Project Manager

Closing Date

2026-09-14

Job Title: Project Manager 

Location: Sussex (Flexible/Hybrid)

Contract Type: Permanent

Hours: 37

Salary: From £48,000 based on skills and experience

About the role:

Are you ready to lead high-impact infrastructure projects that shape the future of water delivery?

We’re looking for an experienced Project Manager to join our dynamic team, delivering critical water programmes with budgets up to £10 million as part of our 5-year AMP cycle.

This is your chance to drive fast-paced, reactive delivery; leading multidisciplinary teams, managing complex programmes, and making a lasting impact in a role where no two days are the same.

What you will be responsible for:

As Project Manager, you’ll be the driving force behind project delivery; from initial planning through to execution and completion.

You’ll align estimating, scheduling, procurement, design, and construction to ensure seamless progress across every stage.

• Lead projects end-to-end, meeting schedule, quality, and budget targets
• Develop and manage detailed project schedules and milestones
• Facilitate collaboration, resolve challenges, and drive efficiency
• Coordinate internal teams and external partners with clear communication
• Report on progress, forecast risks, and support strategic decisions
• Work closely with Senior Project Manager & Programme Manager to ensure programme clarity 

What you’ll bring to the role:

You bring proven experience in delivering complex infrastructure projects—ideally within utilities, water, or construction.

You’re a strategic thinker, a natural collaborator, and a confident decision-maker who thrives on solving problems and driving progress.

• Have strong leadership and stakeholder management skills
• Are confident in risk management and commercial forecasting
• Can unite teams around shared goals and deliver to time, cost, and quality
• Enjoy working in a fast-paced, purpose-driven environment

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

"We understand that great talent comes in many forms. If this role excites you and you share our commitment to delivering sustainable solutions for our communities, please apply—even if your experience doesn’t perfectly match every requirement. We’ll support your growth and development."

If this role isn’t quite what you’re looking for but are keen to be contacted about opportunities at Southern Water, you can register your details here: Introduce Yourself (myworkdaysite.com- 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 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.