An established geotechnical and environmental consultancy is seeking a Senior Geo-Environmental Engineer to join their growing team based in Northamptonshire. This is a permanent, full-time position offering the opportunity to lead and manage complex ground investigation and environmental assessment projects across a wide range of sectors, including residential, commercial, landfill, infrastructure, and industrial developments.The successful candidate will take a senior role in project delivery, client liaison, and technical oversight. You will support and mentor junior staff, ensure quality standards across project stages, and be actively involved in producing high-quality interpretive reports and remediation strategies.Senior Geo-Environmental Engineer Key ResponsibilitiesManage and oversee ground investigations, including scoping, fieldwork supervision, and project deliveryPrepare technical reports such as Phase I and II assessments, CMRAs, earthworks strategies, and remedial method statementsLiaise with clients, regulators, and subcontractors to ensure smooth project execution and complianceMentor and guide graduate and junior engineers, supporting their technical developmentReview and interpret geotechnical and environmental data and contribute to commercial decision-makingTravel to sites across the UK as required, including occasional overnight stays Senior Geo-Environmental Engineer Job RequirementsA minimum of 6 years'' experience in geo-environmental or geotechnical ..... full job details .....