Lab Quality Control Intern - Cement & Materials Testing

Capitol Aggregates, Inc; San Antonio (TX); On-site; USD 21,000 - 30,000; Full time

Job summary

Capitol Aggregates, Inc. is seeking a Laboratory Intern to work under the Chief Chemist, supporting testing, analysis, and research in cement manufacturing.

You will gain hands-on experience with raw materials, clinker, and cement characterization, and exposure to lab instrumentation and quality processes in an industrial setting. The role involves assisting with data collection, material characterization, and method development while learning testing procedures and safety practices within the

Qualifications

• Proficiency with Microsoft Office applications.
• Strong attention to detail with the ability to accurately collect, document, and maintain laboratory data.
• Strong analytical and problem‑solving skills.
• Ability to follow established laboratory procedures and testing methods.
• Strong organizational, planning, and time management skills.

Responsibilities

• Assist with laboratory projects involving the analysis of raw materials, clinker, and cement chemistry.
• Support the collection, documentation, organization, and entry of laboratory test data.
• Assist with the chemical and physical characterization of materials using laboratory techniques and instrumentation, including X-ray fluorescence (XRF), X-ray diffraction (XRD), and titration methods.
• Participate in laboratory testing and analysis to evaluate material composition, characteristics, and performance.
• Assist with pilot grinding experiments and associated chemical and physical characterization of materials.
• Support the development and evaluation of laboratory testing and analytical methods.
• Compile and organize test results and other laboratory information to support assigned projects.
• Work alongside the Chief Chemist and laboratory personnel to learn testing procedures, analytical methods, equipment, and quality practices used in cement manufacturing.
• Maintain laboratory work areas and equipment in a safe, clean, and organized condition.

Skills

MS Office

Attention to detail

Analytical skills

Laboratory methods

Team collaboration

Education

Bachelor's degree in Chemistry

Job description

Capitol Aggregates, Inc. is seeking a Laboratory Intern to work under the Chief Chemist, supporting testing, analysis, and research in cement manufacturing.

You will gain hands-on experience with raw materials, clinker, and cement characterization, and exposure to lab instrumentation and quality processes in an industrial setting. The role involves assisting with data collection, material characterization, and method development while learning testing procedures and safety practices within the