Principal Civil Engineer - Water ​/ Wastewater

Principal Civil Engineer
- Water / Wastewater Egis Group
- Bristol, England, United Kingdom Job Description 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.

• 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.

• 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…