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Terracon Consultants, Inc.

Laboratory Technician In Training

  • Round Rock, Texas
  • Regular, Full time
  • Job ID 3493
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General Responsibilities:

Terracon Consultants, Inc. is seeking a motivated Construction Materials Technician In Training for our Round Rock laboratory. You will conduct compressive strength tests on concrete cylinders and cores, prepare and test soil and aggregate samples for proctor, Atterberg, sieve analysis, and bulk specific gravity procedures, and perform bulk specific gravity and absorption tests on asphalt cores. This role offers hands‑on experience with ACI and TxDOT testing protocols, mentorship from senior technicians, and a clear path for professional growth in geotechnical and materials engineering.

Essential Roles and Responsibilities:
  • Conduct compressive strength tests on concrete cylinders and cores per ACI standards.
  • Prepare soil and aggregate samples for D698, D1557, Tex‑113, and Tex‑114 proctor tests.
  • Perform Atterberg limits, sieve analysis, and bulk specific gravity tests on soil samples.
  • Run bulk specific gravity and absorption tests on asphalt core specimens.
  • Calibrate, maintain, and troubleshoot laboratory equipment in accordance with safety standards.
  • Document test results accurately, maintain laboratory logs, and input data into management software.
  • Assist senior technicians with sample collection, field data verification, and quality control.
  • Ensure all testing procedures comply with ACI, ASTM, and TxDOT guidelines.
  • Maintain a clean, organized, and regulatory‑compliant laboratory environment.
  • Participate in training sessions and pursue relevant ACI or TxDOT certifications.
Requirements:
  • Basic knowledge of concrete, soil, aggregate, and asphalt testing methods.
  • Ability to operate laboratory equipment safely and accurately.
  • Strong attention to detail and precise data recording skills.
  • Proficiency with Microsoft Office and laboratory data management software.
  • Effective communication and teamwork abilities.
  • Willingness to learn and obtain ACI or TxDOT certifications (preferred, not required).
  • Valid driver’s license and ability to travel to project sites as needed.
  • Commitment to safety protocols and quality‑assurance practices.
  • Flexibility to work varied hours to meet project deadlines.
About Us
Terracon is a 100 percent employee-owned multidiscipline consulting firm comprised of more than 8,000 curious minds focused on solving engineering and technical challenges from more than 200 locations nationwide. Since 1965, Terracon has evolved into a successful multi-discipline firm specializing in environmental, facilities, geotechnical, and materials services. Terracon’s growth is due to our talented employee-owners exceeding expectations in client service and growing their careers with new and exciting opportunities in the marketplace. Terracon was recognized as the #1 firm in Asbestos and Lead Abatement.

Terracon’s vision of “Together, we are best at people” is demonstrated through our excellent compensation and benefits package. Based on eligibility, role and job status, we offer many programs including medical, dental, vision, life insurance, 401(k) plan, paid time off and holidays, education reimbursement, and various bonus programs.
About the Team

The chemistry that holds our materials team together is made of integrity, creativity, and care. We represent Terracon’s largest technician and inspection workforce and ensure the materials used to build the nation’s roads, bridges, airports, stadiums, and other structures are safe and sound. With our broad range of qualifications, specialized certifications, and building materials professionals, we are on-site, evaluating and testing materials in real-time to keep the pace of our clients’ project, collecting and reporting data digitally to deliver critical insights. With our nationwide footprint of offices and laboratories, bench strength, flexibility, and diverse capabilities we identify issues and expedite solutions whenever problems arise.

EEO Statement Terracon is an EEO employer. We encourage qualified minority, female, veteran and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment, or any employee because of race, color, religion, national origin, age, sex, sexual orientation, gender identity, gender, disability, age, or military status.
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