Construction Materials Testing (CMT) Department Manager – Geotechnical/Engineering. Associated Testing Laboratories is a trusted provider of. construction materials testing and geotechnical engineering. services in Houston, Texas, and surrounding areas. We are seeking an. experienced CMT Manager. to lead our. lab and field testing operations. for concrete, asphalt, soils, and aggregates. ⚠️. Applicants must have direct CMT/geotechnical testing ex...