Closing Date

Regional Security Advisor

Location: Sussex, Kent, Hampshire, Isle of Wight
Contract Type: Permanent
Hours: Full time
Salary: Up to £50,000

About the role

Working within the Health, Safety, Security and Wellbeing team, the Regional Security Advisor plays a key role in protecting Southern Water’s people, assets and operations across the Sussex region.

This role acts as a trusted advisor to the business, translating security legislation and guidance into practical, effective solutions. You will work closely with operational teams, contractors, and external partners to ensure security risks are understood and managed, and that our most critical sites remain secure.

This is a great opportunity for someone who enjoys building relationships, working with autonomy, and bringing new ideas to improve how security is delivered across a complex organisation.

What you will be responsible for

• Supporting the delivery of Southern Water’s Protective Security Strategy within the Sussex region.
• Building strong, trusted relationships with internal teams, contractors and external agencies.
• Providing clear, practical security advice to operational teams, often at short notice.
• Conducting security risk assessments and investigations, producing clear and accurate reports.
• A good understanding of the Operational Requirement process.
• Supporting security upgrades and improvement projects to ensure compliance with company standards.
• Working with police, regulators and specialist security partners when required.
• Promoting a positive security culture through awareness activities and clear communication.

Additional role information

• Travel across Southern Water sites will be required in line with business needs.
• Some flexibility is required to respond to security incidents or urgent requests.

What you’ll bring to the role

Essential

• Strong experience working in a security or protective security role.
• Proven ability to manage a wide range of internal and external stakeholders effectively.
• Experience conducting security risk assessments and investigations.
• Ability to communicate clearly and confidently, both in writing and face‑to‑face.
• A selfstarter attitude, with the confidence to work independently and take ownership.
• A positive, solutions focused approach with enthusiasm for improving how things are done.
• Ability to obtain or hold Security Check (SC) national security vetting.
• A valid UK driving licence.

Desirable

• Security related qualifications or professional membership (e.g. Security Institute or ASIS).
• Experience working in regulated or critical infrastructure environments.
• Experience working with police, government bodies or specialist security agencies.
• Understanding of risk management frameworks and security standards.

Progression and development

• Possibility to gain relevant qualifications for the role

About Southern Water

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

Our commitment to inclusion

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.

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