Materials Lab Technician: Concrete and Aggregates Testing

Terracon; Saint Paul (MN); On-site; USD 42,000 - 66,000; Full time

Job summary

Terracon is seeking a Laboratory Technician in St. Paul, MN to join our Materials Science Laboratory. You will perform concrete and cementitious material testing, operate specialized instruments, and help generate data on material performance, quality, and durability.

The role offers growth within a 100% employee-owned organization. You will work with scientists, engineers, and technicians to support investigations and ensure safe, efficient lab operations.

Qualifications

• High school diploma or equivalent.
• 1–3 years of relevant experience or training.
• Interest in laboratory testing, analytical instrumentation, and construction materials.
• Ability to follow established procedures and maintain detailed laboratory records.
• Strong organizational skills and attention to detail.

Responsibilities

• Perform laboratory testing of concrete, cementitious materials, SCMs, aggregates, and related construction materials in accordance with established procedures and industry standards.
• Prepare, process, and document samples for laboratory testing and analytical evaluation.
• Operate, maintain laboratory equipment and analytical instruments used to characterize material properties and performance.
• Accurately collect, record, and organize laboratory data, observations, and test results.
• Support petrographic examinations, materials chemistry evaluations, and other laboratory investigations by preparing samples and assisting technical staff.
• Assist with the maintenance of laboratory equipment, inventory, and workspaces to ensure a safe, organized, and efficient working environment.
• Collaborate with scientists, engineers, geologists, and technicians on a variety of laboratory and consulting projects.
• Communicate testing progress, observations, and results effectively with project teams and laboratory staff.
• Follow quality, safety, and accreditation requirements, while contributing to the continuous improvement of laboratory procedures and operations.

Skills

Verbal communication

Written communication

Organizational skills

Detail orientation

Team collaboration

Education

High school diploma

Associate degree preferred

Job description

Terracon is seeking a Laboratory Technician in St. Paul, MN to join our Materials Science Laboratory. You will perform concrete and cementitious material testing, operate specialized instruments, and help generate data on material performance, quality, and durability.

The role offers growth within a 100% employee-owned organization. You will work with scientists, engineers, and technicians to support investigations and ensure safe, efficient lab operations.