Principal Sustainability Consultant

Mattinson Partnership
City of London, Greater London
The opportunity:

Join a progressive and highly regarded environmental consultancy that is shaping the future of sustainable development across the UK and beyond. With a strong reputation for delivering innovative, practical solutions, the organisation partners with clients to tackle complex environmental challenges and drive meaningful, lasting impact.

As a Principal Consultant within a growing Sustainability Team, you'll play a central role in leading high-profile projects that turn ambitious environmental goals into measurable outcomes. This position offers the chance to combine strategic thinking with hands-on delivery-guiding clients, building trusted relationships, and mentoring emerging talent-while contributing to a business that is genuinely committed to positive

Experience required:

Whole life / embodied carbon - including detailed modelling, reporting, and strong knowledge of current industry standards.
Circular economy - providing advice on materials and design, as well as relevant reporting.
Broader sustainability - developing sustainability briefs and coordinating across planning, design, and certification processes (eg. BREEAM)Key Responsibilities:

Managing the day-to-day delivery of sustainability projects.
Leading and developing embodied carbon modelling, particularly using OneClick LCA.
Facilitating workshops and technical meetings with design teams.
Preparing fee proposals and costings for complex schemes.
Acting as the primary client contact for assigned projects.
Monitoring project progress, risks, and budget adherence.This opportunity offers:

A supportive working environment focused on professional development.
Opportunities to work on meaningful, high-impact projects.
Hybrid working options for greater flexibility.
A competitive salary and benefits package.If this is of interest, reach out to Ethan Williams on (phone number removed) or click apply
Posted 2026-03-27

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