Salary: £50,000 - 50,000 per year Requirements: Proven background within a SOC or equivalent operational security function Demonstrable ownership of incidents within demanding SLA environments Strong working knowledge of SIEM, EDR, and email security platforms Practical experience with Microsoft XDR technologies Ability to create and tune detections using KQL SC-200, CySA, or comparable certifications (desirable) Clear communicator in both technical and business contexts Analytical, methodical, and outcome-focused Comfortable taking ownership and being accountable for decisions Strong understanding of adversary behaviours, tooling, and attack lifecycles Competence across endpoint, server, identity, cloud, and network domains Ability to assess control effectiveness and recommend pragmatic mitigation Responsibilities: Develop, optimise, and maintain SIEM detections across diverse customer estates Lead structured threat hunting informed by intelligence and hypothesis-driven methods Manage complex incidents including scoping, containment strategy, and root cause analysis Provide authoritative guidance to Tier 1 and Tier 2 analysts during live investigations Produce clear technical and executive-level reporting for service reviews Translate technical risk into business impact for non-technical stakeholders Conduct or oversee vulnerability analysis, access reviews, and control validation Identify automation and process improvement opportunities Contribute to service development, playbooks, and quality standards Coach and mentor analysts through case reviews and daily collaboration Support skills uplift and readiness across the SOC Help standardise investigative approaches and evidence handling Technologies: Cloud Support Network Security More: Join our dynamic team at Littlefish, where we value high performance, passion, and a can-do attitude. We offer a competitive salary of up to £50,000 along with a £3,000 on-call allowance, and comprehensive benefits including a healthcare cash plan, access to LinkedIn Learning, a company pension scheme, and social events. We are committed to your growth through our Littlefish Academy training program, where you can enhance your skills and increase your earnings. Our locations in Nottingham or Sheffield provide a hybrid working environment. We believe in nurturing talent and creating a collaborative atmosphere where everyone can thrive. last updated 8 week of 2026