Major Project Sponsor in South Harting

Closing Date

06/11/2026

Job Title: Major Project Sponsor

Location: Falmer-Hybrid- 2 office/ site and remaining WFH across multiple Southern Water sites.

Contract type: Permanent

Hours: 37
Salary: Circa £55K depending on skills and experience

We are seeking a dynamic Major Project Sponsor to lead and support our strategic programmes, ensuring they are aligned with business goals to deliver the intended benefits. If you have experience in project and/or programme sponsorship, project governance, benefits and financial management within the infrastructure or utilities sector, this is an exciting opportunity for you.

Role Overview

Reporting into the Strategic Programme Sponsor, the role holder will ensure the programme vision and programme level strategic objectives are translated to a project level. The Major Project Sponsor will be an advocate for the projects assigned, ensuring delivery teams remain in governance, holding them to account on project financial and schedule performance whilst assisting with appropriate risk management to ensure projects deliver the intended benefits expected of the wider programme.

Key Responsibilities

• Sponsor and oversee project delivery, ensuring objectives, timelines, benefits realisation, and outcomes align with strategic business goals.




• Develop and maintain robust business cases, securing investment approval through governance processes and escalating significant risks or issues where required.




• Provide financial oversight, ensuring projects deliver value for money, remain aligned to approved plans, and effectively manage budgets and forecasts.




• Monitor project performance throughout the lifecycle, ensuring key milestones, governance requirements, and delivery commitments are achieved.




• Build and maintain strong relationships with internal and external stakeholders, including regulators, ensuring effective engagement and transparent communication.




• Drive proactive risk, opportunity, and benefits management to optimise project outcomes and support informed decision‑making.




• Ensure high-quality and timely regulatory submissions, project documentation, and assurance activities are completed to meet compliance requirements.

Knowledge & Experience

• In-depth understanding of the project lifecycle, cost principles, and investment appraisals, either directly as Project Sponsor or via project delivery experience.




• Familiarity with project management practices, gated process reviews, benefits management and value-for-money appraisals.




• Experience in asset management and strategic risk identification and management.




• Exposure to large-scale infrastructure projects, preferably in the water/utilities sector, with knowledge of Regulated industries.




• Understanding of financing models such as DPC/PFI.

Essential

• Experience in project or programme sponsorship ideally within the water or infrastructure sector.




• Exposure to capital delivery of infrastructure projects/ programmes




• Understanding of whole life asset management principles




• A degree or equivalent qualification in a numerate or technical discipline.

Desirable

• Membership of a relevant professional body (e.g., Institute of Asset Management, Chartered Management Institute, RICS, Association of Project Management).

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, You don’t need to meet every criterion; what matters most is your drive to make a difference."

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 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.

Some positions may also require higher levels of security vetting, which may involve providing additional documentation.

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