Sr Staff QA Engineer at Dexcom leads Design Quality Engineering for material characterization, formulation science, and material-related risk management across product development and lifecycle management. The role requires deep expertise in characterizing complex material systems (polymers, enzymes, reagents, adhesives, coatings, membranes) and establishing traceability between material attributes, manufacturing processes, and finished device safety/performance.… Responsibilities include driving risk-based decision making using ISO 14971, overseeing qualification strategies, partnering with R&D and regulatory teams, and representing Design Quality in design reviews, audits, and regulatory submissions. Requires 8+ years in medical device, pharmaceutical, or biotechnology quality engineering with demonstrated experience in material characterization and design control processes.