Principal Civil Engineer - Water / Wastewater

Water | Wastewater | Biosolids / Sludge | AMP 8 | SROs

Shape the Future of Water Infrastructure with Egis

• London | Bristol | Manchester (Hybrid)
• Civil Engineering Design | UK‑Wide Impact | High‑Growth Environment

Egis is expanding rapidly in the UK, backed by a global team of more than 23,500 experts across 70+ countries. We design and deliver intelligent, sustainable infrastructure to address climate challenges and strengthen community resilience. As part of our fast‑growing UK Water team, you will join an agile environment where progression is quick, visibility is high, and your impact is immediate.

About the Role

The UK water sector is entering a period of unprecedented investment and transformation. As Egis accelerates the growth of its Water Business in the UK, we are building a high-performing Civil Engineering team to help shape this next chapter.

We are inviting applicants who want to play a meaningful role in delivering major water and wastewater programmes. Working within a collaborative, multidisciplinary environment, you will contribute to technically robust, sustainable and innovative treatment solutions across nationally significant projects.

This is a rare opportunity to join at a key stage of our UK growth journey, helping to establish, shape and expand a civil engineering capability built on Egis’ global infrastructure expertise and long-term commitment to the sector.

Key Responsibilities

• Lead civil design delivery on multidisciplinary water, wastewater and bioresources/sludge treatment projects across the full design lifecycle.
• Act as civil technical lead on projects, owning civil design strategy, key technical decisions, interfaces, risks, quality and assurance of deliverables.
• Review and approve civil calculations, layouts, models, drawings, specifications, schedules, hydraulic models, design reports, technical notes and supplier/contractor submissions.
• Lead civil design for treatment works, tanks, channels, chambers, hydraulic structures, buried/above-ground structures, pipework support zones, drainage, access, foundations, platforms, utilities and site layouts.
• Lead civil input to optioneering, value engineering, design reviews, HAZOP/SWIFT, CDM/safety-by-design, carbon reduction, constructability, maintainability and commissioning reviews.
• Drive multidisciplinary coordination across Process, Mechanical, EICA, structural, geotechnical, architectural, construction, commissioning and operations teams.
• Promote lean and digitally enabled delivery through standardised tools, BIM/3D coordination, data-led design, reusable templates, model-based delivery and efficient QA workflows.
• Provide civil technical assurance and support project managers with technical risk, discipline scope, resourcing, programme, budget, change control and design governance.
• Lead engagement with clients, operators, contractors, suppliers and technology providers to resolve technical issues and shape robust civil design solutions.
• Mentor and manage engineers where appropriate, supporting recruitment, development, chartership progression and growth of the civil capability.
• Contribute to bids, client engagement, opportunity shaping, technical proposals and development of Egis’ UK civil engineering capability in water.

Minimum Requirements

• BEng/MEng or equivalent in Civil Engineering.
• Chartered Engineer status with a recognised professional institution such as ICE, or equivalent senior professional standing.
• Typically, 8–10+ years’ relevant civil engineering design experience.
• Background must be from water, wastewater, biosolids/bioresources, environmental infrastructure or other relevant civil engineering design environments.
• Proven ability to act as civil discipline lead or senior technical lead on multidisciplinary projects.
• Strong technical expertise in civil design and hydraulic modelling for treatment works, including hydraulic structures, tanks, chambers, drainage, foundations, site layouts, buried structures, access, constructability and buildability.
• Strong understanding of UK water industry standards, CESWI, CDM 2015, safety-by-design, regulatory drivers, sustainable design principles and common delivery models.
• Ability to coordinate complex multidisciplinary interfaces and resolve civil design issues across Process, Mechanical, EICA, structural, geotechnical, architectural and construction disciplines.
• Strong digital mindset, with experience applying BIM/3D coordination, Civil 3D, hydraulic modelling (e.g. HADES), GIS, automation, data analysis or standardised workflows.
• Good commercial awareness, including experience managing discipline scope, programme, budget, technical risk and change.
• Confident client-facing communicator with experience leading workshops, design reviews, technical assurance discussions and multidisciplinary coordination meetings.
• Experience mentoring or managing engineers and supporting technical capability development.

• Able to travel to operational works and construction sites as required and act safely in live water/wastewater environments.
• Experience contributing to recruitment, resource planning, bid writing, technical proposals, client presentations, service-line growth or new capability development.

Desirable Skills / Knowledge

• Deep experience in wastewater treatment, clean water treatment, sludge/bioresources, water reuse/recycling, energy-from-waste, odour control, chemical dosing, reed beds/NbS, package plant or complex treatment works.
• Experience delivering AMP8, WINEP, SRO, D&B, consultancy-led or contractor-led projects.
• Experience developing civil design standards, calculation tools, drawing/model templates, QA processes, technical specifications or reusable digital workflows.
• Experience leading civil input to HAZOPs, SWIFT reviews, optioneering, value engineering, constructability reviews, commissioning strategies, handover or technical assurance reviews.
• Experience integrating low-carbon design, materials optimisation, offsite manufacture, buildability and whole-life asset performance into civil design solutions.

Please note that you must have the right to work in the UK to be considered for this position.

What’s in It for You?

• An exciting new growth role in a fast‑organic growing UK business, offering clear and accelerated career progression
• Top Employers 2025 - Egis recognised across four continents for excellence in HR practices, having been awarded the prestigious Top Employer 2025 certification. Top Employers Institute is the global authority on recognising excellence in people practices.   
• A global leader in green infrastructure - we’re proud to lead the way in sustainable infrastructure, mobility and energy, innovating across the entire value chain and every aspect of the built environment. 
• Highly competitive reward package
• Hybrid and flexible working
• 26+ days annual leave plus bank holidays
• Professional development, chartership support & global mobility
• Supportive, inclusive culture driven by sustainability and long‑term community impact

Ready to Lead?

Join Egis and play a pivotal role in shaping the future of sustainable water infrastructure across the UK.

We are committed to our planet

In each project we design, engineer and operate we care deeply about the legacy we’re leaving behind. As part of our team, you’ll have a unique opportunity to use your skills and expertise to shape a better future for our communities in the UK, and all around the globe.

Our commitment is translated in the work carried out by our Egis Foundation, which funds concrete actions to address the climate crisis and is focused on educational and social initiatives that will help in the responsible and sustainable shift towards a sustainable world.

We are an Equal Opportunities employer and we strive to build a workforce that truly reflects the communities we represent. We welcome candidates from all backgrounds, regardless of age, disability, gender, gender identity, gender expression, race, religion or belief, sexual orientation, socioeconomic background, and any other protected characteristic. If you decide to apply for an opportunity with us, your application will be assessed based purely on your experience, the essential and desirable criteria, and your suitability for the role. We value each and every one’s contribution as this builds our culture and means that if you work with us, you will be included, listened to, and respected.