Elizabeth Ennis, P.E., SITES AP, ENV SP, is a Senior Civil Engineer at AECOM, a position held since October 2025. Prior to this role, Elizabeth served as a Project Manager at Apex Companies and Environmental Partners from August 2024 to October 2025. Elizabeth's extensive experience includes tenure as a Senior Engineer at BL Companies from October 2020 to August 2024 and as a Senior Civil Engineer at Beals and Thomas, Inc. from April 2017 to September 2020. Previous positions include Project Manager at Graves Engineering, Inc. and Project Engineer roles at C & E Engineering Partners, Kleinfelder, and Lenard Engineering, Inc. Earlier experience includes working as an Engineer at Tata & Howard, Inc. Elizabeth holds both a Master of Science in Environmental Engineering and a Bachelor of Science in Civil Engineering from Worcester Polytechnic Institute, completed in 2003 and 2001, respectively.
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