what other DevOps at scale skills can I learn, and what my direction should be?

Need guidance from industry seniors, A little brief about my experience: I have 4 yrs of experience working as a DevOps Engineer, 2 yrs in an MNC, and 2 in a startup. I have worked with the usual stack: AWS, GCP, Terraform, Kubernetes, Observability, CI/CD, Security Tools (Trivy, SonarQube). I have done it all, from designing Infra, observability, IAC, and security, from scratch to implementation. Collaborating with Devs, identifying optimization opportuni