Senior Laboratory Technician

Responsibilities

• Performs laboratory testing on construction material samples
• Applies standard and advanced testing procedures in accordance with established methods (e.g., ASTM standards)
• Interprets test data and prepares summaries or reports under the direction of the Laboratory Manager
• Supports advanced testing activities under the guidance of senior staff
• Performs soils laboratory testing including but not limited to:
• Atterberg limits
• Gradation analyses
• Swell testing
• Moisture content testing
• Visual classifications (begin to learn)
• Unconfined compressive strength testing of soil and rock
• Performs concrete laboratory testing including but not limited to:
• Stripping and labeling samples
• Setting samples for curing
• Making daily temperature logs
• Breaking of samples
• Calculations and data reduction of test results and other administrative duties, as appropriate
• Maintains a clean and organized laboratory in compliance with QA/QC and accreditation requirements (e.g., DOT, AMRL, CCRL, AASHTO)
• Performs calibration and maintenance of laboratory equipment and maintains records
• Notifies supervisors of damaged or missing equipment
• Prepares for and supports external audits and assessments
• Trains and mentors junior laboratory staff
• Affords occasional fieldwork as needed

Requirements

• High school diploma or GED required
• Basic certifications and one additional certification (three total) as per the ECS Technician Certification Policy
• If work is performed in both soils and concrete labs, certifications are required for both laboratories
• Other certifications, such as NICET Soils I/II/III, WACEL Soils/Concrete and Laboratory, and others, are a plus
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
• 2 years of related experience
• Strong communication and basic math skills
• Attention to detail and accuracy in data recording and reporting
• Dependable, self-motivated, and responsible work ethic
• Strong working knowledge of laboratory equipment and testing methods
• Proficiency in performing tests in accordance with ASTM standards
• Proficiency with computers, including Microsoft Word and Excel
• Experience using laboratory software systems (e.g., Breakpro or Keylab)

Qualifications

• High school diploma or GED required
• Basic certifications and one additional certification (three total) as per the ECS Technician Certification Policy
• If work is performed in both soils and concrete labs, certifications are required for both laboratories
• Other certifications, such as NICET Soils I/II/III, WACEL Soils/Concrete and Laboratory, and others, are a plus
• If driving for or on behalf of any ECS subsidiary, a valid driver's license is required
• 2 years of related experience
• Strong communication and basic math skills
• Attention to detail and accuracy in data recording and reporting
• Dependable, self-motivated, and responsible work ethic
• Strong working knowledge of laboratory equipment and testing methods
• Proficiency in performing tests in accordance with ASTM standards
• Proficiency with computers, including Microsoft Word and Excel
• Experience using laboratory software systems (e.g., Breakpro or Keylab)

Skills

• Strong communication and basic math skills
• Attention to detail and accuracy in data recording and reporting
• Dependable, self-motivated, and responsible work ethic
• Strong working knowledge of laboratory equipment and testing methods
• Proficiency in performing tests in accordance with ASTM standards
• Proficiency with computers, including Microsoft Word and Excel
• Experience using laboratory software systems (e.g., Breakpro or Keylab)

Benefits

• Opportunities for growth in this role with additional incentives as you advance your skills and gain experience
• Encourages participation and advancement in internal and external training programs and certification opportunities provided by ASTM or other organizations

Pay

Details on pay are not specified in the job posting.

Schedule

Details on schedule are not specified in the job posting.

Company Information

ECS Limited is a leader in geotechnical, construction materials, environmental and facilities consulting services. Founded in 1988, ECS is an employee-owned company 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).

To learn more about ECS, visit: www.ecslimited.com.

ECS is an Equal Opportunity Employer.