Welcome to Haleon. We’re a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, we’ve grown, evolved and are now entering an exciting new chapter – one filled with bold ambitions and enormous chance.
Our trusted portfolio of brands – including Sensodyne®, Panadol®, Advil®, Voltaren®, Theraflu®, Otrivin®, and Centrum® – lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science.
Now it’s time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose – to deliver better everyday health with humanity – at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture.
About the role
This position is critical to protecting Haleon’s corporate assets and managing its day-to-day operational cyber security defences. It involves the design,
development and optimisation of the company’s detection capabilities in order to identify cyber threats at the earliest opportunity. It requires the building of high-quality detection logic and the reduction of false positives to strengthen overall security posture.
Role Responsibilities
- Design, develop, and maintain detection rules and use cases across SIEM, EDR, and other security platforms.
- Analyse logs and telemetry to identify suspicious activity and detection opportunities.
- Continuously improve detection coverage based on emerging threats and intelligence.
- Tune and optimise alerts to reduce false positives and improve signal quality.
- Collaborate with security operations analysts to validate and refine detection logic.
- Translate threat intelligence into actionable detection rules and analytics.
- Develop and maintain detection-as-code practices, including version control and testing.
- Support incident respon