Our People

Sean Gillis

Project Engineer
E: sgillis@c3boston.com
T: 617.330.9390

Sean joined the C3 commissioning team as a mechanical engineer in 2019 as his first job out of college. Since then, he has expanded his knowledge and experience working on a variety of commissioning projects, energy audits, smoke control tests, and commercial mechanical systems. His responsibilities comprise all aspects of commissioning building, including commissioning plans and schedules, pre-functional and functional testing, and generating final reports to ensure energy-efficient operation of mechanical systems.

Sean holds a Bachelor of Science in mechanical engineering from Worcester Polytechnic Institute.

In his free time, Sean enjoys staying active with friends, playing basketball, street hockey, or pitching for his men’s league softball team.