Construction Laboratory Technician

Build Your Future With CMT

At CMT Technical Services (CMT), we're building more than just infrastructure—we're building communities, careers, and a culture rooted in integrity, collaboration, and technical excellence. As a trusted leader in materials testing, inspection, and engineering services, we help ensure the safety and strength of everything from highways and bridges to commercial buildings and energy projects. With a dynamic team of professionals across multiple regions, CMT empowers individuals to grow, innovate, and make a tangible impact on the world around them.

Join us—and be part of something built to last.

Construction Lab Technician

$18–$23/hour (DOE)

Denver, Colorado

Non-Exempt

Full-time; 40 hrs/week (schedule may vary)

• Receive, log, and prepare construction material samples, including soils, aggregates, and concrete
• Perform standardized laboratory tests such as:
  • Moisture Content
  • Sieve and Gradation Analysis
  • Atterberg Limits
  • Proctor Compaction
  • Compressive Strength (Concrete)
• Record accurate data and report findings to the Laboratory Manager
• Maintain laboratory equipment, tools, and work spaces according to safety, quality, and accreditation standards
• Assist with QA/QC documentation and basic report preparation
• Follow established procedures and support team success

• High school diploma or equivalent
• Valid driver's license with acceptable driving record
• Ability to lift up to 60 lbs and perform physical tasks safely
• Strong work ethic, attention to detail, and commitment to quality
• Basic computer skills (Word, Excel, Outlook)
• Ability to work effectively in a team environment

• ACI Concrete Field Testing Technician – Grade I or ACI Concrete Laboratory Testing Technician – Grade I (recognized certifications for concrete testing)
• WAQTC or CDOT materials technician qualifications for soil/aggregate testing or equivalent (Colorado recognizes WAQTC standards for technician qualification on transportation projects)

• ACI Aggregate Testing Technician – Level I or NICET/ACI certifications relevant to materials testing
• WAQTC Embankment & Base and In-Place Density certification modules
• Radiation Safety and Nuclear Gauge safety certification (for density/moisture testing)

• Prior hands‑on experience in a construction materials testing laboratory
• Familiarity with ASTM, AASHTO, or CDOT test methods
• Coursework in civil engineering, construction management, geology, or related field
• Strong communication and organizational skills

• Laboratory-based role with occasional travel to local project sites
• Safety‑driven environment governed by internal quality standards and state transportation project requirements

CMT Technical Services is an Equal Opportunity Employer. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other status protected by applicable federal, state, or local laws. We are committed to maintaining a professional workplace where individuals are treated with respect and fairness.