Environmental Sustainability Manager (Sizewell C)
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.
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.