Overview
Closing Date 2026-02-27
Senior Electronic Security Systems Engineer
Location: Hampshire, Kent or Sussex
Salary: up to £70k depending on experience
Southern Water is seeking an experienced Senior Electronic Security Systems Engineer to help protect critical infrastructure and lead the development, integration and assurance of our electronic security systems (ESS). You’ll act as the bridge between security legislation, regulatory guidance and operational delivery, ensuring our systems remain compliant, resilient and future-ready.
Key Responsibilities
* Deliver expert ESS guidance and support the Protective Security Strategy.
* Support Regional Security Advisors assuring any security upgrades/project are compliant with the relevant Southern Water security policies and standards.
* Work with IT/OT teams, 3rd-party integrators and Tier 1 contractors to deliver compliant security upgrades and projects.
* Support the maintenance and performance of core systems including CCTV, IDS, Access Control and PSIM.
* Drive improvements through AI, automation and digital integration.
* Collaborate with the Alarm Monitoring Centre to enhance system performance.
* Maintain strong relationships with system providers and stay informed on future technology roadmaps.
* Promote security awareness across the business and support on-call duties.
Experience & Skills
* 5+ years in a similar security engineering role (water industry experience beneficial).
* Strong technical expertise in ESS design, specification and implementation.
* Knowledge of relevant legislation, standards and NPSA guidance.
* Experience in compliance auditing and integrated system development.
* Effective stakeholder management and experience working with police or security agencies.
* Full UK driving licence and own vehicle.
* Membership of a recognised security body and commitment to CPD.
What We’re Looking For
* Ability to work independently and manage complex workloads.
* Strong communication and project support skills.
* Operational awareness and willingness to travel across the region.
* Eligible for SC security clearance.
Progression
Southern Water offers monitored career paths, training, and development opportunities.
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.
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.
If this role isn’t quite what you’re looking for but you’re 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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