On behalf of UKAEA (UK Atomic Energy Authority) we are looking for a Cyber Security Assurance Specialist (INSIDE IR35) for an 8-month contract based Hybrid in the Abingdon, Oxford office. Overall Purpose UKAEA''s mission is to lead the delivery of sustainable fusion energy and maximise scientific and economic impact. The Computing Division underpins this mission by delivering secure, scalable, and innovative digital solutions. The Cyber Security Assurance Specialist plays a pivotal role in advancing UKAEA''s hybrid digital estate, encompassing enterprise IT, operational technology (OT), and research platforms. This role sits within the Information andamp; Cyber Security Group and provides subject matter expertise in security architecture, cyber risk governance, and assurance frameworks. This is a cross-functional role with both advisory and hands-on responsibilities, focusing on security assurance, risk management and supporting architecture reviews, vulnerability management, risk assessments, cyber defence posture, driving technical assurance, and embedding risk-aligned security controls across IT and OT systems and secure-by-design practices. You will work across hybrid environments including cloud, infrastructure, applications, and OT systems. You will be responsible for reviewing and advising on security architecture patterns, reviewing and maintaining risk registers, leading assurance assessments, and embedding security controls across infrastructure and platforms. You ..... full job details .....