Civil Design Engineer - Water Industry

Purpose and scope of the role

Tetra Tech’s Water Consultancy is seeking multiple Civil Design Engineers to support long-term water industry frameworks across the UK, including major programmes in water and wastewater treatment plant design, river health, sewerage infrastructure and wider asset upgrades. You will contribute to outline and detailed designs, construction-ready drawings and technical documentation for treatment works, pumping stations, rising mains, pipelines and site layouts.

Your Impact In This Position

In the short term, you will deliver accurate and practical design packages that support procurement, construction and successful project outcomes. Over the medium term, you will take greater ownership of design workstreams, improve technical efficiency and contribute to low‑carbon, resilient solutions for water and wastewater treatment and wider infrastructure projects. Longer term, you will help shape high‑quality design delivery across significant UK frameworks and support the development of other engineers in the team.

Core Capabilities

• Technical design proficiency – Produce robust outline and detailed civil designs, calculations and construction documentation to UK standards for water and wastewater treatment plant and associated infrastructure.
• Multidisciplinary coordination – Integrate civil inputs with structural, mechanical, electrical and ICA disciplines, contributing to coordinated design reviews and efficient delivery.
• Client and stakeholder engagement – Translate client requirements into pragmatic design solutions and maintain clear, professional liaison with contractors, partners and internal teams.
• Delivery and quality assurance – Manage design outputs to time, cost and quality targets, applying CDM requirements and robust assurance processes throughout.
• People development and leadership – Mentor junior staff, share best practice and contribute to team capability, knowledge capture and continuous improvement.

Skills, qualifications and experience

Expected: degree in Civil Engineering or a related discipline. Desirable: postgraduate qualifications and chartership, or working towards chartership; membership of a relevant professional institution.

Work patterns and locations

Hybrid roles across regional offices with regular site visits.

Why join Tetra Tech?

Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. 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 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.

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