Graduate Hydrogeologist

Tetra Tech; Cardiff; Hybrid; GBP 26,000 - 36,000; Full time

Job summary

Tetra Tech is seeking a Graduate Hydrogeologist to join our groundwater and geothermal team in Cardiff or Birmingham. You’ll contribute to field investigations, desktop studies, data analysis and reporting across UK and international projects, while developing through our NextGen Talent programme.

The role offers hybrid working with travel to sites and our network of geo-environmental specialists, supporting your progression toward chartership and a long-term career.

Qualifications

• You will hold a first degree in geology, engineering geology, environmental science or a related subject, together with a Master’s or PhD in groundwater or hydrogeology.
• Enthusiasm for groundwater and geothermal energy, strong analytical, written, communication and presentation skills, GIS experience and excellent teamwork are essential.
• Relevant work experience, such as a placement, is desirable.
• A full clean driving licence is required.

Responsibilities

• Assist with groundwater and geothermal investigations from planning to field supervision.
• Support desktop studies, monitoring, testing and site data collection for modelling.
• Contribute to factual and interpretative reports for clients.
• Participate in multidisciplinary teamwork and early chartership development.

Skills

GIS experience

Analytical skills

Written communication

Presentation skills

Teamwork

Full clean driving licence

Education

First degree in geology, engineering geology, environmental science or related subject

Master’s or PhD in groundwater or hydrogeology

Tools

GIS

Job description

Role Title: Graduate Hydrogeologist
Start Date: September 2027
Location: Cardiff or Birmingham

Joining Tetra Tech as a graduate is more than starting a new job – you’ll become part of our Next Gen Talent development programme, designed to support you as you build your career with us. Alongside hands‑on experience and exposure to real projects, you’ll benefit from a structured programme of regular learning, training and development opportunities, helping you grow your technical and professional skills as you progress.

You’ll be supported throughout your development by experienced colleagues, giving you the opportunity to learn, build your network and develop the skills and experience needed for a successful long‑term career with Tetra Tech.

Help shape the future of groundwater and geothermal energy while developing your career on nationally significant projects. Join Tetra Tech’s growing team of hydrogeology, geothermal, land quality, mining and ground investigation specialists, working on solutions that support resilient water supplies and a more sustainable future.

Purpose & Scope of the Role

As a Graduate Hydrogeologist, you will join our groundwater and geothermal business within the wider geo‑environmental and mining unit. You will support groundwater resources, contaminant hydrogeology and geothermal projects across Great Britain, Ireland and internationally. The team works on high‑profile frameworks and contracts, including water supply, remediation, borehole decommissioning and geothermal energy projects.

Your Impact in this position

You will assist with the design, procurement, supervision and management of groundwater and geothermal investigations. Your work will include desktop studies, groundwater surveys, monitoring, testing and assessment, alongside accurate collection and analysis of site data to support modelling. You will also contribute to detailed factual and interpretative reports, helping clients assess and implement new water supply and geothermal energy systems.

• Groundwater and geothermal investigations: Support the planning, procurement, supervision and management of field investigations across a varied project portfolio.
• Hydrogeological assessment: Undertake desktop studies, groundwater surveys, monitoring, testing and assessments to develop robust technical understanding.
• Data analysis and modelling support: Collect and analyse site data accurately to inform modelling, feasibility studies and technical assessments.
• Technical reporting: Produce clear and detailed factual reports, progressing towards interpretative reporting as your experience develops.
• Professional development and teamwork: Build your technical capability through mentoring, project experience, training and chartership support while working effectively within multidisciplinary teams.

Training, Qualifications & Experience

You will hold a first degree in geology, engineering geology, environmental science or a related subject, together with a Master’s or PhD in groundwater or hydrogeology. Enthusiasm for groundwater and geothermal energy, strong analytical, written, communication and presentation skills, GIS experience and excellent teamwork are essential. Relevant work experience, such as a placement, is desirable. A full clean driving licence is required.

You will be based in either our Cardiff or Birmingham office, with hybrid and flexible working arrangements available in line with team and project requirements. Office attendance will vary depending on training, collaboration and project needs, with greater flexibility possible as your experience develops. The role involves travel across including occasional short periods away from home. A flexible approach to time management and a willingness to travel are therefore essential.

Application Closing Date: 31st October 2026
Assessment Centre to be held: February 2027

About Tetra Tech

Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide.We have a wide range ofexpertiseacross 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 areLeading 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 employeesrequiringadditionalarrangements. 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