in lab processes.