- Protex The PT Xperts, LLC (Phoenix, AZ)
- Geo Technical Materials Testing Lab Technician Entry to mid-level position testing soils, concrete, and asphalt construction materials in a busy fast-paced ... environment. General Responsibilities: The following is intended to provide general guidance, but is not intended to limit the scope of this position.. + Understand and perform construction materials testing according to ASTM, AASHTO, and ARIZ test methods. +… more