SES Water has a rich history of serving communities in the South East of England. Water plays an important role in our lives, which is why we’re committed to supplying our customers with access to 160 million litres of safe, reliable, clean water every day.
We’re proud to be part of Pennon Group, a leader in the UK water sector, working towards a greener future. Our goals? As well as lowering our carbon footprint, we’re working with partners to plant 300,000 trees, restore peatlands and supporting farmers and landowners to improve water quality and wildlife.
Whether you’re starting out or seeking a new challenge, our scale and ambition create opportunities for you to shape your own career.
Ready to make a splash? Join our team today.
Role Overview
We are seeking a highly skilled
Senior Water Resources Planner to lead the strategic planning and management of water resources for SES Water.
This is a pivotal leadership role responsible for ensuring long-term water supply resilience, regulatory compliance, and delivery of key programmes including the Water Resources Management Plan (WRMP), regional planning through WRSE, and drought planning.
You will provide technical expertise, strategic direction, and stakeholder leadership—working across the business and with external partners to shape sustainable water resource solutions for the future.
Key Responsibilities Strategic Leadership & Planning
Lead development and ongoing delivery of the Water Resources Management Plan (WRMP) Own and deliver long-term water resource strategy aligned with regulatory requirements Conduct annual reviews of water resource position and identify emerging risks Develop future supply strategies and investment plansTechnical & Analytical Oversight
Oversee modelling, data analysis, and forecasting of water availability and demand Use data-driven insights to inform strategic decisions and prioritise initiatives Ensure modelling capability meets current and future regulatory planning needs Guide consultants supporting strategic planning deliveryProgramme & Delivery Management
Oversee WRMP improvement commitments and report progress to senior leadership Support delivery of Drought Plans and environmental programmes (e.g. WINEP) Develop business cases and support investment planning processes Manage budgets and resource allocation effectivelyStakeholder Engagement & Partnerships
Build and maintain strong relationships with regulators (Environment Agency, Ofwat, Natural England) Collaborate with regional groups, local authorities, and industry partners Represent SES Water in regional planning forums (e.g. WRSE)Risk & Resilience
Identify risks including drought, environmental impact, and infrastructure challenges Develop mitigation strategies to ensure resilient and sustainable water supplyAbout You Essential Experience
Strong background in water resources management, environmental planning, or similar Proven experience delivering strategic planning programmes Experience working within a regulated environment (ideally water industry) Demonstrated leadership or management experience Strong project and stakeholder management skillsKey Skills & Behaviours
Strategic thinker with strong analytical capability Excellent communication and stakeholder engagement skills Ability to manage multiple priorities and complex projects High attention to detail and organisational skills Collaborative approach with the ability to influence at senior levelsQualifications
Degree in Science, Environmental, Engineering or related discipline (required) Professional membership (e.g. CIWEM) desirableWhat Success Looks Like
Delivery of a robust, compliant and forward-looking WRMP Strong partnership with regulators and regional stakeholders Clear, data-driven investment decisions supporting long-term resilience A high-performing, collaborative water resources planning functionClosing Date: 1st July 2026
We may close this vacancy early if we receive a high volume of applications. We encourage you to apply as soon as possible.
Please note that the successful candidate will be subject to a mandatory DBS check as part of the onboarding process. Be yourself, we like it that way. Together, we will build a culture of belonging, where inclusion is instinctive. Diversity is our strength and a reflection of our communities. We care, we value everyone, we celebrate uniqueness.
Our core values, which are essential to our success, are:
Be Rock Solid - Build trust and be trusted. Be the one we all look to and can depend on.
Be You - We want you to bring your best everyday. Be yourself and make your mark in your individual way.
Be the Future - Embrace change. Drive Progress. Own the challenge.
Division
South West Water
Department
Engineering, Technical and Scientific
Locations
Redhill
Yearly salary
£55,000 - £65,000
Employment type
Full-time
About South West Water
We look after the water and wastewater services for 1.8 million customers across Cornwall, Devon, the Isles of Scilly and parts of Dorset and Somerset.
From treatment and maintenance, to innovation and improvements, we're busy every day finding and fixing leaks, unblocking sewers and going bigger and further in our environmental work to be a company you can be proud of.
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