Construction Laboratory Technician

CMT Technical Services; Aurora (CO); On-site; USD 24,796 - 31,684; Full time

Job summary

A leading materials testing company in Colorado is seeking a Construction Lab Technician to prepare and test construction materials like soils and concrete. The ideal candidate has a high school diploma and a strong work ethic. You will perform crucial laboratory tests, maintain equipment, and assist with documentation. This role offers an hourly wage of $18–$23 depending on experience and requires a commitment to safety and quality in a dynamic work environment.

Qualifications

• Valid driver's license with acceptable driving record.
• Experience in a construction materials testing lab is a bonus.
• Certifications such as ACI Concrete Field Testing Technician are required or achievable soon.

Responsibilities

• Log and prepare construction material samples.
• Perform standardized laboratory tests.
• Maintain laboratory equipment and workspaces.
• Assist with QA/QC documentation.
• Support team success by following procedures.

Skills

Attention to detail

Strong work ethic

Basic computer skills

Ability to lift 60 lbs

Teamwork

Education

High school diploma or equivalent

Job description

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.

Position:

Construction Lab Technician

Compensation:

$18–$23/hour (DOE)

Location:

Denver, Colorado

FLSA Status:

Non-Exempt

Schedule:

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

What You'll Be Doing

• 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 workspaces according to safety, quality, and accreditation standards
• Assist with QA/QC documentation and basic report preparation
• Follow established procedures and support team success

What You Have

• 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

Certifications & Requirements – Colorado Focus

Required (or achievable soon after hire)

• 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)

Preferred

• 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)

What Will Make You Stand Out

• 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

Work Environment

• 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.