Recently, Global Infrastructure Solutions Inc. (GISI), the parent company of The LiRo Group and Hill International, Inc. consolidated a portion of the highly experienced staff of both LiRo and Hill in the Northeast to create a larger, more efficient, and cost-effective team to serve clients. For Estimator: - Shall possess, at a minimum, four (4) years of experience respectively, in cost estimating, including the cost preparation/review of architectural, mechanical, electrical systems/components of building construction projects, along with the review/negotiation of cost proposals.