In some major oil companies the first few months may be set aside for intensive training. Career development Usually remain in a particular industry. Progression to senior technical positions or exploration management. Many move into consultancy, usually technical. The highest are in major oil companies with additional overseas allowances.
Some consultancies pay well too.
Varies depending on the employer and sector. In the oil industry overseas work and travel is common. Minerals work in the field may involve weekends, long hours and shiftwork when drilling. In the UK, mainly London and SE and Aberdeen. Positions worldwide for minerals.