WSP in the UK & Ireland
Principal / Associate Wastewater Process Engineer
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Principal / Associate Wastewater Process Engineer
Associate Waste Water Process Engineer – Water Engineering Teams (Locations: Birmingham, Bristol, Manchester, Liverpool, London, Newcastle, Glasgow)
At WSP, you can shape a career as unique as you are. Our global network opens doors to new challenges and opportunities, allowing you to grow both professionally and personally by working with diverse, talented teams.
About the Role
As demand for our expertise rises, we seek an experienced Associate Waste Water Process Engineer to join our Water Engineering teams across key UK locations. You’ll play a crucial role in shaping design deliverables for wastewater and water reuse projects—from feasibility studies to detailed engineering—working in multidisciplinary project teams and contributing to high-profile client projects.
Key Responsibilities
You will collaborate closely with project teams to deliver effective and innovative engineering solutions. Key activities include:
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Process Design Deliverables
- Produce process flow diagrams (P&IDs), mass balance calculations, instrumentation and piping drawings, basis of design reports, and sketches to optimise project solutions.
- undertake outline or detailed process engineering design for wastewater treatment and reuse systems.
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Site Engagement & Inspection
- Participate in site visits for data collection and discussions with operations teams.
- Assess existing and new process performance during site visits.
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Technical & Client-Facing Roles
- Provide technical input during procurement processes and evaluate supplier proposals.
- Support Project Managers in discussions with clients, ensuring alignment on project requirements.
- Engage with technology vendors to assess innovations and best-fit solutions.
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Safety & Risk Management
- Contribute to HAZOP, HAZID, ENVID (Environment, Noise, Dust, Impact) studies, and SWIFT (Suppliers Without Financial Trouble) evaluations.
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Security & Auditing
- Offer technical guidance and supervision for junior engineers.
- Lead ** propoals writing**, scoping, scheduling, and budgeting inputs.
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Collaboration & Integration
- Ensure seamless integration of process engineering designs across multidisciplinary teams.
- Work within time, cost, and quality constraints to deliver collaborative projects.
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What We’re Looking For
We welcome candidates who demonstrate any of the following key qualifications and experiences:
Technical & Industry Expertise
- 5+ years of experience in process engineering design for infrastructure projects, preferably leading process aspects in municipal wastewater, water reuse, or industrial wastewater solutions.
- Hands-on experience with tertiary treatments:
- Filtration, clarification, chemical dosing, phosphorus removal (P removal), Activated Sludge Process (ASP), Moving Bed Biofilm Reactors (MBBR), Membrane Bioreactors (MBR), and other advanced biological treatments.
- Strong understanding of circular economy principles and Zero Liquid Discharge (ZLD) technologies.
- Prior experience in consultancy, engineering companies, or related industrial sectors.
Professional Skills & Attitude
- Self-supervised excellence: Ability to independently prepare/review deliverables (e.g., technical specifications, reports, P&IDs, mass balances, procurement documentation).
- Reactive commercial mindset: Experience with feasibility studies, concept designs, Front-End Engineering Design (FEED), and detailed design.
- Excellent written & verbal communication with fluency to present to various stakeholders (senior colleagues, clients, and contractors).
- Leadership & stakeholder management: Proven track record of leading multi-disciplinary teams, harmonising inputs, and taking ownership in client-facing discussions.
- Technical mentorship: Willingness to meet junior staff needs through guidance, training, and oversight.
Behavior & Commercial Flexibility
- Consultative demeanour: Adaptability to listen, analyse, and synthesise client needs across diverse industries.
- Travel compatibility: Willingness to visit sites for optimal project execution and performance audits.
- Innovation mind-set: Ability to drive efficient, forward-thinking solutions whilst working in a fast-moving consultancy environment.
How to Qualify
No candidates need to fulfill every requirement. Skills and experiences listed above are meant as guidelines, not strict boxes. We’re looking for passion, adaptability, and problem-solving drive. If you can demonstrate relevant strengths—even in a less conventional way—apply anyway!
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Why Join WSP?
We invest in your growth and culture alignment. Find out how our benefits can enrich your career:
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Work-Life Balance
- Hybrid policy: Enjoy two at-home workdays per week while fostering collaboration in our modern offices.
- Own time: The ‘WSP My Hour’ policy gives you a dedicated hour daily for personal pursuits.
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Flexibility & Inclusivity
- Part-time and flexible working enabled to suit your lifestyle.
- Immersive approach: Encourages people to bring their full selves to work, backed by our commitment to diversity, equity, and inclusion (DEI).
- Employee support groups of diverse backgrounds foster a community of inclusion and pride.
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Health & Wellbeing
- Thrive program: Personalised health tools and resources.
- Virtual GP service: Maintain good health via NHS-accessible medical advice.
- Support for menopause, underpinning a more balanced workplace.
- Gymflex: Up to 40% discount on annual gym memberships through our benefits.
- Accommodations provided for employees with special needs.
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Development & Prospects
- Mentee/mentorship programs, Chartership opportunities, and investments in your growth journey.
- Engage in landmark projects, preparing linked-engineering professionals for fulfilling, transformative careers.
About WSP
As a pioneering global engineering and professional services firm, we combine innovation, integrity, and people-centred passion to deliver positive, lasting impacts in local communities and industries worldwide.
We welcome applications from talented candidates irrespective of gender, race, age, disability, sexual orientation, religious or marital status. We are a Disability Confident Leader, and we commit to interviewing all disabled applicants who meet the essential criteria. Please let us know if you would benefit from adjustments to your application process.
Apply today and create a legacy of meaningful work. Help us shape a sustainable future—your way.
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