Abu Dhabi can be a bit expensive if he has a family. Is this position a married position or as a bachelor? The salary is a bit low for the amount of time he has in the industry. We pay our unlicenced fitters more than that.
As to gamco being a bit of a bad place to work, I'm not sure first hand, but have heard many horror stories from people who have worked there, or still work there, and this is from both workers and management types.