Senior Project manager 13

Southern Water; Lewes; Hybrid; GBP 65,000 - 95,000; Full time

Job summary

Southern Water in Falmer/Durrington (Hybrid) seeks an experienced Senior Project Manager to deliver major capital projects with budgets up to £100 million. You will lead multidisciplinary teams from planning through execution within our Major Projects Capital Deliver Team.

The role requires driving scheduling, procurement, design, and construction activities, aligning estimates, milestones, and governance to ensure on-time, on-budget delivery. Travel to sites is expected.

Qualifications

• Proven experience delivering complex infrastructure projects in utilities, water, or construction.
• Strong ability to lead multidisciplinary teams and manage risk.
• Excellent stakeholder communication and strategic thinking.

Responsibilities

• End-to-end project leadership—drive schedule, budget, and quality.
• Create and manage project schedules with milestones across design, procurement, sign-off, construction.
• Drive efficiency, collaboration, and rapid resolution of issues to keep the programme on track.
• Coordinate internal teams and external partners with clear, shared goals.
• Report progress, forecast, and risk to inform decisions and reduce exposure.
• Support the Senior Project Manager and maintain programme clarity.

Skills

Infrastructure project management

Stakeholder management

Risk forecasting

Leadership

Job description

Closing Date

2026-09-14

JobTitle: Senior Project Manager

Location: Falmer/Durrington (Flexible/Hybrid)

Contract Type: Permanent

Hours: 37

Salary: Competitive

About the role:

We are looking to recruit an experienced Project Manager to join our dynamic team in the Major Projects Capital Deliver Team, delivering critical water and wastewater projects with budgets of up to £100 million as part of our 5-year AMP cycle.

This is your opportunity to make a lasting impact in a role where no two days are the same—leading multidisciplinary teams, managing complex programmes, and driving real change across the sector

What you will be responsible for:

As Project Manager, you’ll sit at the heart of project delivery—orchestrating everything from initial planning through to execution and completion.

You’ll align estimating, scheduling, procurement, design, and construction to ensure smooth, efficient progress.

• End-to-end project leadership—meeting schedule, quality, and budget objectives
• Creating and managing project schedules including key milestones (design, procurement, stakeholder sign-off, construction, etc.)
• Driving efficiency, facilitating collaboration, and resolving challenges quickly to keep the programme on track
• Coordinating internal teams and external partners, ensuring clear communication and shared goals
• Reporting on progress, forecasting, and risk to inform business decisions and reduce exposure
• Supporting strategic programme clarity alongside the Senior Project Manager

What you’ll bring to the role:

We’re looking for someone who brings proven experience in delivering complex infrastructure projects—ideally within utilities, water, or construction—and who thrives on solving problems and driving progress.

You’ll be a strategic thinker who can unite multidisciplinary teams and stakeholders around clear goals, keeping projects on track and aligned with the bigger picture.

If you’re confident managing risk, forecasting with precision, and balancing commercial priorities while delivering to time, cost and quality, you’ll feel right at home in this role.

As you will be required to travel to sites 2 day per week, a full, UK Driving Licence & access to a vehicle is essential.

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

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.