One of the first steps you should take into account when thinking about relocating and working in the Netherlands is to make sure you obtain a BSN number (Burger Service Nummer). Your BSN number is your personal identification number, and everyone who lives in the Netherlands is required to have one. It allows you to: open up a bank account, and to pay your taxes over your income, which are essentials before starting employment.
Your BSN number also will enable you to be able to use the healthcare system, apply for benefits and declare any change of address.
It is important to note here that having a BSN number does not automatically grant expats the right to work in the Netherlands. Indeed, you might need to apply for a work permit as an extra step (this varies depending on your country of origin).