Nick Fletcher due to start in the role in December 2017
Lagan has recruited Nick Fletcher from Morgan Sindall as its new chief operating officer.
He is expected to start the role in December 2017.
Fletcher is currently managing director of infrastructure at Morgan Sindall and previously worked at Laing O’Rourke as managing director of its Ireland business and infrastructure operations director.
He was employed by Lagan between 2000 and 2007 as managing director of its Charles Brand subsidiary.
Chief executive Kevin Anthony Lagan said: “Nick brings with him incredibly strong knowledge and experience, which will help him play a key leadership role in Lagan Construction Group’s senior executive team and on the group board.
“It is an additional benefit that, through his previous experience, Nick understands our business and shares our culture and values.”