Cleofe is a dedicated union official and is currently Branch Vice President and State Executive Board Member for the Australian Workers Union (AWU), South Australian Branch. Cleofe sits on the Local Government Income Protection Fund and the Local Government Research and Development Scheme as a committee member. She is also the Growth and Campaigns Official, representing workers in numerous industries, including agriculture, manufacturing and local government.

Before joining the AWU, Cleofe spent more than 12 years working in several industry sectors, including supermarket retail, hospitality, and the clerical industry. Cleofe has completed the RG 146 Superannuation course, financial duties of officers training, and governance training by the Registered Organisations Commission. Cleofe has a right of entry permit for WHS Entry (State and Federal) and is a recognised officer in the South Australian Employment Tribunal and Fair Work Commission.