To advance from an Operations Manager to a Senior Manager of SRE, focus on gaining expertise in SRE principles, expanding technical knowledge, showcasing leadership skills, managing larger SRE teams, aligning SRE efforts with business objectives, and staying updated with industry trends.
If you are interested to get into this field then check out this video about Abhishek who switched his career with a 100% of salary hike just after completing Intellipaat's Advanced Certification in Cloud Computing and DevOps.