He left the lawyer's office to work at the South Australian Register, making use of his training as an articled clerk to report on the Adelaide Supreme Court.
[citation needed] His first posting was to the then sparsely settled Port Pirie, followed by a parish in suburban Adelaide, then succeeded George Kennion as bursar of St. Barnabas' Theological College, serving for six years.
During this time that he contracted malaria, and was forced to seek a cooler climate, and in 1893 found his way to Hobart, Tasmania, as assistant-incumbent and canon of St David's Cathedral.
When Archdeacon A. N. Mason (c. 1837–1895) died, Whitington was appointed to take his place, holding the additional office of Vicar-General and Administrator of the Diocese of Tasmania in absentia Episcopi, serving for 30 years.
Tasmania may have a Just pride in one whose devotion, ability and far-reaching influence have made him a prominent figure well-known and honoured throughout the Australian Church.