Drive the decarbonisation agenda at the forefront of the built environment, shaping low‑carbon strategies for some of the UK’s most high-profile projects. This is a key opportunity to lead on Whole Life Carbon analysis and embed robust sustainability outcomes for clients who are serious about net zero. About the Role: As Principal Sustainability Consultant, you will lead Whole Life Carbon assessments across complex building and infrastructure projects, using One Click LCA to drive evidence-based design decisions. You will act as a trusted technical authority, guiding clients and internal teams on carbon reduction strategies and integrating sustainability into project delivery. Your work will directly influence design, procurement, and policy recommendations to help meet ambitious net-zero and ESG targets. Key Responsibilities: Lead Whole Life Carbon (WLC) assessments for major projects, from early-stage feasibility through detailed design and delivery. Develop and optimise project-specific carbon reduction strategies, advising on materials, construction methods, and design options. Use One Click LCA to model, analyse, and report embodied and operational carbon, ensuring data quality and consistency. Present clear, insightful WLC findings and recommendations to clients, design teams, and senior stakeholders. Oversee and review the work of junior and mid-level consultants, providing technical direction and quality assuranc...