Platform engineering is the discipline of designing and building toolchains and workflows that enable self-service capabilities for software engineering organizations in the cloud-native era.

Platform Engineering

Assuming you mean career framework you can look at these: <https://dropbox.github.io/dbx-career-framework/> - The SRE framework can probably easily adapted. What is impact is also a good read

when we designed these we wanted to move away from
check lists - they are geared towards providing a north star and ensuring managers have real conversations 

The gitlab one is also a good frame of reference <https://about.gitlab.com/handbook/engineering/career-development/|https://about.gitlab.com/handbook/engineering/career-development/>