Skip to main content
Posted August 11, 2026

CMT Field Technician I - Construction Materials Testing (CMT)

InTEC of San Antonio
San Antonio, TX, US Full Time

Job Description

Job Description

Positive and motivated applicants will be responsible for sampling, testing, and inspecting construction materials in the field. Duties include compaction testing, pier monitoring, preparing concrete cylinders, etc. 40 hours per week, plus overtime and occasional Saturdays.

Job primarily consists of:

  • Observing and documenting field activities
  • Sampling, testing, and inspecting soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement
  • Using field screening equipment and documenting readings
  • Reading maps, following directions and interpreting construction plans
  • Interacting and communicating daily with contractors, technicians, and project managers
  • Ability to work outside in the vicinity of large construction equipment
  • Ability to utilize hand tools such as sledgehammers, shovels and picks
  • Presents a professional appearance
  • Ability to drive company vehicle, manage and complete all assigned jobs, efficiently and on time

Must have physical capability to lift and maneuver 50 lb. to 100 lb. soil samples

Applicants must be authorized to work in the US and have a High School Diploma or equivalent. Experience is a plus but not required - will train.

Intermediate computer experience or more and Basic math skills is a plus

Certifications in concrete, soils, etc. would be a plus

Other Requirements:

  • Possession of a valid state of residence driver’s license & clean driving record
  • Ability to be insured under all applicable insurance policies and requirements
  • Ability to pass a pre-employment drug test and physical
  • Daily travel to and from construction sites, generally within 100 miles from the home office
  • May be required to work protracted and irregular hours to meet deadlines including overtime and occasional weekends.
  • The ability to train to achieve minimum certificates in ACI, NICET, and/or ICC within 6 months of hire

Will provide support to acquire additional certifications:

  • ACI Field Grade 1, ACI Aggregates, ACI Concrete Strength.
  • ICC General Requirements, Soils, Concrete.

Job Type: Full-time

Pay: $18.00 - $22.00 per hour

Benefits:

  • Company truck
  • Dental insurance
  • Health insurance
  • Life insurance
  • On-the-job training
  • Paid time off
  • Paid training
  • Professional development assistance
  • Retirement plan
  • Vision insurance
  • Wellness program

Compensation Package:

  • Hourly pay
  • Yearly bonus

Physical Setting:

  • Construction site
  • Outdoor work

Application Question(s):

  • What is your current phone number?
  • What is your current email address?
  • Do you have a valid ACI Certification?
  • How many years of Construction experience do you have?
  • Do you know how to read civil construction plans? If so, how many years of experience reading civil construction plans?
  • Do you have any speeding tickets or driving infractions in the last 5 years?

Work Location: In person

Sign up for Job Alerts