The Bruins will play 12 times at home (seven at Pauley, five at Wooden) and 16 times on television.
Ker takes over the full-time role previously held by Stein Metzger, who will focus solely on sand.
Alexa Dreyer joins a pair of freshmen and two transfers as UCLA newcomers for the 2015 season.
The Bruins will host SDSU on May 2 and travel to LMU and UCSB on April 25 and May 9.
Jordan Anderson (West Virginia) and Ryann Chandler (Pepperdine) will join the Bruins this spring.