As a Product Support Engineer 4 within the Customer Support Business Group, you will serve as a technical backbone for field engineers and technicians. You will provide remote and on-site advanced support to analyze, troubleshoot, and manage tool-down escalations for semiconductor processing equipment in clean room environments. Your daily responsibilities include diagnosing complex electro-mechanical systems, computer systems, software, and networked or wireless systems while providing root cause analysis and performance improvement solutions. You will act as a subject matter expert, mentoring others and coordinating between customers and product groups to resolve technical issues. Required skills include interpreting electrical and mechanical schematics, utilizing data analysis tools, and mastering word processing and spreadsheet software. The role focuses on resolving critical equipment failures and ensuring the reliability of high-tech manufacturing systems through detailed problem statements and action plans.