Assistant Project Manager

Southern Water; Testwood; Hybrid; GBP 31,000 - 41,000; Full time

Job summary

Southern Water in Testwood, Hampshire, is seeking an Assistant Project Manager to help deliver strategic capital maintenance projects with budgets over £100m. You will work with the Project Manager, Senior Project Manager and external partners to ensure the investment plan is delivered on time, cost and quality, while safeguarding customer supply.

You will manage documentation, coordinate meetings, monitor safety, and support procurement and site inspections.

Qualifications

• Experience coordinating complex projects with multiple stakeholders.
• Ability to maintain up-to-date project documentation and records.
• Strong communication skills with operations, contractors and internal teams.

Responsibilities

• Ensure project documentation is up to date, including contracts and permits.
• Compile and present regular progress reports to stakeholders.
• Act as a point of contact for operations, contractors and other stakeholders.
• Organise and participate in coordination meetings and align all parties.
• Monitor activities for compliance with industry standards and safety.
• Assist in procurement of materials, equipment and services.
• Conduct regular site inspections to monitor progress and address issues.
• Support the PM in resolving conflicts and managing risks.
• Ensure project data is recorded and maintained in project systems.

Skills

Project coordination

Documentation

Stakeholder management

Site inspections

Risk management

Procurement support

Communication

Health and safety

Education

APM Project Management Fundamentals

Job description

Closing Date

2026-09-07

JobTitle: Assistant Project Manager

Location: Testwood, Hampshire (Hybrid)

Contract Type: Permanent

Hours: 37

Salary: From £36,400 based on skills and experience

About the role:

Working with the Project Manager & Senior Project Manager, you will assist in the safe and efficient delivery of strategic capital maintenance projects within Hampshire.

You will be working with external delivery partners, the internal project management team, and other key stakeholders at various levels to deliver a key part of Southern Water’s investment plan, providing asset resilience and securing customers supply whilst helping ensure the project is delivered to time, cost and quality.

What you will be responsible for:

You will get exposure to high value capital maintenance projects with budgets in excess of £100m, providing a challenging but rewarding opportunity for an ambitious Assistant Project Manager to help us deliver the best value to our customers and maintaining our commitment to improving the environment.

• Ensure all project documentation is up to date, including contracts, permits, and other regulatory documents.
• Compile and present regular progress reports to stakeholders, highlighting key developments, issues, and risks.
• Act as a point of contact for operations, principal contractors, subcontractors, and other stakeholders, facilitating effective communication.
• Organize and participate in coordination meetings, ensuring all parties are aligned and informed.
• Monitor project activities to ensure compliance with industry standards and safety regulations.
• Assist in quality control inspections and ensure that any defects or issues are promptly addressed.
• Assist in identifying potential risks and developing mitigation strategies.
• Support the PM in resolving any issues or conflicts that arise during the project lifecycle.
• Assist in the procurement of materials, equipment, and services required for the project.
• Conduct regular site inspections to monitor progress and ensure project activities are on track.
• Ensure that health and safety systems are followed on-site, contributing to a safe working environment.
• Provide support to project team members, helping to resolve any issues and ensuring smooth project execution.
• Handle various administrative tasks such as scheduling meetings, preparing documents, and maintaining project records.
• Ensure that project data is accurately recorded and maintained in project management systems.

What you’ll bring to the role:

This role will make use of your proven track record of excellent organisational skills and ability to communicate effectively, ideally whilst working within Water, Utilities or Engineering industries.

Ideally you will have a foundation qualification in Project Management (e.g. APM Project Management Fundamentals) or are working towards it, but this is an area we can support you with so isn’t essential.

We are keen to hear from applicants who enjoy problem solving, can demonstrate initiative and are passionate about our visions and values as a company.

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.”

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.