1. First-class fire engineers are divided into: first-class registered fire engineer network security class, first-class registered fire engineer network off-duty class, first-class registered fire engineer network intensive class, first-class registered fire engineer security class and first-class registered fire engineer off-duty class.
2. Secondary fire engineers are divided into: secondary registered fire engineer network guarantee class, secondary registered fire engineer network full-time class, secondary registered fire engineer network intensive class, secondary registered fire engineer intensive class, secondary registered fire engineer guarantee class and secondary registered fire engineer full-time class.