AMS Change Manager

Overview

Closing Date: 2026-05-15

Job Title: AMS Change Manager

Location: Worthing, West Sussex (Hybrid, 2-3 days per week)

Contract Type: Permanent

Hours: 37, Monday to Friday

Salary: up to £52-55k, depending on skills and experience

There has never been a more important time to join Southern Water. As we move into AMP8, we are delivering one of the most ambitious capital investment programmes in the industry, focused on improving environmental performance, service resilience and long‑term affordability for customers.

About The Role

This purpose of the AMS Change Manager role is to ensure the change impacts are understood and that plans are put in place to enable fast adoption to maximise the benefits of the change programme, whilst ensuring the business is able to deliver a high quality customer experience.

Responsibilities

• Conduct change impact assessments in collaboration with Project Managers, Business Analysts and Southern Water business owners.
• Develop thoughtful and integrated plans that address the impact assessments gaining stakeholder alignment.
• Assess training requirements (Training Needs Analysis) and identify the most appropriate channel for delivery across SW and Capita (onshore and offshore) in line with project needs.
• Lead the development of the training materials in liaison with SW Learning & Development, Capita and SW teams on training approach, content & ownership.

What You’ll Bring To The Role

• Demonstrable expertise and capability as a change management professional.
• Able to produce high quality and engaging comms, key messages and presentations.
• Experience of developing impact assessments, change plans, change readiness assessments, monitoring plans, training plans and other critical outputs.
• Experience of designing & developing training plans, rollouts and materials.
• Change management professional (e.g. CMI)/Project / Programme Management qualifications (PMP, APM etc) or equivalent work experience.
• Water industry experience highly desirable.

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.

Note: The original role description contained a quoted statement about diversity and an invitation to register interest for opportunities.

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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