No need to take a class. Find a project you want to do and a engineer/system admin who’s willing to mentor.

As someone who uses Debian everywhere - it’s just the opposite end of the spectrum from Arch for (non security) updates. Getting any OS into a bad state is trivial if your not paying attention. I still don’t understand why they make a rolling release version.

For highly technical users containers are going to do everything we need.

For non technical users who need separation, profiles are a standard known framework.

Depends on seat count. But even a “small” (the smallest bucket of seats is 500) on prem install of data center/confluence can be in 6 figures…

Hell. I’ll echo that but for senor operations types. Your who im looking for if you can function in 3+ different operating systems, understand (and can implement) dnssec, and design gitops workflows. Bonus points if you can explain SMTP to me.