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Wastewater Network Specialists Principal to Specialist


Job Location:

Chichester - UK

Monthly Salary: Not provided by the employer
Posted: 10 August 2026 (27 days ago)
Application Deadline: 7 November 2026
Vacancies: 1 Vacancy

Job Summary

Closing Date

Job Title: Wastewater Network Specialists (from Principal to Specialist)

Location: Flexible (within our region) hybrid working office site and home based

Contract Type: Permanent

Hours: 37 Monday to Friday

Salary: dependent on level (Specialist Principal) and experience

Join Southern Waters Clean Rivers & Seas Task Force and play a leading role in delivering one of the UKs most ambitious environmental programmes.

Storm overflows are very provocative and not acceptable to our customers and stakeholders. We want to lead the charge in resolving the current situation. Thats where our Clean Rivers & Seas Task Force comes in implementing pioneering and industry-leading solutions to reduce spills and reliance on overflows whilst also enhancing the environment for our communities.

We are recruiting across multiple levels of Wastewater Network Specialists (from Principal to Specialist) which have been newly created to join our Clean Rivers & Seas Task Force.

About the role

Critical technical roles which ensure we have a technically creditable programme of works that delivers the spills reduction where we need it at the right pace. The Specialist role will be experienced in wastewater engineering/modelling and contribute to technical expertise. The Principal will provide technical authority guide programme direction and influence decisions.

What you will be responsible for:

  • The role will involve analysing wastewater catchment performance modelling scenarios proposing and reviewing technical solutions and monitoring performance.
  • Contribute tothe technical design and assurance of the storm overflow programme provide input options challenge steer and governance to ensure we design & deliver a technically feasible set of interventions for our AMP8 programme.
  • Undertake the technical assurance of benefits from the storm overflow programme design monitoring programmes conduct modelling & analysis to ensure we measure the benefits of the interventions and justify our PR24 assumption base to secure circa 2billon investment.
  • Support innovative approaches for analysis with our Technical Lead and other thought leaders internally in academia across the UK water industry and the supply chain.

What youll bring to the role:

  • You will have a strong technical bias (ideally engineering).
  • Experience using a variety of analytical tools packages (InfoWorks ICM SQL R GIS)
  • You love data and have superior data analytical skills.
  • You will have hydraulic modelling experience (highly desirable).
  • The ability to challenge colleagues and the supply chain to ensure robust interventions are designed and delivered.
  • Degree level technical (BEng MSc) qualifications in engineering or equivalent experience.

Southern Water is at the forefront of transforming Britains water industry investing significantly to enhance resilience sustainability and service excellence. With 7.8bn planned investment for 2025-30 this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.

You will be joining at a time of significant change working alongside a highly skilled leadership team with a clear vision for the future. We offer an environment where senior professionals can make a meaningful impact influence major strategic decisions and drive long-term value creation.

At Southern Water we believe diverse perspectives drive innovation. If youre passionate about making a positive impact and think you can bring value to our team wed love to hear from youeven if you dont tick every box. Your unique skills and experiences could be exactly what we need.

If this role isnt quite what youre looking for but are keen to be contacted about opportunities at Southern Water you can register your details here: Introduce Yourself (- Introduce Yourself)

Our Commitment to Diversity

We welcome applicants from all backgrounds identities and experiences. We do not discriminate based on race ethnicity gender sexual orientation age disability religion or any other protected characteristic. If you need reasonable adjustments during the recruitment process please let us know.

Additional information

In line with Southern Waters security requirements successful candidates will be required to provide evidence of their identity eligibility to work in the UKcriminal recordcheck (DBS)and verification of their employment and/or education history for the past three years.

Appointment to this role is subject to the successful completion of all preemployment checks including security vetting.

Please note that if a candidate does not meet the required security standards or fails to pass the vetting process Southern Water reserves the right to withdraw the offer of employment. Some positions may also requirehigher levels of security vetting which may involve providing additional documentation.

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Required Experience:

Staff IC


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Welcome to the Southern Water website. We provide water and wastewater services to East and West Sussex, Kent, Hampshire and the Isle of Wight.

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