Sorry for the blunt reply, there's plenty of contract work out there for someone like yourself with a lot of experience although terms and conditions is always subjective and depends on what you're used to.
JET2 are looking for tech service guys with experience if you fancy driving a desk for a bit - they're after 757 and 767 experience but you might be ok with just the 767. It's based in northern england.
Etihad are recruiting again although there aren't any engineering jobs on their site. I see you've worked for EK so you know there score there, same s**t different location!
I'm not allowed to direct link here but put "aviation job search" into google and theres a few B1/B2 jobs on there. Just watch out for the ones titled "Tropical location", you'll find yourself in deepest Africa not the Caribbean!!
Most Uk airlines are laying off not hiring but which is why i'm struggling to help much, your experience is very,very similar to mine and we both have types that are suited to larger legacy airlines or the ME new boys.
FlyBE are recruiting B1/B2 in Exeter, they don't fly any of the types you have and the wages aren't the best but it's an option email your cv to keely.webster AT flybe.com if you fancy it.
Not a lot of help I know but maybe some ideas you hadn't though of. If we were recruiting you're exactly the sort of person I wish we'd take on
