Senior Water Process Engineer - Water

Southern Water is currently looking for a Senior Process Engineer to join their water Process Engineering Team based in Brighton. Working as part of a dynamic and multiskilled team, you will be responsible for providing technical support in producing design deliverables on water treatment projects and supporting site operations.

What you will be responsible for:

• You will be responsible for producing process calculations, control philosophies, process flow diagrams, process and performance specifications, P&IDs, compliance and commissioning plans.
• You will be responsible for leading innovative process solutions which contribute to TOTEX efficiencies.
• As part of site operations support, you will be providing expertise in improving site performances, supporting commissioning activities, implementing optimisation measures and troubleshooting water treatment plants.
• You will have a demonstrable track record and experience in delivering water treatment process design with a good understanding of operations, optimisation and commissioning.
• You will be responsible for mentoring junior process engineers.
• You will have a good understanding of developments in the industry and innovation.
• You will have proven skills in analysing data to evaluate the performance of existing assets and develop process solutions.

Please note that to be successful in this role, you will need to have a background in water treatment companies/water treatment design/consultancy.

What you’ll bring to the role:

• The successful candidate will have an MEng/BEng/BSc in Chemical Engineering or equivalent. Ideally, you will be a Chartered member of a relevant professional institution.
• This role will provide you an excellent opportunity to further develop your career in a highly supportive and collaborative environment.
• You will need to have proven and demonstrable experience in delivering water projects and site operation support for UK Water Companies.

Southern Water is at the forefront of transforming Britain’s 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.

Our mission is to protect and enhance life through water—and we need passionate people to help us achieve it. If you’re inspired by our purpose and believe you can contribute, apply today. You don’t need to meet every criterion; what matters most is your drive to make a difference.

In line with Southern Water’s security requirements, successful candidates will be required to provide evidence of their identity, eligibility to work in the UK, criminal record check (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 pre‐employment 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.

We value diversity and are committed to providing an inclusive and accessible recruitment process. If you require any reasonable adjustments to facilitate your participation in the recruitment process, please do not hesitate to let us know.