Construction Materials Technician

Corsair Consulting, LLC; Leander (TX); On-site; USD 32,000 - 52,000; Full time

Job summary

Corsair Consulting, LLC, a geotechnical and civil engineering firm based in Austin, Texas, seeks a Construction Materials Technician for a full‑time, on‑site role in Leander. You will perform field and laboratory testing of soils, aggregates, concrete, and asphalt to verify compliance with project specifications and industry standards.

Responsibilities include collecting samples at job sites, conducting tests, recording data, and communicating results to project managers and engineers while

Qualifications

• Foundational knowledge of construction materials including soils, concrete, asphalt and aggregates.
• Ability to perform standardized field and lab tests and document procedures accurately.
• Strong attention to detail, data recording, and organization for logs and reports.
• Capacity to work safely in outdoor construction environments and lift materials/equipment.
• Effective communication with engineers, project managers and construction personnel.

Responsibilities

• Collect samples at job sites for testing.
• Conduct standardized tests on soils, aggregates, concrete and asphalt.
• Record and organize test data and prepare simple reports.
• Communicate results to project managers and engineers.
• Maintain testing equipment and follow safety procedures.

Skills

Soil testing

Concrete testing

Field testing

Data recording

Safety awareness

Communication

Education

High school diploma or equivalent

Technical coursework or certification in construction materials testing

Tools

Test equipment operation

Job description

Company Description

Corsair Consulting, LLC is a locally owned Geotechnical and Civil Engineering consulting firm based in Austin, Texas, founded in 2012 by three experienced consulting professionals with over 75 years of combined expertise in engineering, materials testing, and inspection. The firm has grown to a staff of about 50 team members, including a strong group of geotechnical engineers supporting a wide range of projects. Corsair provides hands‑on principal involvement, ensuring clients receive direct, technical guidance on public and private projects in industrial, transportation, infrastructure, defense, and energy sectors. The company emphasizes exceptional service, technical excellence, and long‑term client relationships. As a certified Asian DBE, MBE, and HUB firm, Corsair offers added value to clients while focusing on performance and quality rather than certification alone.

Role Description

The Construction Materials Technician role is a full‑time, on‑site position based in Leander, TX. This role is responsible for performing field and laboratory testing of construction materials such as soils, aggregates, concrete, and asphalt to verify compliance with project specifications and industry standards. Day-to-day tasks include collecting samples at job sites, conducting standardized tests, recording and organizing test data, and communicating results to project managers and engineers. The technician will support quality control and quality assurance efforts, assist with inspection activities, and help identify any issues that may affect construction performance or safety. The role also involves maintaining testing equipment, following safety procedures, and working collaboratively with contractors, engineers, and other team members in the field.

Qualifications

• Foundational knowledge of construction materials, including soils, concrete, asphalt, and aggregates, and an understanding of basic geotechnical and civil engineering principles.
• Ability to perform standardized field and laboratory tests (e.g., concrete cylinder and slump tests, soil density and moisture tests) and accurately document test procedures and results.
• Strong attention to detail, data recording, and organizational skills for maintaining logs, reports, and project documentation.
• Capability to work safely in outdoor construction environments, including lifting materials and equipment, standing for extended periods, and following safety protocols.
• Effective communication skills for interacting with engineers, project managers, and construction personnel, and for reporting findings clearly and professionally.
• Basic computer skills for entering data, preparing simple reports, and using standard office and project‑related software.
• High school diploma or equivalent required; technical coursework or certification in construction materials testing or related fields is preferred.
• Valid driver’s license and reliable transportation for travel to and from job sites in the Leander and greater Austin area.
• Prior experience in construction materials testing, inspection, or laboratory work is beneficial but motivated