Cloud Security Engineer

Our client is a fast-growing cloud security company whose platform uses runtime data to identify and prioritise the risks that matter most, giving customers efficient, end-to-end protection across their cloud infrastructure, from misconfigurations to malware. Role Our client is hiring a Security Engineer to join their Managed Detection and Response (MDR) team as the founding UK member of their Security organisation. You'll focus on proactive reviews and advanced customer guidance, independently owning UK-hours coverage, and work closely with analysts, researchers, and engineers, with a clear path to technical or team leadership as the UK presence grows. What You'll Do: Help fine-tune detection and response mechanisms and support proactive reviews of customer environments to identify risks and recommend improvements. Lead in-depth investigations into supply chain, API, malware, and runtime attacks, documenting outcomes and building playbooks to improve future detection. Collaborate with Security Analysts, Research, and Backend teams to enhance detection quality. Own complex or critical incidents escalated from Tier 1/2, including live, high-pressure customer engagements. Take part in recurring customer meetings, translating security findings into clear recommendations, and stay composed when conversations get tense. Keep up to date with emerging threats and attack techniques, and contribute to training AI-driven detection models. Experience: Willing to join a shared on-call rotation, with occasional availability for nights, weekends, or holidays. Solid, hands-on cybersecurity experience, ideally from a leading cloud or cloud security company. Strong detection engineering, incident response, and threat analysis skills, able to explain supply chain, API, malware, and runtime attack techniques in depth. Hands-on with AWS, GCP, or Azure, plus Docker/Kubernetes and Linux; comfortable with networking fundamentals and Python/Bash scripting. Strong communicator, confident engaging customers directly and staying composed under pressure. Self-directed, curious, and comfortable in a fast-paced, high-ownership startup environment. Package: Belfast office base, hybrid working (3 days/week in office). 35 days annual leave (inclusive of statutory holidays). 8% matched pension. Equity/share options. Please apply now if you are meeting the above criteria or contact Andrew Harrison directly. Skills: AWS Azure GCP Docker Kubernetes Linux Benefits: Work From Home ADZN1_NI41bf1e1f-b16b-4260-a40a-17c77a06fd15