McDowell has risen through the ranks since joining Kier in 2013 from Miller Group.
Then as a contracts manager at Kier he was responsible for the successful delivery of several prestigious projects, including a award-winning schools and heritage facilities.
Brian McQuade, managing director of Kier Construction Scotland and North East, said: “Phil’s talents were recognised through his ability to effectively deliver key projects in a collaborative manner with external and internal stakeholders.
He is a huge asset, not only to Kier Construction, but to the various clients, consultants and suppliers that he works in partnership with.”
McDowell said: “It’s an exciting time for Kier Construction as we continue to operate effectively in our chosen markets and have recently secured over £100m of new contracts in our business unit in the last few months alone and I look forward to working with the Board and teams across this country to deliver this pipeline of work.”