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About the Role

ECS Limited is offering a unique opportunity for a talented and certified Construction Materials Testing (CMT) Senior Soils Laboratory Technician to join our Austin team. In this role, you'll collaborate and develop with experienced professionals to safely perform a variety of tasks in our concrete and soils laboratories.

Responsibilities

• Perform specific tasks of increased complexity associated with conducting laboratory testing on construction materials for various projects under the supervision of lab leadership.
• Assist in preparation for and demonstrations of testing procedures.
• Train and mentor other lab technicians.
• Conduct routine laboratory tests using various methodologies and testing equipment following industry standards and compliance.
• Assist with tasks to maintain laboratory organization and cleanliness in compliance with Quality Assurance (QA) and Quality Control (QC) initiatives.
• Maintain accreditation compliance with various organizations, including DOT, AMRL, CCRL, and AASHTO.
• Perform calibration and maintenance of laboratory equipment following the manufacturer’s schedule and records.
• Notify supervisor of broken or missing equipment.
• Conduct routine laboratory tests for soils including Atterberg limits, gradation analyses, swell testing, moisture content testing, unconfined compressive strength testing, standard and modified proctor testing.
• Begin learning how to visually classify soils.
• Perform calculations and data reduction based on interpretations of test results.
• Document results accurately using laboratory software.
• Prepare reports and summaries.
• Complete additional administrative tasks as requested.
• Enhance professional skills.
• Participate in and advance in internal and external training programs and certification opportunities provided by ASTM or other organizations.

Requirements

• High school diploma or GED.
• 2 years of experience.
• Must have and be willing to maintain laboratory certifications for concrete, soils, or both depending on where work is performed.
• Must be able to lift a minimum of 75 pounds.
• Willing to continue to enhance knowledge of CMT laboratory equipment, testing methods, and ASTM laboratory standards, leading to certifications in soils, concrete, or both with NICET, WACEL, or other organizations.
• Strong data interpretation and documentation skills.
• Strong communication skills (speaking, reading, and writing).
• Ability to work effectively with peers and supervisors.
• US Military ranks E-4/E-5 will qualify IF they also meet the education and certification requirements.

Skills

• Concrete laboratory testing
• Soils laboratory testing
• Atterberg limits
• Gradation analyses
• Swell testing
• Moisture content testing
• Unconfined compressive strength testing
• Standard proctor testing
• Modified proctor testing
• Visual soil classification
• Data interpretation
• Data documentation
• Laboratory software
• ASTM laboratory standards
• NICET
• WACEL

Location

• Austin

Work Type

• Full-time

Experience Level

• Senior
• 2 years of experience

Education Level

• High school diploma or GED

About the Company

• ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting.
• Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services.
• We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast.
• ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025).
• For additional information about ECS, visit: www.ecslimited.com.

Equal Opportunity

• ECS is an Equal Opportunity Employer.