Estimator, Environmental Services, Environmental Remediation, Construction Estimator, Field Estimator, Chicagoland Jobs, Building Systems, Residential Construction, Light Commercial Construction, Environmental Consulting, Abatement Services, Business Development, Client Relations, Remote Estimator, Chicago Environmental Jobs. As an Estimator – Environmental Services, you will serve as a key representative across the Chicagoland region, performing on-site assessments, developing project proposals, and helping expand the firm’s referral network throughout the local contractor and property services community.