Sr Staff QA Engineer at Dexcom leading Design Quality Engineering for material characterization, formulation science, and material-related risk management across product lifecycle. Responsibilities include establishing traceability between material attributes and device performance, leading qualification strategies for polymers, enzymes, reagents, adhesives, coatings, and membranes, applying ISO 14971 risk management, and partnering with R&D, Materials Science, Analytical Chemistry, Process Development, Manufacturing, and Regulatory Affairs.… Requires 8+ years in medical device, pharmaceutical, biotechnology, or combination product development with deep expertise in material characterization, analytical chemistry, and formulation development.