Egis Group
Process Engineer - Water / Wastewater
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Company Description
Water | Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team
Shape the Future of Water Infrastructure with Egis
Locations: London | Bristol | Manchester (Hybrid)
Fields of Expertise: Process Engineering Design | UK–Wide Impact | High–Growth Environment
Job Description
About Egis
Egis is rapidly expanding in the UK, supported by a global team of over 23,500 experts across 100+ countries. Focused on designing and delivering intelligent, sustainable infrastructure, they address climate challenges and enhance community resilience. The fast–growing UK Water team offers progression, high visibility, and immediate impact in agile environments. Your input matters from day one.
About the Role
The UK water sector is undergoing a historic period of investment and transformation. As Egis accelerates its growth in the UK Water market, the team is expanding a high-performing Process Engineering capability to drive this evolution.
We are seeking applicants who wish to contribute meaningfully to major water and wastewater initiatives in both municipal and industrial sectors. Within a collaborative, multidisciplinary environment, you will shape technically robust, sustainable, and innovative solutions essential for nationally significant projects.
This is a rare opportunity to join at a critical stage of UK growth. As part of Egis’ team, you will develop and expand a process engineering capability rooted in global infrastructure expertise and a long-standing sector commitment.
Key Responsibilities
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Support process design packages across the following stages:
- Feasibility
- Optioneering
- Concept
- Outline design
- Detailed design (for UK water/wastewater treatment projects)
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Produce process-focused deliverables under senior guidance, including:
- Process calculations
- Mass balances
- Basis of design reports
- Process flow diagrams (PFDs)
- P&IDs (Piping and Instrumentation Diagrams)
- Sketches
- Slides
- Technical notes and datasheets
- Schemes or schedules
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Support treatment process selection, hydraulic/process capacity checks, and existing asset assessments
-
Engage in fieldwork activities:
- Site visits
- Asset surveys
- Data collection (workshops with operators, suppliers, technology providers)
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Collaborate in a multidisciplinary environment, ensuring alignment with teams focused on:
- Mechanical design
- EICA (Electrical, Instrumentation, Control and Automation)
- Civil/Structural design
- Architectural expertise
- Construction
-
Participate in design and operational safety studies, including:
- HAZOP (Hazard and Operability Study)
- SWIFT (Subsurface Water Impermeability Focused Treatment)
- DSEAR (Dangerous Substances and Explosive Atmospheres Regulations)
- HAZmat Handling Analysis (HAC/HAP)
- CDM/safety-by-design reviews
- Safety certification
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Use spreadsheets, process tools, and advanced outputs (data analysis & simulation) to inform evidence-based design decisions
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Support contractor/supplier reviews, technical queries, commissioning strategies, performance testing, and handover as needed.
Qualifications & Requirements
Minimum Requirements
- A BEng or MEng (or equivalent) in Chemical Engineering, Process Engineering, or a closely related discipline.
- Typically 4+ years of relevant process design experience in the water, wastewater, or biosolids/sludge treatment space.
- Experience preparing technical deliverables, including:
- Process calculations
- Mass balances
- Process flow diagrams
- P&IDs
- Basis of design reports & technical specifications
- Strong grasp of:
- Water/wastewater treatment processes
- Process safety, CDM compliance, and safety-by-design principles
- Quality assurance processes
- Proficiency working within multidisciplinary teams to improve integrated, buildable, and operable treatment solutions
- Strong digital capabilities, including:
- Excel mastery
- Process calculation, data analysis, or modelling tools
- Willingness to travel to:
- Operational works
- Construction sites
- Supplier facilities
Desirable Skills & Experience
- Deep expertise in:
- Wastewater treatment
- Clean water treatment
- Sludge/bioresources recovery
- Water reuse/recycling
- Nutrient removal
- Chemical dosing
- Energy recovery
- Low-carbon treatment
- Familiarity with Framework Environments:
- AMP 8, Water Industry National Eligible Projects (WINEP)
- SROs (Significant Regional Opportunities)
- D&B (Design & Build) contracts
- Framework or alliance procurement models
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Practical knowledge or awareness of process modelling/simulation software, such as:
- BioWin
- SUMO
- Dynamizu
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CGIAR-relevant accreditation: Progress towards IEng (Incorporated Engineer) or CEng (Chartered Engineer) status with a professional institution, preferably via the Institution of Chemical Engineers (IChemE)
Note: Candidates must have the right to work in the UK to be considered for this position.
What’s in It for You?
- An exciting, impactful growth role in the rapidly organic UK Water team, with clear career progression.
- Top Employers 2025 Award (Egis recognised for excellence in HR practices across four continents).
- Global leader in green infrastructure, shaping sustainability agendas in mobility, energy, and the built environment.
- Highly competitive reward package.
- Flexible & hybrid working model.
- Holiday allowance: 26+ days annual leave, plus bank holidays.
- Support for professional development and chartership.
- Global mobility options for career growth.
- A supportive, inclusive culture driven by sustainability, innovation, and social impact.
Ready to Lead?
Join Egis and help shape the future of sustainable water infrastructure across the UK. Together, we will deliver exceptional projects that enhance communities and reduce environmental footprints across the globe.
Egis’ Commitment
- Fostering sustainability through every project and operation.
- Aiding the climate crisis via funded initiatives from our Egis Foundation:
- Educational and social programs for a sustainable future.
- Equal Opportunity Employer: We value individual contributions, rejecting bias, favoring skill, and celebrating diversity in terms of age, disability, gender, gender expression, race, religion, socioeconomic background, and more.
This redundancy ensures candidates are judged on merit, capabilities, and suitability for the significant role.
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