SSH certificate access (recommended)
Issue a short-lived SSH certificate for this environment and connect through jump host.
ssh-keygen -t ed25519 -f ~/.ssh/msrs_98db77ea -C "lallero" msrs access issue-cert --env 98db77ea-b426-4ebf-9f3d-5530904afc1e --pub ~/.ssh/msrs_98db77ea.pub ssh -i ~/.ssh/msrs_98db77ea -J jump.aws.msrs.internal support@lallero-wan01-node-001.stub.msrs.internal