About Us Over the past four decades, CTI has transformed from a modest construction testing and geotechnical engineering firm to a renowned comprehensive contractor. CTI delivers environmental, remediation, and construction services to diverse clients across the US, including Federal agencies, industrial partners, and State/Local Governments. CTI's journey showcases its a

We are currently seeking a Staff Scientist/Geologist to complete and support fieldwork in the Midwest and Great Lakes region with the potential for work throughout the US. Projects will include soil, sediment, soil gas, and groundwater remediation investigations and feasibility studies, site characterizations, and regulatory compliance support for commercial, municipal, a