MSS Mattest Site Services, a UKAS-accredited laboratory, is a recognised name in construction materials testing, supporting major projects across the UK. As part of the Celnor Group, we deliver technical accuracy, fast turnarounds, and on-site expertise to clients in transport, highways, and structural development. We are now hiring a Site Technician to join our growing team in Spondon, Derby. This is a hands-on, field-based role working across live construction and road surfacing sites ideal for candidates with some experience in site testing, construction, or materials environments, looking to further develop in a high-demand industry. Key Responsibilities Attending construction and surfacing sites to conduct on-site sampling and testing of materials Performing laboratory testing on soils, aggregates, concrete, and asphalt Accurately recording and uploading test results using company systems (tablet provided) Liaising with site teams and colleagues to maintain quality, accuracy, and ...