Cement Materials Scientist: SCMs & Pozzolans Expert

RJ LEe Group; Pittsburgh (Allegheny County); On-site; USD 80,000 - 110,000; Full time

Job summary

RJ Lee Group in Pittsburgh, PA, is seeking a Cement Chemist to advance the Concrete Materials Department by applying cement chemistry, reaction mechanisms, and materials science.

This role emphasizes method development, client support, and expanding capabilities in natural pozzolans and SCMs, with collaboration across multidisciplinary teams to deliver innovative solutions for construction and infrastructure projects.

Qualifications

• BS, MS, or PhD in Geochemistry or Physical Chemistry required, with an MS or PhD in Materials Science, Civil Engineering, or a closely related field also acceptable.
• Minimum 5 years of experience in a cement, concrete, or construction materials laboratory, with a strong emphasis on chemical characterization and materials chemistry (industry, research, or academic setting).

Responsibilities

• Perform hands-on technical work to support and expand the Concrete Materials Department.
• Develop and validate analytical methods for cement, SCMs, and concrete materials.
• Provide expert guidance on the use and evaluation of natural pozzolans and supplementary cementitious materials.
• Apply principles of geochemistry and physical chemistry to interpret phase assemblages, reaction mechanisms, and material performance in cementitious materials.
• Independently manage research projects from planning through client delivery.
• Collaborate with engineers and manufacturers to develop innovative solutions.
• Communicate technical findings clearly to diverse audiences.
• Assist with business development and client engagement activities.
• Promote scientific integrity, compliance, and continuous improvement.

Skills

cement chemistry

hydration mechanisms

SCMs

pozzolans

Education

Geochemistry/Physical Chemistry advanced deg.

Materials Science/Civil Engineering advanced deg.

Job description

RJ Lee Group in Pittsburgh, PA, is seeking a Cement Chemist to advance the Concrete Materials Department by applying cement chemistry, reaction mechanisms, and materials science.

This role emphasizes method development, client support, and expanding capabilities in natural pozzolans and SCMs, with collaboration across multidisciplinary teams to deliver innovative solutions for construction and infrastructure projects.