Egis Group
Principal Process Engineer - Water / Wastewater
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Company Description
Role: Principal Process Engineer – UK Water/Wastewater Specialisations: Water | Wastewater | Biosolids/Sludge | AMP 8 | SROs | MEP-Led Team Location: London, Bristol, Manchester (Hybrid)
Egis is an expanding force in UK infrastructure backed by a global team of 23,500+ experts in 70+ countries. Offering design and delivery of sustainable water infrastructure, we address climate challenges and strengthen community resilience.
As part of our UK Water team, you’ll join a fast-paced environment where rapid progression, visibility, and immediate impact are assured.
Job Description
### About the Role
The UK water sector is entering a period of transformation with significant investment opportunities. Egis, accelerating its UK Water Business growth, is establishing a top-tier Process Engineering team to define this new chapter.
We are seeking applicants to develop critical water and wastewater programmes in the UK municipal and industrial sectors. Within a collaborative, multidisciplinary setting, you’ll optimise technically robust, sustainable, and innovative solutions for nationally significant projects.
This is a unique opportunity to contribute from the early growth phase of Egis’ UK capability, guided by our global expertise and long-term sector commitment.
Key Responsibilities
- Lead design delivery across all stages of the water/wastewater treatment lifecycle.
- Act as senior technical lead, managing process strategy, decision-making, risk assessment, and delivery quality.
- Review and validate process calculations, mass balances, PFDs, P&IDs, design reports, and vendor submissions.
- Direct process modelling/simulation (e.g., BioWin, SUMO, Dynamizu).
- Conceive optioneering, capacity assessments, and value engineering routes.
- Facilitate multidisciplinary collaboration across drainable engineering, MEP, construction, commissioning, and operations.
- Champion lean and digital delivery by standardising processes, automation, and reusable models.
- Provide technical risk assessment support for project managers.
- Mentor engineers and contribute to talent development and recruitment pathways.
- Shape bids, client engagement, and process capability expansion.
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Requirements
Minimum Qualifications
- Bachelor/Master’s degree (BEng/MEng) in Chemical Engineering, Process Engineering, or a related discipline.
- Chartered (CEng) or Incorporated (IEng) status with a professional institution (e.g., IChemE).
- 8–10+ years of experience in water/wastewater/biosolids design.
- Background in process design decision-making, mass balancing, PFD/P&ID development, and technical reviews.
- Experienced with modelling tools (e.g., BioWin, SUMO, Dynamizu).
- Comprehensively understands UK sector norms, CDM 2015, and regulatory frameworks.
- Demonstrated capability to spearhead client engagements, including workshops, reviews, and technical discussions.
- Experience authoring training/mentoring strategies and career progression support.
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Desirable Qualifications
- Advanced expertise in wastewater, sludge, nutrients removal, water reuse, or optimisation.
- AMP8, SRO, framework, or alliance project experience.
- Advanced proficiency in dynamic modelling/optimisation.
- Skills in process standardisation, QA protocols, and digital template development.
- Experience in bid development, proposal writing, or new market expansion.
Benefits & Culture
- Accelerated career growth in a high-impact, rapidly expanding UK business.
- Top Employer 2025 (globally recognised for excellence in HR practices).
- Global leader in green infrastructure, fostering sustainable innovation.
- Competitive remuneration package.
- Hybrid/flexible working environment.
- 26+ days annual leave, inclusive of public holidays.
- Career development, support for Chartership, and global mobility.
- Supportive, inclusive workplace rooted in sustainability.
- Equality, diversity, and inclusion are deeply embedded in our ethos; all suitably qualified candidates are encouraged to apply.
Impact & Commitment
Join Egis and direct the future of UK water infrastructure. Employed rewarding work that aligns with our climate-positive mission via the Egis Foundation, delivering financial and social initiatives for a sustainable future.
Our diverse teams welcome applicants from any background, assessed solely for ** suitability, skills, and experience**.
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