To transition from an Azure Administrator to a Senior Azure Administrator, one should focus on advanced Azure proficiency, automation and scripting abilities, strong security expertise, resource optimization skills, and enhanced soft skills for effective leadership and teamwork in complex Azure projects.
If you are interested in getting into this field, then check out this video about Jagadesh Penakati and how he secured a Senior Azure Administrator job at Infosys with approx 175% salary hike just after completing Intellipaat's Advanced Certification in Cloud Computing and DevOps.