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Senior Water Quality Modeller
Senior Water Quality Modeller – Bristol
We’re Sweco. We’re future planners, city shapers, urban innovators, digital transformers, net zero chasers, community connectors, social enterprisers and lifestyle improvers. We're difference makers.
Europe’s leading design, engineering, environment and regulatory consultancy, we’re now recruiting for a:
Senior Water Quality Modeller
Location: Bristol Working Arrangement: Flexible with a minimum of 3 days per week in the office + option for adjusted start/finish times.
About the Role
As part of the Water team, you’ll champion sustainable water resource management to protect the water environment, improve resilience against flood risks and climate change. Key responsibilities include:
- Supporting water companies through AMP8, addressing critical water quality challenges such as storm overflows, compliance risks and environmental targets.
- Providing technical leadership in Urban Pollution Modelling (UPM), advising on strategic and regulatory solutions.
We’ll support you to develop expertise and become a key difference-maker in transforming sustainability efforts.
Key Responsibilities
Water Model Development & Review
- Develop, calibrate, audit and interpret models to assess water quality performance in sewerage catchments and receiving waters.
- Undertake Urban Pollution Modelling (UPM) studies to investigate compliance failures and associated risks.
Technical Support & Software Expertise
- Guide decision-making on the selection and application of modelling tools, including SIMCAT, SAGIS, InfoWorks ICM, MIKE and GIS.
- Appraise improvement options to address water quality issues (e.g., combined sewage overflows, CSOs and intermittent discharges).
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Compliance & Environmental Reporting
- Prepare Water Framework Directive (WFD) compliance assessments for regulatory submissions.
- Where applicable, design, model and implement Natural Flood Management (NFM) measures.
Reporting & Technical Output
- Produce technical reports and environmental impact assessments for clients and regulators.
Requirements & Qualifications
To excel in this role, you will:
- Have significant experience in water quality and hydrology, applied across varied projects.
- Hold a degree (or equivalent) in a relevant field, such as:
- Geography
- Engineering (e.g., Civil/Environmental)
- Environmental science
- Mathematics
- Demonstrate strong proficiency with hydrological/water quality modelling software and environmental assessment tools.
- Prove leadership and project management skills, delivering within deadlines and quality frameworks.
- Have knowledge of:
- Flood Risk Assessment Techniques
- Natural Flood Management (NFM)
- Sustainable Drainage (SuDS)
- Be working towards or hold chartered status (preferably, e.g., C.Eng or C.WEM).
Why Join Sweco?
This role offers more than just a career—it’s an opportunity to shape a sustainable future. We pride ourselves on a collaborative, supportive culture, blending deep technical expertise with a commitment to accountability and forward-thinking.
Employee Benefits
- Flexworks Policy: Hybrid working flexibility.
- Competitive benefits:
- Job-related professional subscription reimbursement.
- Life Assurance & Private Medical Insurance.
- 25 days holiday (plus option to buy up to 5 extra days).
- Cycle2Work Scheme and Electric Vehicle Salary Sacrifice.
- Employee Assistance Programme for wellbeing support.
- Discounts via Sweco Benefit Select (Faircare).
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Our ethos? Transforming society together. Every day matters.
About Sweco
We’re building future-proof communities through smart urban design, sustainable infrastructure and cutting-edge technology.
Ambitions pair global knowledge with local solutions, ensuring we meet real-world challenges today and tomorrow. Whether it’s addressing urbanisation, climate resilience or innovation—we’re your relevant partner.
- An equal opportunities employer, we commit to an inclusive culture where every voice matters.
- Signed the Armed Forces Covenant, recognising the contributions of service personnel and their families.
- Real Living Wage Employer, supporting all colleagues. Within these principles, everyone thrives and contributes.
We actively encourage applications from underrepresented groups and enthusiastically support applicants under the Equality Act, especially those opting for guarantees.
Note on reasonable adjustments: Sweco values inclusive recruitment practices. If you have a disability requiring support for the application process, please reach out to GB_Function-HR-Resourcing@sweco.co.uk. Ensure your request includes your name, contact method, job title and requisition details.
Monster Recruitment: In instances where internal hiring teams require external recruitment assistance, we maintain a Preferred Supplier List. However, speculative CVs are not accepted. Unauthorised CVs will be processed internally without payment.
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Important: We reserve the right to close vacancies in advance of the advertised end date.
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