Egis
Mechanical Engineer - Water / Wastewater
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Mechanical Engineer – UK Water/Wastewater
Specialist Areas: Water | Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team
Location: London | Bristol | Manchester (Hybrid)
About Egis
Egis is a globally recognised infrastructure partner, backed by over 23,500 experts across 70+ countries. We deliver intelligent, sustainable infrastructure to combat climate challenges and strengthen community resilience.
As part of our fast-growing UK Water team, we’re expanding our Mechanical Engineering capability—where progression is rapid, visibility is high, and your impact is immediate.
This is your chance to shape the future of UK water infrastructure.
About the Role
The UK water sector is undergoing unprecedented investment and transformation. As Egis scales its Water Business in the UK, we’re seeking talented Mechanical Engineers to deliver technically robust, sustainable, and innovative treatments solutions across major national projects.
You’ll join a collaborative, multidisciplinary environment and help establish our UK Mechanical Engineering capability, leveraging Egis’ global 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.
- Develop mechanical calculations, specifications, datasheets, schedules, technical notes, P&IDs, layouts, drawings, and procurement documentation under senior guidance.
- Support equipment sizing and selection for assets including:
- Pumps
- Pipework, tanks, valves
- Penstocks, screens, grit removal plant
- Odour control systems, lifting equipment, packaged plant
- Conduct site visits, asset surveys, and data collection, engaging with operators, suppliers, and technology providers.
- Collaborate with multidisciplinary teams (Process, EICA, civil/structural, architectural, construction) for streamlined design solutions.
- Contribute to CDM/safety-by-design reviews, design risk assessments, constructability reviews, and commissioning/handover support.
- Apply digital tools (spreadsheets, models, data analysis) to enhance design quality, efficiency, and consistency.
- Adhere to scope, budget, and programme, escalating risks and issues early.
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Qualifications & Experience
Minimum Requirements
- BEng/MEng or equivalent degree in Mechanical Engineering.
- 4+ years’ relevant mechanical engineering design experience, preferably in:
- Water, wastewater, biosolids/bioresources, or oil & gas.
- Experience preparing mechanical design deliverables, including:
- Calculations, specifications, datasheets, schedules, reports, drawings, procurement documentation.
- Strong technical understanding of:
- Mechanical equipment, pumping systems, pipework, valves, and treatment/process plant.
- Knowledge of CDM/safety-by-design, design risk management, and quality assurance processes.
- Ability to collaborate in multidisciplinary teams, ensuring buildable and maintainable solutions.
- Digital proficiency (Excel, design tools, modelling/drawing software).
- Willingness to travel to operational sites, construction projects, and supplier facilities as required.
Desirable Skills/Knowledge
- Experience in:
- Municipal water treatment, wastewater treatment, sludge/bioresources, water reuse, pumping stations, package plants.
- Familiarity with:
- AMP8, WINEP, SROs, D&B, framework, or alliance delivery environments.
- Expertise in:
- Pump selection, headloss calculations, hydraulic analysis, P&IDs, WIMES-style datasheets.
- 3D/BIM coordination or digital design tools.
- IEng/CEng professional development towards chartership with a body such as IMechE.
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Additional Information
What’s in It for You?
- Accelerated career progression in a high-growth, hybrid team.
- Top Employer 2025 Certified – Recognisable excellence in HR by the Top Employers Institute.
- Leadership in green infrastructure, driving sustainable mobility and energy solutions.
- Competitive reward package aligned with industry standards.
- Flexible/hybrid working (up to 23 days remote per year).
- +26+ days annual leave (excluding bank holidays).
- Professional development (chartership support, global mobility opportunities).
- Supportive, inclusive culture centred on sustainability and community impact.
Egis Commitment
Environmental Impact
Every project we design embolises our mission to build a sustainable future. By joining us, you’ll have a pivotal role in shaping resilient water infrastructure for the UK—and beyond.
Investing in the Future
Through the Egis Foundation, we fund initiatives addressing: ✔ Climate action ✔ Education sustainability ✔ Social impact projects
Equal Opportunities Statement
Egis is an Equal Opportunities employer. We celebrate diversity and welcome applications from all backgrounds, regardless of: 🔹 Age | Disability 🔹 Gender | Gender identity 🔹 Race | Religion or belief 🔹 Sexual orientation 🔹 Socioeconomic background
Your candidacy will be evaluated on merit, experience, and suitability—not personal characteristics. We promise an environment where inclusion, respect, and collaboration thrive.
Ready to Lead? Shape the future of UK water infrastructure with Egis today. Join our team and drive sustainable change.
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