As a nuclear criticality safety engineer, your responsibilities include conducting research and evaluating methods of transportation, handling, and storage of nuclear fuel to prevent an accident such as a nuclear reaction. You study and review research on nuclear fuel characteristics and calculation documents, as well as conduct an analysis of fuel transfer and storage plans provided by nuclear plants. Other duties include identifying potential hazards and areas in a nuclear plant that may be violating regulations, designing new methods for transport or storage, preparing proposal reports describing your recommendations, and submitting these reports to the government review board.