Principal / Associate – Waste & Contaminant Hydrogeologist
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- Europe Geoscience / Geotechnical
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- 1 day ago Post Date
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- 78400001779 Requisition #
Join a high-performing geo-environmental team delivering complex, technically challenging projects across the UK’s most critical sectors.
Purpose & Scope of the Role
As an Associate Waste & Contaminant Hydrogeologist, you will provide senior technical leadership across waste, landfill, permitting and contaminant hydrogeology. Working within a multidisciplinary environment, you will lead the delivery of complex hydrogeological assessments, support regulatory permitting, and contribute to business growth.
You will play a pivotal role in pre-positioning, pricing and delivering projects, while collaborating closely with groundwater, waste and environmental specialists to provide integrated, high-quality solutions across sectors including infrastructure, energy, minerals and regulatory services.
Your Impact in this Position
You will drive technically robust, commercially sound project outcomes—guiding clients through the full lifecycle of environmental assets. Your expertise will influence regulatory decisions, shape sustainable waste strategies, and strengthen client relationships, while mentoring the next generation of hydrogeologists and contributing to technical excellence across the business.
Core Capabilities
Technical Delivery
Lead hydrogeological risk and impact assessments, develop conceptual site models, and oversee groundwater modelling and monitoring strategies to deliver defensible, high-quality outputs.
Waste & Permitting Support
Provide expert input on landfill, quarry and waste recovery projects, supporting permitting strategies and regulatory engagement across the asset lifecycle.
Project & Commercial Management
Manage projects end-to-end, including proposals, budgets, programmes and risk—ensuring efficient delivery and strong financial performance.
Client & Stakeholder Engagement
Act as a trusted technical advisor, building lasting relationships with clients and regulators while clearly communicating complex hydrogeological concepts.
Leadership & Team Development
Mentor colleagues, promote best practice, and contribute to quality assurance, innovation and the strategic growth of the discipline.
Skills, Qualifications & Experience
Degree in Geology, Hydrogeology or a related field (MSc desirable). Chartered or working towards chartership. Strong experience in waste and contaminant hydrogeology, including site characterisation, modelling and UK permitting frameworks. Proven ability to lead projects, manage clients and deliver high-quality technical outputs.
Working Environment
This role offers flexible and hybrid working, with a blend of office, site and home-based work. Typical expectations include 2–3 days per week in the office or on site, depending on project needs, with flexibility to support work–life balance.
Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.
We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.
In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role
