The last one, Focus, is very import. At school, I had time to think and work on two or three different stuff. When I was a junior 'developper' (basically I was

The last one, Focus, is very import. At school, I had time to think and work on two or three different stuff. When I was a junior 'developper' (basically I was developing filters to clean data to feed it to an OCR), I continued doing 2-3 different part at the same time. And then I kept doing it as a devops. This was a mistake. As a devops, you really have to be focused on your subject, you can't afford to half-ass your projects, and the scope is so large you will always forget important details if you continuously jump from project to project. Keep focus, takes notes (temporary or in comments). And communicate. The rest is easy