Ameresco, Inc. (NYSE:AMRC) is a leading cleantech integrator and renewable energy asset developer, owner and operator. Our comprehensive portfolio includes energy efficiency, infrastructure upgrades, asset sustainability and renewable energy solutions delivered to clients throughout North America and Europe. Our solutions range from upgrades to facility's energy infrastructure to the development, construction and operation of renewable energy plants combined with tailored financial solutions. We foster an entrepreneurial, collaborative, and forward-thinking culture that thrives with innovation, diversity of thought, and inclusion. We are excited with all that the future holds for our industry, planet, and communities. Ameresco's Federal & Utility Solutions Team has a new opportunity for a Construction Estimator/Preconstruction Manager who will be responsible for all aspects of estimating large-scale complex energy generation and storage construction projects. This role is responsible for supporting the estimating activities associated with the preconstruction phase for multiple projects, including independent cost Estimates, rough order of magnitude estimates, constructability reviews, bid package development, logistics planning & development, value engineering, and other work related to design and construction management type contracts. Additionally, this individual will be called upon to solicit subcontractor and vendor participation in walkdowns, providing of ROMs, RFP responses, and management of RFIs during the bid process and may also manage the receipt of bids, post bid interviews, and award process. This opportunity is remotely based on the West Coast and will require travel as necessary to support the overall preconstruction requirements. Responsibilities: Strategically source, solicit, qualify, and select new subcontractors for implementation of projects and construction services in various markets across the U.S. as determined by project location, including meeting small business and minority participation goals. Assist in the development and preparation of the structuring and breakout requested in the pricing portion of RFP/RFQ proposals including pricing worksheets and forms. Ensure project development pricing complies with company, industry, trade, and jurisdictional safety, environmental, & quality standards, practices, codes. Perform project estimating activities to provide accurate estimates of material quantity take-offs and labor for all trade categories. Obtain bids from vendors and subcontractors by specifying materials; identifying qualified subcontractors; and negotiating price. Development of detailed Independent Cost Estimates (ICE) and Rough Order of Magnitude (ROM) cost estimates at all phases of design and preconstruction, including conceptual estimating requirements. These bids may be used as part of the proposal to clients or for comparison/justification of received subcontractor bids. Develop comprehensive time phased detailed General Conditions cost estimates based upon the project requirements. Coordinate estimates with the project engineering and development team, host customer, subcontractors, design engineers, state & local permitting authorities, local utilities, and construction management team bridging project development and construction execution activities. Attend and support design meetings with the project engineering and development team and design engineers to ensure estimate alignment with cost and budget. Review and turnover pricing assumptions, exceptions, clarifications, and remaining allowances/contingency carried over into the project budget with the project management team. Schedule, facilitate and lead pre-bid walks hosted by Ameresco, including facilitation of access requests, and preparing of attendance sheets and other associated documentation for an effective bid w