Aaron Callaghan will be in charge for the first time on Saturday as Carrick Rangers face Glenavon at home.
The 50-year-old, from Dublin, has managed in the League of Ireland with Athlone Town, Longford Town, Bohemians and UCD and started his managerial career as a player-manager for Crusaders.
His most recent position was as assistant manager to Roddy Collins at Waterford United.
Callaghan said: “I’m delighted to get the opportunity to manage Carrick Rangers.
“I would like to transfer the identity of the club onto a professional platform and I look forward to working with all key stakeholders to achieve this objective.
“It’s a league I have achieved great success as a player and a manager and I am confident of improving the current squad’s tactical, technical, psychological and physical abilities.”
Speaking about the appointment, club secretary David Hilditch added: “We hope Aaron’s appointment will bring stability to matters on the field and developing the club moving forward.
“There are various projects that will become apparent in the coming months and we hope that Aaron can play a major role in those.”
During his playing career, Callaghan spent 10 years in England.
A defender, he was capped for Republic of Ireland at under-21 level and also played with Shelbourne, St Patrick’s Athletic, Dundalk, Longford Town and Crusaders, where he won two league titles under Roy Walker.