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Construction Materials Testing Technician

Certerra
Charlotte, NC Full Time
POSTED ON 7/24/2026
AVAILABLE BEFORE 8/22/2026
Company Overview

Certerra - Southern Engineering is a proven leader and trusted expert in geotechnical engineering that provides extensive consulting and testing services leveraging more than 25 years of industry experience. We work with individuals, businesses, organizations and corporations in both the private and public sector including healthcare, schools and municipalities. Our expertise covers a broad spectrum of applications, allowing us to accommodate smaller projects, as well as massive mega-projects, and everything in between. With deep industry knowledge that covers all aspects of geotechnics, our analytical and applied capability and level of innovation is exceptional. This expertise results in superior solutions to even the most complex problems.

Job Overview

Certerra-Southern Engineering is hiring a CMT (Construction Materials Testing) Technician to perform testing of various construction materials on active construction sites to verify compliance with project documents.

Required

Minimum Qualifications:

  • High school diploma or General Education Development (GED) diploma.
  • Must hold and maintain a valid driver’s license and be deemed insurable by the firm insurance carrier

Preferred Certifications/Licenses: (any of the below)

  • American Concrete Institute (ACI) Field Technician Level I Certification
  • National Institute for Certification of Engineering Technologies (NICET) CMT Level I or higher (soils or concrete)
  • International Code Council (ICC) Soils Certification
  • NCDOT Certifications (e.g., QMS Roadway Technician conventional density, ABC/borrow pit sampling)

Essential Skills

  • Exhibit excellent written and verbal communication skills.
  • Exhibit excellent organizational skills.
  • Ability to work independently and/or within Team environments.

Duties And Responsibilities

    • Concrete/Grout/Mortar inspection and testing
    • Monitoring for proper placement techniques
    • Testing for slump, air content, unit weight, temperature
    • Molding of compressive strength specimens
    • Core drilling
    • Asphalt
    • Establishing test locations
    • Checking load temperature
    • Verifying property laydown and rolling practices
    • Core drilling for density/thickness specimen
    • Soil/Aggregate testing
    • Testing density/compaction
    • Observing proofrolling
    • Verifying proper moisture content
    • Checking bearing capacity for foundation support
    • Excavation quantification
    • Pay and staffing level commensurate with the number of years of experiences and active certifications

    We are an Equal Opportunity Employer. This Company is dedicated to both the letter and the spirit of the equal opportunity employment laws. All applicants and all employees will be evaluated on the basis of their ability, competence, and performance of the essential functions of their positions. There will be no discrimination on the basis of race, sex, national origin, religion, age 40 and over, disability, sexual orientation, marital status, or any other classification which may be protected by federal, state, or local laws. In compliance with the Americans with Disabilities Act, we specifically offer equal opportunity for all employees or job applicants who may have a physical or mental disability. Such persons will be hired on the basis of their ability to perform the essential functions of the job in question. Likewise, their work will be evaluated on their performance of these essential functions. We will offer reasonable accommodation to individuals with disabilities, to the extent that Company resources allow without undue hardship. As part of our equal employment policy, there will be no wage differentials based on gender, between men and women employed in the same establishment, on jobs that require equal skill, effort, and responsibility, and which are performed under similar working conditions.

    Salary : $20 - $28

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