To become a certified Azure Administrator, you should be skilled in tasks like managing resources, setting up networks, keeping things secure, and solving issues in Microsoft Azure. It's important to have hands-on experience and pass a specific Microsoft certification exam. This shows you're knowledgeable and capable in these areas.
If you are planning to pursue a career in this field, then I would suggest you check out this video about Sadanand and how he grabbed a job as Azure Administrator with a good hike just after completing Microsoft Azure Certification Master Training from Intellipaat.