Firm

Career Opportunities

Allied Engineering, Inc. (AEI) is a Maine Engineering firm who has been providing full-service, multi-discipline engineering to our clients throughout New England for more than 50 years. We are one of the first firms in Maine to offer full-service building commissioning.

Our ongoing success is based on our staff of professional engineers and technicians who understand the complexities of building design for new facilities and for renovation projects. Green building design is at the heart of our practice.

Our attention to detail and our in-house coordination of all engineering disciplines leads to award-winning projects and long-lasting client relationships both on a professional and a personal level.  Allied Engineering is a Woman-Owned Small Business (WOSB) as well as a Certified DBE firm through MaineDOT and the Commonwealth of Massachusetts.

“We are designing buildings that are durable and have a long-lasting positive impact on people’s lives.  These buildings need to stand the test of time.  We take that very seriously.”

Catherine Faucher, P.E., President

Allied Engineering, Inc. is led by five highly skilled professionals. They are well known in the A/E industry throughout Maine and New England.

Ian MacDonald, P.E., LEED AP, HCDP

Director of Mechanical Engineering

Ian MacDonald is a registered Mechanical Engineer and Principal at Allied Engineering with more than 20 years experience. Ian is a leader in designing complex HVAC and plumbing systems for large buildings. During his career his work has included buildings for healthcare, institutional, correctional and industrial uses throughout New England. He is experienced in traditional Design/Bid and Design/Build construction delivery methods. Ian’s early experience with equipment sales and installation provides him with a practical viewpoint on many operating systems. He completed the ASHRAE Professional Development Course on Building Commissioning and is a LEED™ Accredited Professional. Ian earned his Bachelor of Science in Mechanical Engineering Technology from the University of Maine. Ian is an ASHRAE Certified Healthcare Facility Design Professional (HCDP).