Pierce

From Memory Alpha, the free Star Trek reference

You may also be looking for Lieutenant JG Walter Pierce.

Crewman Pierce was a 22nd century Earth Starfleet engineer assigned to Columbia under Captain Erika Hernandez.

Pierce was assigned by Chief Engineer Trip Tucker to work with Biggs in recalibrating the field stabilizers in order to assist getting the Columbia's field matrix down to 0.3 microns. (ENT: "Affliction")

Pierce was played by an unknown actress.