5 of 5 Threat Intelligence Jobs in Hertfordshire

team lead the technical investigation and response to security incidents at Tesco. As part of this team, you’ll work alongside our security operations, threat intelligence, and security engineering teams to protect, detect, and respond to security threats across Tesco’s diverse and evolving estate.You’ll apply your … existing processes as well as identifying and working on new methods to deliver DFIR services to the ever-changing technology requirements of the business.§ Threat Hunting & Detection Engineering: Lead intelligence-based threat hunts to uncover anomalous behaviour in our estate that is representative of the security threats ...

introduced by AI systems that can reason, retrieve data, call tools and take action. You will work with clients to assess AI security risks, threat model agentic workflows, design practical controls, and identify where AI can safely improve cyber security operations. This may include supporting secure AI adoption, reviewing … risks such as prompt injection, excessive agency, data leakage, insecure tool use, unsafe output handling, model supply chain exposure and weak human oversight. Support threat modelling for agentic systems, including how agents access tools, call APIs, retrieve data, make decisions and trigger actions. Advise on secure patterns ...

effective incident resolution, minimising operational disruption and customer impact. This role is critical to maintaining trust in Tesco’s digital platforms by driving proactive, intelligence-led response and embedding continuous improvement across the cyber defence lifecycle. You will operate at the intersection of technology, business impact, and customer outcomes … coordination during incidents, providing clear, concise, and timely updates to technical and non-technical stakeholders, including senior leadership. Enable Automated Response: Leverage Applied Artificial Intelligence (AI) and automation to enhance incident triage, prioritisation, and decision-making at pace. Optimise Operational Tooling: Utilise platforms such as Zendesk and xMatters ...

effective incident resolution, minimising operational disruption and customer impact. This role is critical to maintaining trust in Tesco's digital platforms by driving proactive, intelligence-led response and embedding continuous improvement across the cyber defence lifecycle. You will operate at the intersection of technology, business impact, and customer outcomes … coordination during incidents, providing clear, concise, and timely updates to technical and non-technical stakeholders, including senior leadership. Enable Automated Response: Leverage Applied Artificial Intelligence (AI) and automation to enhance incident triage, prioritisation, and decision-making at pace. Optimise Operational Tooling: Utilise platforms such as Zendesk and xMatters ...

ecosystem serving millions of customers. You will combine deep engineering expertise with an innovation mindset to build production-grade solutions that leverage applied Artificial Intelligence (AI), automation, and modern development practices to strengthen Tesco’s cyber defence. This role sits at the point where ideas become real: you will … across diverse security and technology teams with a customer-first focus. In the immediate term, you will focus on the needs of our Cyber Threat Intelligence and Detection Engineering teams. This team operates as an innovation incubator for cyber defence capabilities: rapidly exploring ideas, validating them through prototypes ...