The 43-year-old returns to the Reds almost six years after leaving the club to move to America.
Beard originally joined LFC Women in 2012 and built a squad which won back-to-back Women’s Super League titles in 2013 and 2014. He also led the Reds in their first Champions League campaign.
After returning from his spell with Boston Breakers in the States, he enjoyed two years with West Ham United Women, including a run to the Women’s FA Cup final in 2019, before spending the last few months with Bristol City Women.