- How to Build a Successful Information Security Career (Daniel Miessler)
- The First Steps to a Career in Information Security (Errata Security - Marisa Fagan)
- Hiring your first Security Professional (Peerlyst - Dawid Balut)
- How to Start a Career in Cyber security
- How to Get Into Information Security (ISC^2)
- https://www.isc2.org/how-to-get-into-information-security.aspx
If people want to move, and the leads of those projects deem them qualified, there’s no reason not to allow this.
Deeming someone qualified is a pretty nuanced and difficult process. I wouldn’t expect all or even most temporary tech leads to get it right (or even be close) for a long time.