AUBURN —  Jon Sirois of Gray was recently promoted to vice president at H.E. Callahan Construction Co., 2664 Turner Road. He will be in charge of the firm’s marketing and new project development in additional to his current role as project manager.

Sirois has been active in the construction industry for more than 10 years, managing employees and contracts in Maine, Washington, D.C., Virginia and Maryland.

He is a graduate of the University of Maine, a member of the Society of American Military Engineers, and holds Project Management Professional and Certified Professional Constructor certifications.

He will be managing the renovations and addition to the Bangor Public Library, of which H.E. Callahan was recently selected as the Construction Manager.