So first up, I would 100% ignore any null sec responses you get here. You are 1 day old, you need to find your way a bit before travelling out to the wild. Also you’ll miss out on the gradual progression of gameplay and you’d end up in some dark pocket of nullsec mining away without really knowing why.
Stick to starter systems and empire space for now. High sec to start with. Then once you’ve got a bit of experience try venturing into lowsec if it grabs at you.
It is of course you’re decision, but don’t rush this by going out to null sec - this is a slow burn game which you’ll get the most pleasure out of by finding your way at your own pace. Null, at this early stage, will probably turn you off.
With that in mind I would try Malevelon Roe Industries
They are high sec/low sec and predominantly do mission running BUT they do have a group for miners of varying levels of experience. I highly recommend you try them out. Discord is below:
Also if that doesn’t pan out, the post directly above mine is worth a go, even if they are Caldari !!