I have more than 15 years experience on IT. During the last 12 years, I've been working with Unix environments.
But my experience covers a wide aspects of IT:
Full IT management for a five stars hotels chains.
ERP support for a high end IT manufacturer.
AIX 3rd. level support for one of the biggest worldwide multinational company.
Unix security project management for a Private Bank core application.
AIX Design and Architecture for one of the leading European companies in the Electricity and Transport sector.