Aim at automating something related to something you know very well, as an entry point. Your 20 year exp in IndustryX + a few techy skills could be super useful

Aim at automating something related to something you know very well, as an entry point. Your 20 year exp in IndustryX + a few techy skills could be super useful IMO. A few tech skills on their own will be a hard grind I'd guess, so try not change industry entirely.