Job Description

The CMT/Lab Technician will inspect the contractors’ work and perform field soil and concrete material testing to verify the work is performed in accordance with project specifications. The job requires extended periods of time working outdoors with moderate to heavy (40lbs+) lifting. Must be able to walk and stand continuously throughout the day. Periodic travel is required, and on-call duties may be needed. Field technicians must be available to work some weekends, holidays and overtime as needed. Applicants are required to complete a background investigation, drug screening and driving record review.

Responsibilities and Duties

  • Communicate and coordinate with dispatcher for daily assignments.
  • Perform field materials testing of soil, asphalt, masonry, and concrete.
  • Perform soil, concrete, aggregate and asphalt sampling and testing.
  • Obtain necessary lab technician certifications.
  • Prepare detailed and accurate field reports on a daily basis.
  • Report to Project Managers, CMT Supervisors, contractors regarding construction issues.
  • Update Supervisor and Dispatcher on progress and delays on every project.
  • Responsible for the safe usage and maintenance of individually assigned company vehicle and field equipment.
  • Must follow and enforce all safety standards.

Skill Requirements

  • 2+ years of Construction and/or materials testing experience.
  • Ability to read and interpret plans, specifications, safety rules, operating and maintenance instructions, and procedure manuals.
  • Accuracy, attention to detail and timeliness with project results required.
  • Obtain necessary field technician certifications.
  • Valid Texas Driver’s License (extra compensation for CDL) and must continue to maintain a safe driving record to fulfill travel requirements of this position.
  • Ability to obtain the ACI certification within 1 year.
  • Must be punctual, reliable, and dependable.
  • Must be able to walk and stand continuously throughout the day.
  • Must be able to lift, carry, push up to 40+ pounds on a regular basis.
  • Applicants must pass background investigation, drug screening and driving record.
  • Basic phone and computer skills: Microsoft Outlook and ADP.

Preferred Qualifications

  • ACI and Nuclear Density Gauge certification preferred.
  • 3 years Construction and/or materials testing experience preferred.
  • Familiarity with ASTM procedures for soil, asphalt and concrete testing preferred.
  • Procedural and process-oriented structure, due to strict regulatory requirements.
  • Procedural and process-oriented structure, due to strict regulatory requirements.
  • High school diploma or GED equivalent.

Position Type and Expected Hours of Work

This is a full-time position. Days and hours of work are Monday – Saturday, (variable time). Able to work some weekends, holidays, and overtime as needed.


The position is based in our Austin, Texas office. Travel is required throughout the Texas and its surrounding states.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. 

To Apply

Please click this sentence to complete RINER’s employment application.

RINER is an equal opportunity employer and does not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state, or local protected class. RINER is a Drug-Free workplace with drug screening performed.