O'Dowd became a payroll clerk at Queensland Aluminium Limited (QAL) Gladstone. From 1970 to 1978 he worked on the construction of the
Bougainville Copper Mine in New Guinea. In 1978, he worked at the Gladstone seaport terminal within the fuel industry, until establishing his own
Mobil fuel distributorship in
Emerald in 1981, which he sold in 1988. He became partner of a Shell distributorship in 1988, which was sold ten years later. In 1998, O'Dowd bought and renovated a Rockhampton pub, renaming it O'Dowd's Irish Pub, which he sold in 2004. From 1998, onwards he operated Busteed Building Supplies. == Political career ==