Jay Fayette is president and CEO of Burlington, Vt.-based contractor PC Construction. Fayette, who most recently served as PC’s president and chief operating officer, replaced interim CEO David Crawford. Fayette has led nearly $4 billion in projects at the firm, including a science technology, engineering and math complex at the University of Vermont and the NCAA Division I Wildcat Stadium at the University of New Hampshire.

Boston-based Shawmut Design and Construction created its first safety position at the executive leadership level. Shawmut promoted Shaun Carvalho to vice president of safety. Carvalho, who started his career as a site safety manager, previously served as the firm’s safety director. He will lead Shawmut in piloting and implementing programs and technologies to help promote safety. Carvalho has spearheaded the firm’s use of software platforms to help identify and document hazards in real time. He has also mobilized a task force in partnership with Blue Cross Blue Shield to tackle the opioid epidemic among craft workers.

South Coast Improvement Co. hired Grant Laliberte as its director of cost estimating. Laliberte comes to the firm from J Calnan & Associates. He will oversee the firm’s cost estimation services for new business proposals and for existing clients. Laliberte has worked on projects for MIT, Harvard University, Boston Harley Davidson, Mashpee Commons and Reebok.

The firm also promoted Gareth O’Neill to project executive. O’Neill has worked as a site supervisor, project manager and business development executive.

Danvers, Mass.-based Hancock Associates hired Kristan Farr as a project wetland scientist. She will assist in the preparation of applications for wetland permitting as well as research and wetland delineations in the field. Prior to joining the land surveying, civil engineering and wetland science services firm, Farr served as a planning/conservation agent for the town of Danvers. She has also worked as an energy and environmental planner for the Northern Middlesex Council of Governments and as a geographic specialist for the U.S. Census Bureau.

HNTB Corp.’s northern New England operations expanded with a new office in Concord, N.H. Paul Godfrey, a vice president at the firm, will serve as office leader. He will continue to run the firm’s Maine office, which he has led since last August. Prior to that appointment, he was transportation planning/traffic engineering department manager and operations manager in the Maine office. Godfrey has worked on several high profile transportation planning and design projects throughout Maine, New Hampshire, Rhode Island and Massachusetts, including serving as project manager for the Massachusetts Dept. of Transportation’s landmark South Station expansion program in Boston.

Alex Murray joined HNTB Corp. as a senior project manager in the firm’s Massachusetts transportation practice. Murray leads multidisciplinary teams working on roadway and bridge transportation projects, including design-build and environmental compliance issues for clients.