Yes, you can do that. But, it might be a mistake to wait too long if that is your real goal. Moreover, consider the issue of letters of recommendation that you might want from academics in a year or so. It would be good to find a way to stay in contact with your advisor and other professors who know about your work and can recommend you highly. You don't want them to have a cloudy memory of you when it comes time to ask.
One way to start out that continuing relationship is to tell them now that you will probably want their help in the future and ask them for any advice they might have. Make sure they understand your long term goal is to return to academia.
Moreover, keeping in contact is a good way to keep open the possibility of future collaboration and start to build your own circle.
I don't know of any field in which a postdoc is required per se. What is needed is a way to buffer from the job market and build a reputation so that you compete with others for open positions. You can probably achieve that with such a position.