Senior Environmental Sustainability Manager (Sizewell C)

🔒 Confidential Employer
Posted 20 April 2026
LOCATION
Sizewell C
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Other
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Environmental Compliance Sustainability Environmental Management Project Management Stakeholder Management Team Leadership Communication Skills

FULL DESCRIPTION

Senior Environmental Sustainability Manager (Sizewell C)

Job Category: Other

Contract Partner Company: Civil Works Alliance (CWA)

Employing Company: CWA

We are looking for a Senior Environmental Sustainability Manager to join the Civil Works Alliance (CWA) for the delivery of Sizewell C-one of the UK's most significant energy infrastructure projects. As part of the CWA, you will lead on and assure environmental compliance and sustainability performance during the construction of a 3.2-gigawatt nuclear power station, providing low-carbon electricity for six million homes and shaping the energy landscape for the next 60 years.

In this role, you will:

  • Provide hands-on, visible leadership for environmental compliance across complex construction areas and work packages on site
  • Ensure all activities comply with environmental approvals, permits, and management plans, proactively identifying and mitigating risk
  • Oversee and continually improve CWA and supply chain environmental management plans and controls, ensuring they are practical, robust and truly integrated into how we work
  • Lead monitoring, inspections, audits and assurance activities, driving performance, influencing behaviours and ensuring any incidents are managed and lessons implemented
  • Act as the primary on-site point of contact for client environment, compliance and assurance representatives, building strong, collaborative relationships with a wide range of stakeholders
  • Champion and facilitate delivery of our sustainability targets around carbon, waste, water, materials and biodiversity-ensuring initiatives are practical, achievable and impactful at site level
  • Lead, mentor and develop the on-site Environmental & Sustainability Team, building environmental capability, accountability and a culture of excellence across all Alliance partners and supply chain
  • Set expectations and provide targeted training, toolbox talks and coaching to embed consistent compliance and best practice behaviours across the project

We are looking for someone who brings:

  • Proven experience within the Construction, Civils, Utilities or Energy sector in an environmental and/or sustainability role
  • Sound knowledge of construction environmental management systems and regulatory frameworks, with demonstrable experience leading environmental compliance on major projects
  • A strong track record of leading and developing high-performing teams
  • Excellent communication and interpersonal skills, and the ability to influence at all levels
  • Relevant degree (e.g., Environmental Science, Sustainability Engineering or related discipline) and high proficiency with MS Office
  • Strong commercial awareness and the ability to drive results in complex, fast-paced environments
  • Professional accreditation and experience working within an alliance delivery model would be highly advantageous

This is a rare chance to join a collaborative, high-profile team on a project that will define the future of the UK's energy supply-while setting a new benchmark for environmental delivery and sustainability. If you want to make a visible difference on a "once in a generation" project, we invite you to click the following link to apply.

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.

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