WSP in the UK & Ireland
Principal / Associate Wastewater Process Engineer
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Principal / Associate Wastewater Process Engineer
Associate Waste Water Process Engineer – WSP
Join a global organisation dedicated to meaningful collaboration and positive change.
At WSP, we offer the opportunity to shape a career as unique as you—combining growth, impact, and a culture where your talents can thrive. With our global expertise and dedication to diversity, success isn’t just about finding a job—it’s about discovering the right one.
About the Role
As our demand for exceptional expertise grows, we’re seeking an experienced Associate Wastewater Process Engineer to join our Water and Wastewater Engineering teams across key locations:
Locations:
- Birmingham
- Bristol
- Manchester
- Liverpool
- London
- Newcastle
- Glasgow
As a key member of multidisciplinary project design teams, you will lead the process engineering design for wastewater and water reuse projects—both in the UK and internationally. Your responsibilities will span from feasibility studies, optioneering, and technical reports to detailed designs, procurement, and construction review, ensuring optimal solutions across diverse, high-profile projects.
Working collaboratively with senior stakeholders, clients, and vendors will allow you to deliver technically sound designs under tight deadlines while supporting our team’s growth.
Key Responsibilities
Your role requires a mix of technical expertise, project leadership, and collaboration. You’ll:
- Design process engineering deliverables such as:
- Optioneering studies
- Process calculations & mass balance data
- Production of Process Flow Diagrams (P&IDs)
- Basis of Design reports
- Design sketches and technical drawings
- Conduct outline/detailed process design for projects
- Lead site visits for data acquisition and meetings with site operators
- Provide technical input in procurement processes, including
- Evaluating supplier proposals
- Act as a technical liaison for Project Managers with clients
- Engage in HAZOP (Hazard and Operability Study), HAZID (Hazard Identification), ENVID (Environmental Impact Reviews), and SWIFT Reviews
- Technical coaching & mentoring of junior staff
- Collaborate with multi-disciplinary teams to ensure alignment between process engineering and overall project design, delivering to time, cost, and quality standards
- Contribute to proposals, work scope, schedules, and budget planning
- Maintain strong client relations, ensuring their needs are met and expectations are surpassed
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What We Look for in You
Discover how you can make an impact as a WSP Associate Waste Water Process Engineer:
- Significant experience in process engineering design—acting as the ** técnicosc lead** for infrastructure projects, from feasibility studies to detailed design.
- Proven expertise in municipal water and wastewater solutions, including:
- Primary, secondary and tertiary treatments (filtration, chemical dosing, nutrient removal, ASP, MBR, MBBR, and other advanced biological treatments)
- Understanding of the circular economy and Zero Liquid Discharge (ZLD) technologies
- Experience in industrial or municipal sector municipal treatment plants
- Consultancy experience in design recommendations, initial scoping, and procurement documentation
- Ability to produce high-quality technical reports, calculations, and presentations for diverse stakeholders
- Excellent communication skills—able to engage confidently, lead client meetings, and present to high-level professionals and but subcontractors
- Leadership of multi-disciplinary meetings and representation of the technical team
- Ability to travel internationally and assess operational performance safely in new and existing systems
Note: Ideal candidates may not meet every requirement; we focus on potential and diversity of employable talent.
About Us
WSP is a leader in engineering and professional services, championing innovation, integrity, and inclusion. With over 11,000 colleagues in the UK and Ireland, we’re committed to creating positive, long-term impacts for communities worldwide. Our global expertise paired with localised solutions ensures meaningful progress for all.
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We believe success starts with people.
WhAT’S IN IT FOR YOU?
• Work-Life Balance
Flexibility is key. Our hybrid policy lets you work two days remotely while still collaborating in-world, in modern offices across the UK.
• Inclusivity & Belonging
At WSP, diversity and authenticity are celebrated. We foster an inclusive culture where all voices are empowered. Employee Resource Groups bring together people of different backgrounds to cultivate belonging.
• Health & Wellbeing
- A dedicated Thrive programme to support physical and mental wellbeing.
- Virtual GP service (linking to NHS/IMC doctors) for easy, flexible health consultations.
- The Gymflex scheme, with up to 40% off annual gym memberships.
- Comprehensive support for menopause, among industry-leading wellness initiatives—including flexible adjustments as needed.
• Flexibility for Balance (WSP My Hour)
Each day, we grant you an extra personal hour—use it how you like, and make it up whenever convenient.
• Career Development
- Training & mentoring opportunities
- Chartership support
- Part-time, flexible, or extended leave options
• Values-Driven Work
Contribute to landmark projects that improve lives—locally, nationally, and globally.
Imagine a better future—start yours with WSP.
Apply now. We can't wait to see what you'll build.
The successful candidate will also receive:
#We Are WSP: A workplace where culture thrives, and teamwork drives impact. We positively encourage applications from all qualified candidates, regardless of background or identity. As a Disability Confident leader, we interview all disabled applicants who meet the essential criteria.ревап assuьstіgs inと述べ workтог, let us know if you require any adjustments.
Everyone fits here—and now’s your chance to join.
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