Atkinson will head a 13 strong team from across the region focusing on PR, analyst relations, investor relations and corporate social responsibility.
Atkinson has previously worked with Cisco, 3Com and CA's competitor BMC Software. Her first job will be to fill the vacant positions for comms managers in the UK and France, before embarking on a thought leadership campaign pitched at IT directors and chief information officers.
Nasdaq-listed CA is one of the world's largest independent software companies, it provides IT business services and security management.
In May, the firm brought in Chameleon PR to run its UK PR account.