WSP in the UK & Ireland
Senior Wastewater Process Engineer
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Senior Wastewater Process Engineer
Senior Wastewater Process Engineer – Recruitment Notification
About the Role
What if you could shape a career as unique as you?
At WSP, you can always find opportunities to grow and do what matters to you. Leverage our global reach to take on new challenges and collaborate with diverse, talented individuals who will expand your horizons.
We are seeking an experienced Senior Wastewater Process Engineer to join our Water Engineering team in one of the following UK locations: Birmingham, Bristol, Manchester, Liverpool, London, Newcastle or Glasgow.
Forming part of multidisciplinary project design teams, you will play a key role in delivering process engineering designs across a diverse range of water engineering and wastewater reuse projects—nationally and internationally.
Your work will span from early feasibility studies and optioneering through to detailed design packages, procurement support, and review of supplier proposals. As an experienced professional, you will contribute critical input at every stage, ensuring technical excellence and operational efficiency.
Key Responsibilities & Contributions
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Concept to Execution:
- Develop process design deliverables—including optioneering studies, process calculations, mass balances, process flow diagrams, P&IDs, sketches, and basis of design reports—to achieve the most effective project solutions.
- Undertake outline or detailed process engineering design to support project objectives.
- Lead site visits for data acquisition and engage with operational teams to assess current performance and inform design decisions.
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Technical Leadership:
- Provide technical input during procurement, ensuring clarity and reliability in project specifications, supplier briefings, and contract negotiation.
- Support Project Managers in client-facing discussions and technical exchanges.
- Collaborate with technology vendors to align project needs with innovative solutions (e.g., Zero Liquid Discharge, circular economy principles).
- Attend and contribute to technical risk assessments (e.g., HAZOP, HAZID, ENVID, SWIFT analyses).
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Mentorship & Capacity Building:
- Offer technical guidance, mentorship, and professional support to junior engineers, fostering a culture of continuous improvement.
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Integration & Cross-Disciplinary Collaboration:
- Work seamlessly with multidisciplinary teams to ensure process engineering designs are aligned with broader project goals—delivering high-quality work on time, on budget, and compliant with all objectives.
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- Business & Project Contributions:
- Contribute to project proposals, Work Packages (WPs), timelines, budgets, and commercial strategies.
- Client liaison (both external and internal) to confirm project requirements and engage stakeholders confidently.
Requirements
Qualifications
- A Chemical or Environmental Engineering degree (or equivalent) or MSc in a relevant field.
- Professional registration (CEng) or a plan to obtain it within the next 12 months.
Skills & Experience
Essential: ✔ 5+ years’ experience in design-led roles within wastewater treatment—with demonstrated leadership in process engineering for projects (municipal and industrial sectors) across:
- Primary, secondary (MBR, MBBR, ASP), tertiary, and advanced biological treatments.
- Filtration, clarification, chemical dosing, nutrient removal technologies (P removal, N removal).
- Infrastructure of reuse and effluents systems.
✔ Technical fluency across:
- Process design standards (ISSA, CIRIA, UK Water Industry best practices).
- aligned with circular economy and ZLD principles.
✔ Consultancy experience as a Process Engineer (or equivalent in design consultancies).
✔ Independent problem-solving ability with high-quality report writing and confident stakeholder communication (technical reports, client presentations).
✔ Proven track record of leading multi-disciplinary meetings, representing the organisation professionally with external clients.
✔ Travel and site experience:
- Regular site visits for performance assessment and data acquisition.
- Commitment to health and safety protocols.
Future opportunity? Do you meet some—but not all—of our requirements? We’d still love to hear from you. WSP embraces diverse skill sets—what you’ve done may open up innovative avenues for your own and our collective impact.
Why Apply?
Imagining—and delivering—a better future for communities starts by placing your expertise at the forefront of game-changing water infrastructure projects.
At WSP, cutting-edge work is just the beginning. Join us where: 🔹 Visionaries build solutions that endure. 🔹 Every project tells a story of initiative, collaboration, and true impact.
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About WSP
Embedded in local communities yet fortified by global brainpower, **WSP—**the **"World’s Leading Engineering Consultancy (WSP Global)—**shares a strategic core: ✦ Innovation as an engine for progress. ✦ Integrity at the heart of every decision. ✦ Inclusivity as a daily practice.
With 11,000+ professionals across the UK and Ireland, we care deeply about where we operate—while delivering wide-ranging engineering for legacy-building causes.
Benefits
Work-Life Balance
Raise the bar on sustainability with: 🌿 Hybrid working (2 days home-based, with physical collaboration space in 11 modern offices). � aras—even after five. “WSP My Hour” lets you tailor the workday to personalize time for growth, family, and rest.
Inclusivity & Belonging
At WSP, your whole self matters. We celebrate:
🤝 Diverse perspectives across identities (race, disability, LGBTQ+, faith, etc.). 🚀 Employee Resource Groups (ERGs) bring colleagues together to amplify representation. 🜩 Comprehensive health and wellbeing programs: • Virtual NHS GP service • Gym membership discounts (up to 40%) • Adjustable workspaces for all needs
Thriving Careers
Earn more ways to grow: Stay Connected • Flexible learning, mentorship, and Chartership schemes to harness untapped potential. • Thrive program—changing lives, one horizon at a time.
Flexibility
• Earn opportunities to purchase extra paid leave to use anytime. • Customize schedule via part-time, flexible or contract arrangements.
EqUPY Processing, Arbitrating Creativity
At WSP, we positively support applications from all suitably qualified and eligible candidates, regardless of:
🏳️ Sex ☀️ Race ✦ Age 🏳️ Disability 🌈 Orientation 🤝 Marital Status 🌞 Religion 💗 Maternity/Paternity/Gender Affirmations
As a DisabledConfident leader, WSP guarantees interviews to any applicants on the essential criteria list who disclose a disability. All adjustments will be made fairly—that’s our promise.
Take the first step to work with purpose, inspiration, and impact. Apply now via our careers portal—and imagine carving a legacy tomorrow.
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Skills