Water Civil Design Engineers​/Engineers - North West

Purpose & Scope of the Role

As a Civil Design Engineer (Water), you will play a key role in delivering wastewater and clean water network projects across major long-term UK frameworks, including a flagship programme with United Utilities. Working within a multidisciplinary team of engineers, modellers and data specialists, you will contribute to optioneering, outline and detailed design, and the production of construction‑ready documentation. The role spans the full project lifecycle, supporting asset management strategies and capital delivery projects that drive improved river health, operational performance and environmental outcomes.

You will directly influence the delivery of critical water infrastructure, helping to improve resilience, sustainability and service for communities across the UK. Your designs and technical input will support low‑carbon, best‑value solutions, while your collaboration with clients and stakeholders will ensure projects are delivered efficiently and effectively. You will also contribute to developing future talent through mentoring and knowledge sharing.

• Technical Expertise – Experience in wastewater and/or clean water network design within a consultancy or delivery environment; strong understanding of UK water industry standards, specifications and best practice; design & digital proficiency; ability to produce high‑quality design calculations, drawings and construction‑ready documentation; experience supporting feasibility studies, optioneering and detailed design.
• Project Delivery & Collaboration – Proven ability to work within multidisciplinary teams and across complex project environments; effective coordination with clients, contractors and supply chain partners.
• Stakeholder Engagement & Communication – Ability to understand client requirements and translate them into practical engineering solutions; clear and concise reporting and technical communication skills.
• Leadership & Development – Experience mentoring or supporting early‑career engineers; positive, proactive approach with the ability to influence and support team performance.

Degree in Civil Engineering or a related discipline, with experience in water infrastructure projects. Working towards or holding membership of a relevant professional body (e.g. CIWEM, IET, InstMC) is desirable. Knowledge of UK water industry codes and standards is essential.

This role is ideally based in the North West, with flexibility for other UK locations. Hybrid working is supported, typically combining office collaboration with home working. You will work across long‑term national frameworks, with opportunities for career progression, professional development and involvement in high‑impact projects.

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.