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Sustainability Analyst

Job in Sizewell, East Suffolk, Suffolk County, England, UK
Listing for: CWA
Full Time position
Listed on 2026-09-23
Job specializations:
  • Engineering
    Energy Management/ Efficiency, Regulatory Compliance Specialist, Environmental Compliance & Protection, Environmental & Urban Planning
Job Description & How to Apply Below
Location: Sizewell

Help Shape the UK’s Energy Future

Sustainability Analyst Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C

As part of the CWA (Civil Works Alliance), you will support the building of Sizewell

C. Sizewell C will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the Enabling and Earthwork Section.

What will you do?

Are you passionate about sustainability, environmental performance and using data to drive positive change?

We have an exciting opportunity for a Sustainability Analyst to join the Civil Works Alliance (CWA) on the landmark Sizewell C project.

As a key member of the Environmental, Social and Governance (ESG) team, you will play a vital role in managing, analysing and reporting environmental and sustainability data across a complex infrastructure programme. Working closely with operational teams, suppliers and project stakeholders, you'll help ensure environmental compliance, drive continual improvement and support innovative sustainable solutions on site.

What You'll Be Doing

Analysing environmental and sustainability data to support project performance and compliance.
                       
Coordinating the collection and reporting of key environmental metrics including carbon, water, materials, inspections and incidents.
                       
Maintaining reporting tools, trackers and performance dashboards.
                       
Supporting sustainability reporting requirements across the supply chain and project teams.
                       
Identifying opportunities to reduce environmental impacts, improve resource efficiency and drive innovation.
                       
Producing high-quality sustainability reports and communications.
                       
Supporting audits, assurance activities and environmental management system implementation.
                       
Engaging with a wide range of stakeholders to champion sustainability across the project.

What are we looking for?

Essential Requirements

Practical experience in data management and analysis
                       
Strong data literacy with the ability to work confidently with complex datasets
                       
Knowledge of environmental management and sustainability within a construction, engineering or infrastructure environment
                       
Degree qualification in Environmental Science, Environmental Management or a related discipline
                       
Understanding of sustainability and environmental standards such as:
                       
ISO 14001
                               
PAS 2080
                               
GHG Protocol
                               
SBTi
                               
ISO 14067
                               
ISO 20400

Excellent stakeholder engagement and communication skills
                       
Strong attention to detail and problem-solving ability
                       
Good working knowledge of Microsoft Office, particularly Excel
                       
Understanding of the utilities, construction or engineering sector
                       
Full UK driving licence and willingness to travel to site when required.

Desirable

Experience using sustainability reporting platforms such as Smart Waste
                       
Knowledge of Development Consent Orders (DCOs) and Nationally Significant Infrastructure Projects (NSIPs)
                       
ISEP Practitioner Membership or working towards professional accreditation.

What we will offer you?

The CWA is a single delivery organisation made of up of the client (Sizewell

C) and three parent companies - Balfour Beatty,…
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