Is it Time & Temp (2009)? Most time-travel RPGs are more-or-less serious takes on the idea, with the PCs being heroes or daring Time Agents and similar, but Time & Temp PCs are definitely under-appreciated and sub-heroic:
Employed by Marigold Staffing and working at Browne Chronometric Engineering, Inc., you travel through the ages actualizing solutions for the anomalies and paradoxes that threaten all of existence. You are reality’s only line of defense in the war between the rigidity of causality and freewill. And your only reward is the hard earned satisfaction of a job well done (plus $11.50 an hour and a modest health package including comprehensive immunizations for history’s most prolific diseases).
Time & Temp: Paperless Office Edition (read: “PDF edition”) is inexpensively available at DriveThruRPG and Indie Press Revolution.
It was also initially released in print (Time & Temp: Unbound Edition, a loose-leaf edition that looks like employee files), but I can't find evidence that it's still in-print.