As you are a fresher in the technical world, you can start from anywhere where you get some interest. It can be in the Machine Learning world or DevOps world or Cloud world etc. Every company works in different domains and accordingly they hire people.
But as we are moving in the automation world, every company also wants to automate their tasks to work more efficiently. So in the current market, there may more requirements of DevOps engineer. But DevOps is not a small field. There are lots of tools available starting from testing tools, deployment tools, CI/CD tools, monitoring tools, etc.