Foreign job offer and UK Tax?

Hi, I have been offered a position with a foreign company working in North Africa as a consultant for £100k a year on a monthly rotation. Being that I will work outside the UK, for a non-UK company, will I still have to pay tax here?
Background: I have a wife and couple of kids, house etc in the UK, I'll be travelling home after each trip so be in country approx 180 days a year.
Thanks,
Chipper