You can also advertise for zookeeper or chef, but if you want people doing X, a good bet is to advertise for X.
I asked for alternative suggestions and offered what we use. If you have suggestions of alternative titles you've successfully used to hire without slowing things down I'm all ears.
> What's DevOps skills in your opinion?
The most important skill is knowing to not fall for the bait that is this question so that you can actually work.