Daren Harris, who worked for four years at Bailey before leaving this summer, joins as Byrne Group finance director.
He takes over from Philip Wainwright who in turn has left to join Willmott Dixon next month.
Reporting to Michael Byrne, group chief executive, Harris assumes responsibility for finance, information technology and company secretarial activities at Byrne Group companies.
Harris, a chartered accountant, has also held senior financial management positions with USA-owned defence contractor, Raytheon Systems and Serco.