In the 1980s, Briggs spent two years working for the New Zealand Treasury. Between 2001 and 2004, Briggs was a Deputy Secretary in the
Department of Transport and Regional Services. In November 2004, she was appointed the Australian Public Service Commissioner. Then, from August 2009 to June 2011, Briggs was the Chief Executive to Medicare Australia. In 2012, she was appointed to lead an inquiry into building site safety in
Canberra, her report of the inquiry recommended many changes to ACT construction training, enforcement and culture. Briggs is currently a board member of the
Australian Rail Track Corporation. ==Awards==