About Us

Green Mountain Engineering has been providing consulting engineering services since 1991. Our firm specializes in private and municipal water, wastewater, stormwater and sitework projects.

Alan Huizenga, P.E.


Alan has over thirty years of experience in the civil and environmental engineering fields.  His experience includes design engineering, permitting, project management, residuals management and site-planning.

From 1984 to 1994, Alan was first a design engineer, and then operations manager, for a branch office of a consulting engineering company.  Throughout this period, he was responsible for engineering designs, studies and permitting related to civil and environmental projects including water supply, wastewater treatment, storm water, solid waste management, transportation engineering, hazardous waste management and remediation, environmental site assessments, and environmental audits.  As a municipal engineer in New Jersey, Alan was in charge of both the design and review of projects related to subdivision and site planning. 

Alan worked for Green Mountain Engineering, Inc. from 1994 to 2000 as a project engineer and a project manager.  From 2000 to 2003 he was employed as Vice-President of a Vermont engineering firm in a similar capacity.  He returned as Vice-President of GME in 2003, as Managing Partner and Project Team Leader.  In May 2007, Alan became sole owner and President of GME.  Alan can be contacted at: ahuizenga@gmeinc.biz.

Brad M. Washburn, P.E.


Brad has over seventeen years of experience in the Civil and Environmental Engineering fields.  His professional experience encompasses many aspects of engineering and permitting for residential and commercial development, including stormwater design, finish grading, pavement design, traffic circulation analysis, Erosion Prevention and Sediment Control Plans, water and sewer design, and client representation at local and state review boards.  Brad also has been the project engineer for roadway reconstruction projects, gravel and rock extraction mining, hydraulic analysis and culvert design, on-site wastewater disposal designs, on-site water source development and municipal storm, water and sanitary sewer design. Since joining GME he has been the project engineer for multiple municipal water system improvements projects and site development projects. His technical skills include AutoCAD Civil 3d, Hydro CAD and Water CAD.

Prior to joining GME, Brad worked for two engineering consulting firms in Vermont as a project engineer.  Over the years, he has attended numerous continuing education courses and seminars to further his technical skills, particularly in the soil science, potable water treatment processes, wastewater treatment processes, and stormwater management practices. He is a Licensed Professional Engineer, Compliant with ANR Designer License, in the State of Vermont and a Certified Professional in Erosion & Sediment Control (CPESC). Brad can be contacted at:  bwashburn@gmeinc.biz.

Steven L. Palmer, P.E.


Steve has over thirty years of experience in the civil and environmental engineering fields covering hundreds of projects. His background spans both municipal as well as private industry and spans the full spectrum of engineering including design, permitting, project management and construction management. Prior to joining GME, Steve served as Vice President of Engineering, Construction and Maintenance for NG Advantage, LLC, a Vermont based compressed natural gas company. Prior to that he served for 10 years as the City Engineer/Public Works Director for the City of Winooski Downtown Redevelopment project, the largest urban redevelopment project in Vermont’s history.

He is a Licensed Professional Engineer, Compliant with ANR Designer License, in the State of Vermont and can be contacted at: spalmer@gmeinc.biz

Justin J. Brouillard


Justin joined the GME staff in summer of 2016. He is a graduate of Vermont Technical College with a Bachelors’ Degree in Sustainable Design & Technology; as well as an Associate’s Degree in Civil & Environmental Engineering Technology. His technical skills include resident engineering, surveying, AutoCAD design, and ArcGIS Mapping. Justin has experience as a resident engineer and office engineer on Vermont Agency of Transportation projects and as a design engineer in New York working on a site engineering team to complete site and grading plans, utility design, and storm water management and securing agency approvals. Justin can be contacted at: jbrouillard@gmeinc.biz.

Jacob D. Sprague


Jacob joined the GME staff in June of 2017. He is a graduate of the University of Vermont with a Bachelors’ Degree in Civil Engineering.  While there, he was a member of the Club Baseball Team. Since joining GME, Jacob has prepared a renewal application for the Town of Fairfax Solid Waste (bio-solids) Management Facility Recertification and provided resident engineering services for three projects in the Town of Middlebury, Vermont, including the Halpin Road Culvert Replacement Project and infrastructure improvement projects on North Pleasant Street, Chipman Hill and South Streets.  Jacob can be contacted at: jsprague@gmeinc.biz.

Benjamin P. Cayer


Ben joined the GME staff in August of 2015. He is a graduate of Vermont Technical College with a Bachelor’s Degree in Sustainable Development Technologies; as well as an Associate’s Degree in Civil/Environmental Engineering. His technical skills  include resident engineering, surveying,  AutoCAD design, and ArcGIS Mapping. He is currently the resident engineer for the East Main Street Waterline Replacement project in Richmond, VT. Ben can be contacted at: bcayer@gmeinc.biz.

Linda Spellman


Linda joined the GME staff in 2021. She has over 20 years experience in administrative and clerical support and book keeping, as well as customer service. Linda is responsible for financial record keeping and administrative duties of the firm, including customer reception, monthly client invoicing, and clerical and administrative support to staff members. Linda can be contacted at: lspellman@gmeinc.biz.