Concrete Laboratory Technician | Materials Testing

CTL Engineering is hiring a Concrete Laboratory Technician | Materials Testing!

CTL Engineering ( is an award-winning, full-service consulting engineering firm with (15) locations across OH, IN, WV, KY, NC, SC, and VA with a rich history over our (99) years in business. We provide civil/site design and land surveying, environmental, geotechnical, construction administration & inspection, accident reconstruction, roofing/building envelope, A/V system design, troubleshooting & installation, transportation design (bridge/roadway), and specialized testing services to the construction industry .

If you are passionate about staying ahead of industry trends, enjoy problem-solving, and have a n interest in construction materials testing, we want to hear from you!

This is more than a job posting ... it's an invitation to bring your expertise to a company where innovation and passion converge seamlessly.

Highlights :

• This role will be based out of our northern Cincinnati office location.
• Responsible for performing laboratory testing and analysis on concrete, asphalt, aggregates, and other construction materials to ensure compliance with industry standards and project specifications.
• Working in a controlled laboratory environment, the Concrete Lab Technician plays a vital role in ensuring accurate, high-quality test results that support infrastructure and construction projects.
• Responsible for preparing samples, operating and maintaining testing equipment, recording data, and assisting in maintaining laboratory organization and compliance.

Responsibilities :

• Perform routine laboratory testing on construction materials, including soil, concrete, and other construction materials following ASTM, AASHTO, and other applicable industry standards to ensure compliance with project specifications.
• Assist with sample preparation, handling, and proper storage, ensuring sample integrity, traceability, and adherence to laboratory protocols.
• Ensure that project testing requirements are met and in compliance with project specifications, requirements, and company policies and procedures.
• Accurately document and report test results, maintaining detailed, organized, and error-free records.
• Operate laboratory testing equipment.
• Follow strict safety protocols and laboratory procedures, including proper handling of materials and use of personal protective equipment (PPE).
• Communicate effectively with Lab Supervisors, Engineers, and field personnel, providing timely updates on test results, sample status, and any technical issues.
• Perform additional duties as assigned - i.e., supporting the laboratory team, Field Technicians, and project managers as needed.

Knowledge, Skills and Abilities :

• Knowledge of testing and inspection principles.
• Ability to follow standardized testing procedures, and a commitment to safety and quality assurance.
• Experience with materials and lab testing.
• Experience with standard testing and observation methods.
• Skill in lab reporting, writing reports and maintaining records
• Strong written and verbal communication skills.
• Ability to work in external environment conditions during difficult weather.
• Ability to provide status updates independently.
• Be quality-minded and client-focused.
• Commitment to workplace safety, following OSHA, company, and laboratory safety protocols, including the proper use of personal protective equipment (PPE).
• Basic computer proficiency, with experience in Microsoft Office (Excel, Word, Outlook) and Field Data Collection (FDC) software preferred.
• Ability to read, write, and interpret procedures, manuals, technical documents, and reports related to construction materials testing and laboratory protocols.
• Mathematical skills sufficient to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals.
• Effective verbal and written communication skills, with the ability to collaborate with colleagues, supervisors, field personnel, and clients to carry out instructions and report findings.
• Strong organizational, time management, and problem-solving skills, with the ability to manage multiple tasks efficiently.
• Detail-oriented and quality-focused, ensuring accuracy in sample preparation, testing procedures, and data documentation.
• Ability to work independently within the limitations of experience, using initiative to solve routine lab challenges.
• Ability to stand for extended periods of time and perform physically demanding tasks, including lifting and moving materials or equipment.

Minimum Qualifications :

• High school diploma or equivalent required;
  • Associate degree or technical coursework in Engineering, Geology, Construction Science, or a related field preferred.
• Previous experience in construction materials testing, geotechnical laboratory work, or a related field.
• Experience with concrete, asphalt, earthwork, and utility construction engineering services and inspection/testing.
• Experience with field and laboratory testing of soil, concrete, asphalt, aggregate, masonry.
• Preferred certifications: ACI Grade I, DOT Asphalt Tech, NICET Level II Soils, ICC Special inspections and/or CWI/NDT inspectors - good to have but not required.
• Must have a valid driver license and an acceptable driving record with the ability to travel to regional job sites as needed.

Benefits :

• CTL Engineering offers a competitive compensation and benefits package including medical, life, and disability insurance, paid time off, an award-winning ESOP ( Employee Stock Ownership Plan ), and a 401K plan.

CTL Engineering provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.