Senior Hydrologist​/Senior Aquatic Ecologist – Semi Remote

Join Thomson Environmental Consultants and help shape a future where nature and business thrive together. We are a fast-growing, innovative environmental consultancy delivering exceptional outcomes across terrestrial and freshwater ecology, hydrology, marine science, GIS, habitat management, arboriculture, and environmental impact assessment.

Various locations across the United Kingdom, with a hybrid working model and semi-remote flexibility. Full time.

• Manage team workloads, performance, training, and development.
• Provide technical oversight, mentoring, and internal training.
• Lead and deliver large, complex hydro-ecological projects.
• Provide expert guidance on legislation, policy, and best practice.
• Review and approve technical reports and deliverables.
• Oversee budgets, forecasting, and team financial performance.
• Ensure projects are delivered on time, within budget, and to a high standard.
• Win new work through bids, tenders, and client engagement.
• Build and maintain strong client relationships.
• Support marketing and PR activities to promote water services.

• Field and survey work, including ecological appraisals and ecological clerk of works.
• Macroinvertebrate and water quality monitoring.
• Fish population and habitat surveys, eDNA, and invasive non-native species (INNS) surveys.
• River habitat surveys, flow gauging, and water level monitoring.
• Environmental assessments, including nutrient neutrality, Water Framework Directive (WFD), Habitats Regulations Assessments (HRA), Environmental Impact Assessments (EIA), marine licensing, and flood risk permitting.

• Proven experience in environmental consultancy.
• Background in aquatic ecology, hydro-ecology, or related disciplines.
• Track record of winning work and building strong client relationships.
• Technical expertise in hydro-ecological survey techniques, legislation, and policy.
• Experience delivering high-quality reports and assessments.
• Excellent communication and organisational skills.
• Ability to manage people, budgets, and multiple projects simultaneously.
• Proactive, collaborative, and solutions-focused approach.
• Full UK driving licence and access to a vehicle with business insurance.

Relevant qualifications in aquatic ecology, hydrology, or environmental science are expected to support your expertise and leadership in this role.