Principal Engineer, Quality Assurance Engineering

The System Application HDD Diagnostic Engineer is responsible for enterprise HDD system behavior, diagnostics, customer integration, and root‑cause analysis. This role partners closely with China‑based cloud, OEM/ODM, and hyperscale customers to ensure successful HDD qualification, debug complex system‑level issues, and drive improvements into product design and validation. Staff and Principal levels differ in technical depth, leadership scope, and strategic influence.

Essential Duties & Responsibilities

• Lead system‑level diagnostics for HDD functional, electrical, mechanical, firmware, and host‑interaction issues.
• Perform root‑cause analysis using SMART logs, protocol traces, system logs, error signatures, performance data, and platform‑dependent behavior.
• Act as primary technical interface for customer qualifications in China; triage and resolve customer‑reported issues end‑to‑end.
• Conduct speci...