EMPLOYEE ACCESS Services Accreditations About Clients Careers Contact Are you looking for an outstanding opportunity? Careers We’re hiring people who share our values across all offices, disciplines and experience levels. CTL is committed to creating an inclusive employee experience for all. Regardless of race, gender, religion, sexual orientation, age, and disability. If you are interested and qualify for the open positions, please email your cover letter and resumé to info@chicagotestinglab.com. Current openings Laboratory Technician Position Requirements Valid driver’s license Occasional statewide travel Physically able to routinely lift 75 lbs. and occasionally lift 100 lbs. Steel toed boots Safety shoes for employees shall be a 6-inch or higher work shoe of sturdy construction and shall meet the requirements and specifications for ANSI Class 75 footwear or current ASTM Standard. Casual style footwear, such as canvas, sport, slip-on, tennis shoes and loafers, even though constructed with steel (or equivalent composite toe that meets the ANSI 75 Class or current ASTM Standards), are not acceptable. Working knowledge of basic computer skills (Microsoft Outlook, Word, Excel, and Access) ACI Concrete Field Testing Technician -Grade I certification (or may obtain shortly after hire) Position Desirables Mechanical aptitude Working knowledge of math including geometry Working knowledge of materials testing and laboratory testing equipment Ability to communicate effectively and follow oral and written instructions Resumés can be emailed to info@chicagotestinglab.com. Entry-Level Field Technician Resumés can be emailed to info@chicagotestinglab.com. Experienced Field Technician Resumés can be emailed to info@chicagotestinglab.com. © 2021 Chicago Testing Laboratory, Inc.

EMPLOYEE ACCESS Services Accreditations About Clients Careers Contact Let’s get started Warrenville 30W114 Butterfield Road, Warrenville, IL 60555 P: 630-393-2851 F: 630-393-2857 Eric Brown Director of Field Services Experience ebrown@chicagotestinglab.com Abdul Dahhan, P.E. VP of Engineering Experience adahhan@chicagotestinglab.com Steve Richter Director of Quality Control Experience srichter@chicagotestinglab.com Jeff Rothamer, P.E. Project Manager Experience jrothamer@chicagotestinglab.com Riyad Wahab, PhD, P.E. Senior Geotechnical Engineer Experience rwahab@chicagotestinglab.com Paul Yerkes VP of Technical Services Experience pyerkes@chicagotestinglab.com Join the team See job openings © 2021 Chicago Testing Laboratory, Inc.

EMPLOYEE ACCESS Services Accreditations About Clients Careers Contact Accreditations View current accreditation documents IRTBA Certificate of Sustainability View Updated January 1, 2019 AMRL Accreditation View Updated February 20, 2019 CCRL Accreditation View Updated March 16, 2017 U.S. Army Corps Accreditation View Updated July 19, 2018 Illinois Department of Transportation Accreditation View Updated March 14, 2018 Indiana Department of Transportation View Updated January 31, 2019 Indiana Department of Transportation Geotechnical Laboratories View Updated June 30, 2017 © 2021 Chicago Testing Laboratory, Inc.