Auburn, ME – Harriman, a full-service architecture and engineering firm announced that John W. Tarr, P.E., has been promoted to associate principal.
Tarr recently rejoined the firm and is a senior electrical engineer in the firm’s Auburn office. He has over 25 years of experience.
As a registered Professional Engineer in Maine and New Hampshire, he has a wide range of experience in the design of interior and exterior lighting, power distribution, emergency power, fire protection, security, and communications systems.
He has worked with a diverse group of clients throughout his career including education, healthcare, corporate, municipal, government and retail sectors. Tarr previously worked for Harriman from 1987-2008
Harriman Promotes Tarr
Auburn, ME – Harriman, a full-service architecture and engineering firm announced that John W. Tarr, P.E., has been promoted to associate principal.
Tarr recently rejoined the firm and is a senior electrical engineer in the firm’s Auburn office. He has over 25 years of experience.

