Environmental Sustainability Manager; Sizewell C)

Job Category:
Other

Contract Partner Company:
Jobs Service

Employing Company:
Sizewell C

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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

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.

• 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.

• 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

We are particularly interested in candidates who demonstrate strong leadership, excel at building collaborative relationships across organisations, and bring substantial technical expertise and credibility.

• Demonstrable leadership experience, including leading high-performing teams and developing people
• Significant experience…