The jobs on offer are coach and bus drivers, driver guides, promotional and sales staff, and digital marketing executives.
The group are holding a recruitment fair on Saturday in the Gresham Hotel between noon and 5pm.
A spokesperson for Dualway said staff are looking forward to welcoming tourists home and showing them the best that Dublin and the country has to offer.
"Our plans for 2013 are very exciting, we hope to bring new products to the market and cater for the many tourists to visit our shores as part of the Gathering," they added.
The Dualway Group operates the world renowned CitySightseeing tour in Dublin, along with many day tours.
Friendly, success-oriented people with strong customer service skills are invited to attend and a second language is an added advantage.