No, no, you can buy local sim card, it is absolutely no problem. Beeline, Kcell or Tele2..
But I am more than sure that your Kazakhstani employer will provide you the corporate sim card, so you don't have to worry about it.
Bring basic medicine you used to take in the UK, cause here in Pharmacies people will get confused with International names of some specific medicines (even for headache we have our own).
May be a bit silly to mention this:)), but don't forget to bring this ... how to say.. adapter thing, which is used for electronic devices, that will switch the plug from UK standard into international.
