Analysing seabed core samples preparatory to final design of an offshore concrete platform. Designing the 'power station' requirement and its control system for a floating production and storage system. Many university and college courses contain offshore related pathways or individual subjects. The basic requirements are a combination of accredited academic course plus workplace training plus professional experience. Communication and presentation skills are also important, likewise the ability to write a report, to negotiate a contract or the way a particular job should be done.
Computer applications are fairly widespread too.