Senior Threat Hunter – Nuclear Cyber Defense Lead

Company: Sellafield
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Job Description:

Sellafield Ltd in the UK is seeking a Senior Threat Hunter to lead proactive threat hunting across IT and OT within a regulated nuclear environment. You will develop methodologies, mentor junior staff, and drive automation while ensuring compliance with GDPR, NIS, and CAF standards.

You will collaborate across CS&IA, HR and site stakeholders to strengthen detection capabilities, deliver actionable remediation guidance, and support incident response with threat context and technical analysis.

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Posted: October 7th, 2026