- Terracon (Des Moines, IA)
- …Requirements:** + Certifications in one or more of the following areas: + NICET Level II certification in Construction Materials Testing in one or more of the ... Moines **Job Description:** Terracon has an opportunity for a Construction Materials Technician III to join our team in...following categories: Asphalt, Concrete, Soils. + NICET Level II certification in Geotechnical in one or more of… more