I have had experience from my former company with multiple positions in TM to S3. My current employer has one to one positions and we are currently looking at changing to multiple positions too. I know it can be done and if anyone has questions please let me know.
I hope you don't mind I would like to piggy-back on your question and throw this out there on this topic as related to Payroll--I'm mainly HR. How does Payroll handle multiple W4s for multiple positions? We have doctors that are in two positions, but the positions report in different companies and EINs.
Thanks,
Keiko