Understanding CQE, DQE, SQE, and PQE Roles and Their Performance Metrics
This article explains the responsibilities of Customer, Design, Supplier, and Process Quality Engineers (CQE, DQE, SQE, PQE) in enterprise quality management, illustrates their actions with an electric‑vehicle brake‑system case, and presents detailed performance‑assessment matrices for each role, followed by a brief promotion of a DevOps certification program.