The Sr Supplier Quality Engineer at Illumina is responsible for ensuring supplier quality and compliance with regulations, quality policies, and product requirements. This role involves selecting new suppliers, leading qualification activities, participating in new product development, driving process improvements, updating purchasing control procedures, and providing quality assurance expertise. The engineer will also lead qualification activities, maintain goals and metrics, conduct supplier audits, investigate failures, and work with strategic partners. The position requires strong communication, project management, and problem-solving skills. Responsibilities include collaborating with cross-functional teams, managing change, and mitigating risks. The role also involves a certain percentage of travel.