Egis Group
Mechanical Engineer – Water / Wastewater
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Company Description
Egis | UK Water/Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team
Shape the Future of Water Infrastructure with Egis
• London | Bristol | Manchester (Hybrid) • Mechanical Engineering Design | UK-Wide Impact | High-Growth Environment
Egis is expanding rapidly in the UK, backed by a global team of over 23,500 experts across 70+ countries. We design and deliver intelligent, sustainable infrastructure to combat climate challenges and enhance 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.
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 Mechanical Engineering team to help shape this next chapter.
We are inviting applicants enthusiastic about playing a meaningful role in delivering major water and wastewater programmes in the UK. 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 Mechanical Engineering capability built on Egis’ global infrastructure expertise and long-term commitment to the sector.
Key Responsibilities
- Contribute to mechanical design packages across feasibility, optioneering, concept, outline, and detailed design for UK water/wastewater treatment projects.
- Prepare mechanical calculations, specifications, datasheets, schedules, technical notes, P&IDs, layouts, drawings, and procurement documentation under senior guidance.
- Support equipment sizing and selection for assets such as pumps, pipework, tanks, valves, penstocks, screens, grit removal plant, odour control systems, lifting equipment, and packaged plant.
- Attend site visits, asset surveys, and data collection activities (including discussions with operators, suppliers, and technology providers).
- Support multidisciplinary coordination with Process, EICA, civil/structural, architectural, and construction teams.
- Contribute to CDM/safety-by-design reviews, design risk assessments, constructability reviews, and commissioning/handover support.
- Use digital tools, spreadsheets, models, and data analysis to improve design quality, efficiency, and consistency.
- Work to agreed scope, budget, and programme, escalating risks and issues early.
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Qualifications
Minimum Requirements
- BEng/MEng or equivalent in Mechanical Engineering.
- Typically 4+ years’ relevant mechanical engineering design experience.
- Background must be from water, wastewater, biosolids/bioresources, or oil & gas.
- Experience preparing mechanical design deliverables such as calculations, specifications, datasheets, schedules, reports, drawings, or procurement documentation.
- Understanding of mechanical equipment, pumping systems, pipework, valves, and associated treatment/process plant.
- Working knowledge of CDM/safety-by-design, design risk management, and quality assurance processes.
- Ability to work with multidisciplinary teams and contribute to integrated, buildable, and maintainable solutions.
- Good digital capability, including Excel, and relevant design, modelling, or drawing tools.
- Ability to travel to operational works, construction sites, and supplier facilities as required.
Desirable Skills / Knowledge
- Experience in municipal water treatment, wastewater treatment, sludge/bioresources, water reuse, pumping stations, packaged plant, or process plant.
- Exposure to AMP8, WINEP, SROs, D&B, framework, or alliance delivery environments.
- Experience with pump selection, headloss calculations, hydraulic analysis, P&IDs, WIMES-style datasheets, 3D/BIM coordination, or digital design tools.
- Progress towards IEng or CEng with a relevant professional institution, such as IMechE.
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Note: Candidates must have the right to work in the UK.
Additional Information
What’s in It for You?
- Exciting new growth role in a fast-organically growing UK business, offering clear and accelerated career progression.
- Top Employers 2025 – Egis recognised across four continents for excellence in HR practices, awarded the Top Employer 2025 certification.
- As a global leader in green infrastructure, we innovate across the entire value chain and built environment.
- Highly competitive reward package.
- Hybrid and flexible working.
- +26 annual leave days plus bank holidays.
- Professional development, chartership support, and 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.
Our Commitment
- Environment: Sustainability is at the core of everything we do. We care deeply about the legacy of our projects, ensuring they contribute to climate action and community resilience.
- Egis Foundation: Our dedication is reflected in funded climate initiatives and social programmes supporting education and sustainable transitions.
Our Values
- We are an Equal Opportunities employer and strive to build a workforce that truly reflects the communities we represent.
- We welcome diverse candidates from all backgrounds, regardless of age, disability, gender, race, religion, or sexual orientation.
- Applications will be assessed based on qualifications, experience, and suitability for the role, ensuring equal opportunities.
Business Line: Energy and Sustainable Cities Service Line: Water Technical Region: Europe and Africa Job Family: Project Management - Engineering
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