Materials/Field Technician
Celnor Group · Derby, United Kingdom · full time · April 30, 2026
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Description
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 compliance
- Working shift patterns (day/night shifts and some weekends), with paid overtime
- Travelling across the Midlands in a company van (following initial onboarding)
- Adhering to all safety standards, including passing a Safety Critical Medical (paid for by us)
Skills, Knowledge and Expertise
- Have experience in construction site work, materials testing, or a related technical environment
- Communicate clearly and work well independently
- Are confident using digital tools and Microsoft Office
- Hold a full UK driving licence
- Possess a CSCS card (or are willing to obtain one)
- Are flexible with working hours and willing to travel
- UKAS/MCIT/Soils and Aggregates experience is desirable but not essential — full technical support will be provided.
Salary and Benefits
- Salary of £29,000 – £32,000, depending on experience
- Signing-on bonus payable upon successful completion of probation
- We offer a referral reward of up to £500 after probation if you refer a successful hire
- 40 hours per week with overtime rates for evenings/weekends
- Company van, phone, and tablet (following training period)
- All required training and Safety Critical Medical paid for by MSS
- Excellent career progression and cross-training opportunities across Celnor Group
MSS is an equal opportunities employer committed to diversity and inclusion in the workplace.
To apply, please submit your CV and a covering letter explaining why you're the right fit for this role.
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Important information
Celnor Group and its businesses manage recruitment directly. We do not require agency support for this role and will only engage with recruitment partners from our preferred supplier list where necessary.
We may use technology, including AI-enabled tools, to support parts of the recruitment process. AI is not used for candidate screening, scoring or hiring decisions. All hiring decisions are made by people, for people. Our recruitment systems are ISO 42001 accredited, reflecting our commitment to ethical, transparent and responsible use of technology.
Materials/Field Technician
Department: Field Team
Employment Type: Permanent - Full Time
Location: Derby
Compensation: £29,000 - £32,000 / year
- Employer
- Celnor Group
- Location
- Derby, United Kingdom
- Contract
- full time
- Salary
- 29000–32000 GBP year