Under terms of the first contract, CSC will provide SAP applications support services, including upgrade and maintenance work, for the organisation's Resource Management Information System, an enterprise resource planning application that manages critical business operations for the Western Australia Police.
The total estimated value of this contract is $15 million.
Under terms of the second agreement, the Western Australia Police Project Services Panel contract, CSC is one of two companies competing to provide infrastructure, applications development, systems integration and consultancy services.
The estimated value of this contract is $120 million.
"Being a large organisation both in terms of workforce and geographical responsibility, WA Police requires strong responsive support services in its resource planning and project management," said Tony O'Donoghue, chief information officer, Western Australia Police.
"We believe CSC can provide a significant contribution to maintaining flexibility in meeting the needs of the community and enhancing the efficiencies of our policing systems."
CSC will tailor a flexible staffing model specific to the requirements of WA Police, which covers an area of 2.5 million square kilometres, three regions, 14 districts and 162 police stations.
This model scales up and down and uses local police-cleared CSC staff as well as local providers including NGIS, Agile Computing, Trilogy Resources and Dialog.
"We are delighted to expand our relationship with the Western Australia Police and continue providing best practice project management," said Nick Wilkinson, president of CSC's operations in Australia.
"No matter what our clients' needs are or where they are based, CSC can deliver bespoke solutions tailored to help meet their objectives."
CSC clients in Western Australia include Western Power, Department of Defence, Western Australia Police, Alcoa, Landgate, Water Corporation, Newmont Mining, Department of Planning and Infrastructure, Department of the Attorney General, Woodside, BHP Billiton and Rio Tinto.