The Sr Principal Product Engineer will work with foundry companies and their customers, providing foundry enablement solutions. They will be involved in chip-level physical implementation, reference flow validation, and design flow correlation. This role includes expertise in routing enablement (P&R techfile) and its validation. The engineer will be responsible for handling physical implementation, and P&R techfile-related issues between customers and R&D. They will also provide Cadence physical implementation tool solutions, work closely with customers, and interface with R&D to resolve technical issues.