Willmott Dixon is seeking a proactive and forward‑thinking Assistant Sustainability Manager with strong data management and analytical skills, and an interest in emerging AI tools, to support the delivery of our ambitious sustainability strategy.
We are seeking a self-motivated individual looking to use their analytical skills, data expertise and passion for innovation to help the construction sector meet its climate and resource efficiency ambitions. This is your chance to create a positive social, environmental and economic legacy!
Reporting to the Principal Sustainability Manager, you'll be part of our award‑winning multidisciplinary Sustainability Team. This exciting role is based in Letchworth, North Herts with hybrid working arrangements and a collaborative environment that encourages a minimum of three days a week in the office.
As part of our Now or Never strategy - and our commitment to carbon reduction, resource efficiency and circularity - you'll play a key role in using data to drive performance, generate insights and identify opportunities for improvement. You will support research projects, develop new ideas to help us meet our 2030 targets, and contribute to projects that help transform our approach to carbon and waste.
Willmott Dixon is one of the UK's largest independent construction and property services companies. Sustainability and social value have been at the core of our business for more than 170 years, and with our sector‑leading strategy, there has never been a better time to make an impact.
You will be responsible for:
Supporting delivery of our sustainability strategy with a strong focus on carbon and waste performance.
Managing, analysing and interpreting data to identify trends, opportunities and risks.
Using digital tools, automation and emerging AI capabilities to improve reporting, insight generation and project delivery.
Contributing to research, innovation initiatives and the development of new sustainability approaches.
Collaborating across teams to help translate data into practical, actionable recommendations.
Managing tasks and projects that support our 2030 ambitions.Essential Criteria
To succeed in this role, you will be a self‑starter who works effectively in an agile environment. You will also bring:
Experience with data visualisation and analytical tools (e.g., Power BI, Python, Excel, or similar).
Interest or experience in applying AI or automation tools to improve workflow and generate insights.
Strong ability to analyse, interpret and communicate data clearly.
Experience managing multiple priorities and delivering work to a high standard.
Ability to communicate effectively with a diverse range of audiences.Desirable Criteria
Degree (or equivalent) in environmental science, engineering, construction, data science or a related discipline.
Understanding of sustainability issues in the construction sector.
Knowledge of carbon, waste and resource efficiency methodologies.Additional Information
In return we reward our people generously with a competitive package that gives you flexible benefits to fit your lifestyle and priorities. This includes but is not limited to, an enhanced pension scheme, full / heavily discounted private medical, life assurance, incentive bonus and a car scheme which will make us a market leader in sustainable company travel. Applicable roles will benefit from a motoring expenditure allowance (MEA) and everyone can access a new generation of low carbon and electric cars via the Willmott Dixon run car leasing scheme.
Discover your potential, embrace innovation, and become part of a company that is dedicated to Building the Future, sustainably. Visit our website at and start your extraordinary journey with us today.
About Us
Willmott Dixon was awarded No 1 in the Best "Big" Companies (2022) to work for and already holds the Times Top 50 Employers for Women 2022. We have recently been honoured in the first ever The King's Awards for Enterprise for our work to enhance the life opportunities of others. These proudly sit alongside our previous wins in 2014, 2018, and 2019, for both our sustainable development work (first major contractor to do so) and how we are supporting social mobility