The member for Batman, a Victorian electorate, Ferguson was previously the shadow minister for transport and infrastructure.
Senator Chris Evans, who was Labor's shadow minister for resources and energy before the election last weekend, has been given the immigration and citizenship portfolio.
Kim Carr has been appointed the minister for innovation, science, industry and research while the environment portfolio has been split into two. Peter Garrett will be the minister for the environment, heritage and the arts, while Penny Wong is the new minister for climate change and water.
Deputy Prime Minister Julia Gillard is now the minister for education, employment and workplace relations.
The Liberal Party, now in opposition, has officially given Brendan Nelson the top job while Western Australia's Julie Bishop is the new deputy leader.