Job. Estimator. 481 Irmen Dr, Addison, IL 60101, USA. Full-Time. About The Job. Estimator. Hours – Monday - Friday Part Time - 30 hours per week or Full Time - 40 hours per week. Responsibilities And Duties Include But Not Limited To. Examine RFP’s from customers and any documentation to understand the project/proposal requirements. Communications with customers and employees within the office. Type up proposals and calculate cost, in Excel, for ...