I haven't come across this situation before but these are good, common sense, tips on what to do if a team member is working a second job. TL;DR it's nothing to do with you if it's not affecting their performance.
It shouldn't matter if people work multiple jobs. -Former VP of HR at Microsoft
Hacker News.
https://www.businessinsider.com/double-dipping-work-multiple-remote-jobs-is-okay-2023-11




