Apple and Microsoft have their own courses, which give you a certification if you pass them. I could not find a definitive answer on whether Ubuntu Online courses, or any other Ubuntu training programs, exist.
Here on Ask Ubuntu there is a question about Ubuntu Certified Engineers, but that question and its answers haven’t been updated in years; they’re outdated. Even if they weren’t, they don't really answer my current question.
Is there a way to get myself certified as an Ubuntu Engineer or specialist, or for any other role?