As a Nuclear Engineer, you will need to master following:

• design strategies for nuclear emergencies
• engineering processes
• follow nuclear plant safety precautions
• mechanical engineering
• mining, construction and civil engineering machinery products
• nuclear legislation
• nuclear physics
• radioactive contamination

More generally, a nuclear engineer is also versed in:

• adjust engineering designs
• approve engineering design
• calculate exposure to radiation
• calibrate precision instrument
• civil engineering
• contamination exposure regulations
• develop radiation protection strategies
• electric generators
• engineering principles
• ensure compliance with environmental legislation
• ensure compliance with radiation protection regulations
• ensure compliance with safety legislation
• mechanics
• metrology
• monitor nuclear power plant systems
• nuclear energy
• nuclear reprocessing
• perform risk analysis
• perform scientific research
• radiation protection
• technical drawings
• thermodynamics
• use technical drawing software

It also helps to know the following:

• design power plant systems
• develop strategies for electricity contingencies
• ensure equipment cooling
• respond to nuclear emergencies
• automation technology
• design automation components
• electrical power safety regulations
• electricity consumption
• maintain nuclear reactors
• monitor radiation levels
• resolve equipment malfunctions
• test safety strategies
• wear appropriate protective gear