Lead Systems and Tools Engineer Company: The Boeing Company The Engineering Test & Technology (ET&T) organization is seeking a Lead Systems and Tools Engineer to join our Supply Chain System & Tools team in Seattle, WA. ET&T Supply Chain leads the strategy and execution of procurement for ET&T. The largest internal customers are Boeing Test & Evaluation (BT&E) and Boeing Research & Technology (BR&T). ET&T Supply Chain System & Tools is responsible for developing the strategy and requirements f