Senior / Principal HydrogeologistSalary: 45,000 to 56,000 (dependent on experience)Location: Saltaire (West Yorkshire), Leeds or Bristol - Hybrid WorkingContract: Permanent Full Time or Part TimeThe Role:Our client is seeking an experienced Senior or Principal Hydrogeologist to support and lead the delivery of groundwater and water resource projects. The role has a strong technical focus on groundwater modelling and groundwater resources, including geothermal and mine water, alongside project leadership and client delivery.You will join a multidisciplinary groundwater team working across environmental, water resources, and engineering projects, delivering sustainable and resilient solutions for a wide range of clients.About Our Client:Our client is an award-winning, independent environmental and engineering consultancy operating under a staff-owned stewardship model. Innovation, sustainability, and long-term resilience are at the heart of their work.With offices across the UK, Ireland, and internationally, they invest heavily in lifelong learning, skills development, and career progression, offering a supportive environment with genuine opportunities to progress into leadership roles.Your Role and Responsibilities:Provide technical leadership on groundwater and water resource-led projectsLead project delivery, governance, and technical accountabilityDevelop sustainable and resilient groundwater solutions that meet client needsChampion technical innovation to improve efficienc