To gain expertise for a senior-level role in GCP, focus on hands-on projects using advanced services, pursue GCP certification, engage in online courses, workshops, and webinars, collaborate with experts, contribute to open-source projects, and analyze real-world case studies.
If you are interested in getting into this field, then check out this video about how Nikhil achieved the career transition from Junior GCP Engineer to Senior Cloud Engineer just after completing the Google Cloud Platform (GCP) Certification Training Course from Intellipaat.