RED CROSS INTERVIEW NEED UR ADVICE

I got invited for an inteview with international committee of recross for facilities maintenace engineer and am in need of advice on their recriument methods.
the notice was so short as the date is 4th of feb. in abuja and have to leave lagos for abj.

Is it really worth the stress and how much would they likely pay? pls i want to know.
what am i also to expect in the interview ?

Guys kindly assist if you have all the informations i needed.

thank you in anticipation of your reply.