Materials Engineer

Location: Great Missenden

Freelance Materials Engineer – Bulk Earthworks (HS2)

Location:

HS2 Major Infrastructure Project – Great Missenden
Duration: 12 months
Engagement:
Freelance, Outside IR35 / CIS

Are you a Materials Engineer experienced in bulk earthworks and construction quality?
We are seeking a freelance Materials Engineer for a Tier 1 contractor supporting HS2 earthworks. The role focuses on material testing, classification, and quality assurance to ensure excavated and imported materials meet project specifications and can be reused safely.

What you’ll do:

Oversee field and laboratory testing of soils, aggregates, and stabilised materials
Analyse test data and classify materials for reuse approval
Monitor earthworks compliance with Inspection and Test Plans (ITPs)
Investigate and resolve material non-conformance issues
Maintain quality records and digital completion data (Dalux)

What we’re looking for:

Degree in materials, civil, or geotechnical engineering
Minimum 2 years site experience in bulk earthworks and material testing
Strong knowledge of soil and aggregate testing, compaction, and stabilisation

Experience with Tier 1 or major infrastructure projects preferred
Familiar with ITP compliance and QC reporting

Skills & Attributes:

Detail-oriented and quality-focused
Proactive and collaborative team player
Strong communication and problem-solving skills