The Olen Corporation, one of the largest construction aggregates producer in the Midwest, has seven locations serving Central, Northeast, and Northwest Ohio. Setting the industry standard in quality and service, Olen mines and processes materials from natural sand, gravel, and limestone deposits and is an ODOT 1069 prequalified aggregates supplier. Job Description: The QC Technician is responsible for the testing of aggregate to ensure adherence to federal, state, and/or customer specifications. Assuring aggregates production process is within the specification guidelines. This position works with aggregate plant personnel, aggregate sales personnel, construction foreman, engineering and governmental agencies. This position is on a Night Shift Schedule Essential Duties and Responsibilities: Perform aggregate sampling, testing, and analysis. Responsible for keeping accurate records of testing results. Responsible for daily cleaning, maintenance and upkeep of laboratory and laboratory supplies. Complete governmental and customer reports for test results. Communicate testing results to the plant, sales personnel, construction personnel, and government agencies. Investigate customer complaints regarding discrepancies between test results and aggregate received. Other duties as assigned. Skills and Abilities: Knowledge of aggregate quality control data. Experience with aggregate lab equipment. Strong attention to detail. Knowledge of aggregate production process and stockpiling practices. Possess good mathematical skills. Must be capable of operating the assigned machine/equipment in a safe manner so as not to jeopardize their safety, the safety of others around him and all other related equipment. Must complete ODOT Level 1 and Level 2 certification. Physical Demands: Lifting aggregate samples +/-50 lbs. Ability to stand / walk +/-8 hours. Exposure to high heat, dust, and noise. Qualifications and Experience: ODOT Level 1 and ODOT Level 2 certified is preferred. High School Diploma. Microsoft Office applications. BENEFITS: Olen/Kokosing offers a competitive compensation and benefits package including medical, life, and disability insurance, paid time off and a 401K plan. Kokosing, Inc. is an equal employment opportunity/affirmative action federal and state contractor. The company does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected class.