Ross has worked for MetService since February 1977 when he joined as a Meteorologist Trainee. Most of the time he worked as a forecaster in one or other of the disciplines: aviation, marine, public, warnings, analysis and prognosis. Ross has worked mainly at Kelburn, but has also worked at the Auckland City office and the Whenuapai office (both now no longer operational). He has had two secondments to the Fiji Meteorological Service: one in the early 1980s, and again in the late 1990s. Since 2002, his position has been Consultant Meteorologist.