How long did it take before you felt comfortable and up to speed in your job?

Context: I've been a data scientist for about 10 years now and have onboarded with many companies. 3 of these years were spent working as a consultant where I was, in a sense, constantly onboarding to external client's projects.

I recently started a new data science position and feel I'm no more better off than day 1. The company's infrastructure is a mess and I'm still clueless as to where all the data is and how I can contribute. The …

client companies consultant context data datascience data scientist felt job onboarding projects sense speed you