Mr Graham Walker CGeog (GIS)
Employer Name
Jacobs
Biography
Graham has 19 years’ experience delivering digital and geospatial solutions across the water sector, with a strong focus on wastewater and clean water networks. He specialises in developing and implementing spatially driven risk models, automation workflows and integrated data solutions to support asset management, investment planning and regulatory outcomes, including major programmes addressing combined sewer overflows (CSOs). Graham has led multidisciplinary geospatial teams on large-scale water utility frameworks, providing innovative approaches to catchment management, network optimisation and green infrastructure prioritisation, often leveraging advanced GIS, FME and Python to deliver efficient, data-led decision support. He has extensive experience managing and integrating large, complex datasets and delivering client-facing digital tools such as dashboards and web-based applications to enhance stakeholder engagement and operational performance.