It's the first such event in the city since 2019.
Jobs Expo Cork will open at City Hall at 10am, with some of the country's largest employers seeking to recruit new staff in Munster.
Companies represented at the expo will include Johnson and Johnson, Stryker, Eir, the National Ambulance Service and the Irish Defence Forces.
The event is free of charge and will include seminars, career advice and CV tips.
People can register for free admission on jobsexpo.ie
