Closing Date
10/06/2026
Job Title: Assistant Project Manager
Location: Hybrid – Durrington / Falmer / Site-based on operational requirement
Contract Type: Permanent
Hours: 37 hours per week
Salary: Up to £45,000 per annum plus benefits
About the role
We’re looking for an Assistant Project Manager to support the delivery of large-scale Strategic Resource Option (SRO) water infrastructure programmes.
This is an exciting opportunity to be part of nationally significant infrastructure projects (NSIP) that will be developed and delivered over the next 15 years. You’ll work within the Capital Projects Directorate, supporting complex, multi-million-pound programmes that are critical to future water resilience.
Working closely with Project and Programme Managers, you’ll help coordinate project activities, support decision-making and ensure delivery stays on track across cost, schedule and quality.
What you will be responsible for:
1. Supporting project coordination across design, procurement, delivery and closeout
2. Assisting with governance, reporting and assurance for internal and external stakeholders
3. Supporting stakeholder engagement to enable timely decisions
4. Coordinating internal teams, consultants, contractors and framework partners
5. Supporting contract administration activities (NEC3/NEC4), including early warnings and compensation events
6. Assisting with project tracking, including programme, cost and risk management
7. Supporting regulatory engagement with organisations such as Ofwat, Drinking Water Inspectorate (DWI), Environment Agency (EA) and RAPID
Additional requirements specific to the role:
8. Hybrid working with occasional travel to sites and stakeholder locations, therefore driving licence is essential
9. Involvement in site visits to support health & safety and quality compliance
What you’ll bring to the role:
Essential
10. Experience supporting infrastructure, utilities or engineering projects
11. Strong organisational and stakeholder coordination skills
12. Good understanding of project reporting, tracking and performance monitoring
13. Awareness of health & safety regulations, including Construction Design and Management (CDM)
14. Commercial awareness and understanding of budgets and forecasting
Desirable
15. Experience working in a regulated water or utilities environment
16. Knowledge of NEC3 or NEC4 contracts and processes
17. Experience working with consultants, contractors and delivery partners
18. Working towards or holding a qualification in project management, engineering or construction 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.
"At Southern Water, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box. Your unique skills and experiences could be exactly what we need."
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 preemployment 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.