SharePoint Developer / Administrator

Southern Water group; Worthing; Hybrid; GBP 41,000 - 47,000; Full time

Job summary

Southern Water is seeking a SharePoint Developer/Administrator for the Durrington, Worthing area. The role sits within the ECM/ Digital Workspace teams, supporting the M365 stack and driving innovations in collaboration tools.

You’ll deliver templated SharePoint solutions, provide 2nd line support, and collaborate with cross‑functional teams to meet enterprise requirements. The role emphasizes strong SharePoint Online development, ECM principles, and the ability to document and train users.

Qualifications

• Proven experience in SharePoint development and administration.
• Familiarity with Microsoft 365 stack and ECM principles.
• Ability to create technical documentation and deliver user training.

Responsibilities

• Develop and maintain templated SharePoint sites and solutions.
• Implement new releases of SharePoint applications, including testing.
• Provide 2nd line support and admin for SharePoint Online.
• Support SharePoint demand pipeline and operational workflows.
• Produce specifications and designs aligned with enterprise architecture.
• Implement structured/unstructured information storage mechanisms.
• Develop and execute test schedules for deployed solutions.
• Liaise with integration teams and suppliers during projects.
• Analyze business needs to create lean ECM processes.
• Ensure robust documentation and user support for new apps.

Skills

SharePoint Online

M365 stack

Power Platform

Technical documentation

User training

Tools

SharePoint Development Tools

PowerShell

Job description

Closing Date 2026-09-11 Job Title: SharePoint Developer/Administrator Location: Durrington, Worthing (Hybrid/Flexible) Contract Type: Permanent Hours: 37 Salary: From £40,600 based on skills and experience

About the role:

Are you ready to shape the future of digital collaboration and content management? Southern Water is undergoing an exciting IT transformation, redefining how we deliver IT support and services. As part of this journey, our Enterprise Content Management (ECM) team is expanding its capabilities and resilience. This role sits within the Digital Workspace team, supporting our M365 stack and driving innovation in collaboration and tooling. You’ll work closely with Software Engineering, Service Delivery, and Project Delivery teams to ensure applications are supported and projects delivered to the highest standards.

What you will be responsible for:

• Develop and maintain templated SharePoint sites and solutions based on business requirements.
• Implement new releases of SharePoint applications, including configuration, testing, and integration.
• Provide 2nd line support for SharePoint applications and assume administrator responsibilities for SharePoint Online.
• Support SharePoint incoming demand pipeline and operational manual workflow
• Assist in producing specifications and designs for SharePoint applications aligned with enterprise architecture.
• Implement mechanisms for structured and unstructured information storage and access.
• Develop and execute test schedules to ensure quality of deployed solutions.
• Liaise with integration teams and suppliers during development and implementation phases.
• Analyse business needs and create lean processes for Enterprise Content Management.
• Ensure robust documentation and support for new and upgraded applications.

Additional Requirements specific to the role

• Strong experience in SharePoint Online administration and development.
• Familiarity with M365 stack, Power Platform, and ECM principles.
• Ability to create technical documentation and deliver user training.

What you’ll bring to the role:

• Essential Proven experience in SharePoint development and support.
• Strong understanding of enterprise content management and collaboration tools.
• Excellent problem-solving and stakeholder engagement skills.
• Ability to work across multiple teams and deliver high-quality solutions.

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.

Our purpose is big. Our impact is huge. And we know that every single one of us has the power, through our actions, to positively change society and the environment for good. It’s why careers with us have real meaning. Because, if you’re driven and ambitious, we can offer you huge opportunities for personal growth, professional development and constant innovation. Forever evolving. Forever focused on doing the right thing, we empower and encourage everyone to play to their strengths and to help us shape a fair and positive future for all.

We believe in Water for Life. If you do too, Dive Right In. Our customers are at the heart of everything we do, because delivering water for life is our core purpose. To achieve this, we need 24/7 support in place to resolve incidents quickly and efficiently. All our employees understand the importance of out-of-hours incident support – because when problems appear, fixing them is our top priority. That’s why our people join together and support when and however needed to make sure our customers get the service they deserve. Joining the Southern Water family means you’ll become part of our incident support team. During your interview, your manager will speak to you about any incident support rotas that apply to your position.

Does this opportunity excite you but you’re not 100% sure if you meet all the requirements for the role? Or are you concerned that ‘normal’ office hours aren’t possible given your personal circumstances? Whilst we can’t accommodate every flexible working request, we’ll try to find a practical solution. So why not engage with us and find out more about this role?