About this role
The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs Environmental Sustainability Manager Sizewell C Location: Suffolk, London, Bristol or Manchester (3 days a week minimum in the office) Contract Type: Permanent, Full Time Travel: Regular travel to Sizewell C offices including Suffolk and London (typically monthly), plus occasional travel between Bristol and Manchester offices Salary: From £85,000 + Bonus + Benefits including; Bonus up to 10% 28 days annual leave, plus bank holidays Opportunity to purchase extra holiday Contributory pension scheme (up to 7.5% employee / up to 15% Sizewell C) Private medical insurance Life assurance Employee assistance programme Flexible benefits package, opportunity to purchase extra benefits including discounted gym memberships, electric car schemes, etc Closing Date: Sunday 11th of October 2026 The Opportunity Reporting to the Sustainability Director, the Environmental Sustainability Manager, will be a key member of the Sustainability Leadership Team, leading the development and delivery of Sizewell C's Environmental Sustainability strategy and driving sustainability performance across the project. We're looking for a proven sustainability leader who can bring people together, influence at all levels of the business, and translate ambitious sustainability goals into practical, measurable results. You'll provide strategic leadership and deep technical expertise across multiple sustainability disciplines including carbon, circular economy, water, responsible sourcing, and BREEAM Infrastructure certification. You'll also play a critical role in shaping business decisions, influencing senior stakeholders and Board-level leaders, and ensuring sustainability remains embedded across every aspect of the project. Why Join as an Environmental Sustainability Manager? This role offers the opportunity to: Lead and develop a growing team of environmental sustainability professionals Shape the sustainability strategy of one of the UK's most significant infrastructure projects Influence senior leaders, executive stakeholders and external regulators Drive real-world sustainability outcomes at a nationally important scale Own and lead key sustainability programmes from concept through to delivery Help deliver industry-leading performance across carbon, circular economy, water, responsible sourcing, and BREEAM Infrastructure certification Play a visible leadership role within a highly collaborative and values-driven sustainability function If you're looking for a position where you can combine strategic leadership, technical excellence and meaningful impact, this is an exceptional opportunity. What You'll Be Doing Leading the further development and implementation of the Sizewell C Environmental Sustainability agenda Contributing to the strategic direction, culture and performance of sustainability across the business Providing technical leadership across carbon, circular economy, water, responsible sourcing, and BREEAM Infrastructure certification Managing sustainability programmes from inception through to successful delivery Influencing and engaging senior leaders, regulators, suppliers and key project stakeholders Leading a high-performing team What We're Looking For We are particularly interested in candidates who demonstrate strong leadership, excel at building collaborative relationships across organisations, and bring substantial technical expertise and credibility. You'll likely have: Essential Demonstrable leadership experience, including leading high-performing teams and developing people Significant experience within major infrastructure, construction, or other complex capital projects Significant proven experience in environmental sustainability Deep technical expertise across environmental sustainability disciplines, including carbon management and PAS2080, water, circular economy, sustainable procurement, and BREEAM Infrastructure Proven experience developing and implementing sustainability strategies and translating them into measurable outcomes. Experience influencing senior executives, regulators, clients, and external stakeholders Excellent relationship-building and stakeholder management skills A collaborative and engaging leadership style, with the ability to bring teams together and drive delivery Degree qualification in Environmental Science or a related discipline Membership of professional organisation such as ISEP, ICE, CIWEM or an equivalent professional body Desirable Experience managing regulatory, investor or sustainability commitments Experience working in highly regulated environments, such as nuclear, energy, utilities, transport, water or other nationally significant infrastructure sectors. Apply Now For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.