/r/SonicShowerThoughts is a subreddit filled with the off-the-bulkhead ideas that have occurred to Trekkies when their minds are empty of more important issues. It's a collection of shower thoughts that don't get you wet.
Data's first job would indeed have been a data entry level position. His supervisor, likely a lieutenant, would have worked in data management.
There's great stuff in this subreddit. My favorite is about Barclay and The A-Team.