overemployed

adjective2

1. •
   Employed for more hours than full-time work.

   • Those working on a regular daytime shift, the vast majority of US workers, have a slightly raised likelihood of being overemployed compared to those working the evening shift (the reference group). — 2006
2. •
   Working multiple jobs at the same time, often without the knowledge of one's employers.

   • [Sarah] Murphy is one of the "overemployed"—employees secretly working more than one full-time job, aided by the rise of remote work ushered in by the Covid-19 pandemic. — 2022