Principal Civils Engineer - STEP Fusion ProgrammeLocation: West Burton / Culham (Abingdon) with programme travel.Type: Full-time (Flexible working options available)Security Clearance: UK BPSS Vetting Required.Client / Project: Major UK Infrastructure and Construction Group Supporting STEP Fusion Programme (ILIOS Partner)Sponsorship: Candidates must have existing right to work in the UK (sponsorship not available)About the Client:Our client is a leading UK infrastructure and construction group operating as the primary Construction Partner (ILIOS) for the UK''s world-leading Spherical Tokamak for Energy Production (STEP) fusion programme. Embedded within the central project leadership, their technical teams bring high-integrity engineering governance, design authority oversight, and major infrastructure delivery capabilities to world-first clean energy and nuclear-adjacent developments.Role Overview:Fully embedded within the STEP Design Authority team, the Principal Civils Engineer acts as a technical authority, applying authoritative civil and structural engineering judgement to define, integrate, and assure the design of buildings, civil structures, groundworks, and site-wide infrastructure for the prototype fusion power plant.Key Responsibilities:Design Vision and Governance: Define and maintain the civil plant design vision, engineering principles, and controlled civil design basis. Establish proportionate civil/structural engineering governance and technical review ..... full job details .....