- Manage technical process interface with silicon vendors. - Work closely with suppliers on supplier silicon process issues and requirements.- Coordinate process transfers with IDMs and external foundry. - Participate in technology development, device engineering, and ongoing sustaining engineering activities within Hardware Technology. - Drive detailed investigation of root cause, and solutions to process/yield issues and its impact on high volume product production, performance and reliability. - Manage and mitigate technology risks for multiple projects in parallel. - Engage parties in decision making and drive to timely closure and thorough follow-through. - Build essential internal and external relationships across all levels (engineering to senior management) at suppliers and within Apple.- Use their interpersonal skills to engage at all levels of the supply chain from engineers to CEOs.