Senior Security Engineer

Join a nationally recognised UK retail organisation investing heavily in cloud security, identity, and modern infrastructure. With a hybrid environment spanning Azure, data centres, offices, and a large retail estate, the business is strengthening its security posture as part of a wider cloud-first transformation.

As Senior Security Engineer, you’ll own and enhance security controls across cloud, identity, servers, endpoints, and applications. You’ll shape Azure security posture, strengthen identity protection, operate SIEM and detection tooling, and ensure compliance across a complex hybrid estate. This is a hands‑on role with architectural influence, working closely with Network, Infrastructure, and Cloud teams to deliver secure‑by‑design solutions.

• Strong experience securing Azure environments (Defender for Cloud, Conditional Access, identity protection)
• Deep knowledge of Microsoft Entra  Active Directory security (MFA, PIM, RBAC, hybrid identity)
• Hands‑on experience with SIEM/SOAR tools (Microsoft Sentinel, Defender XDR)
• Experience with endpoint security and EDR (Microsoft Defender for Endpoint)
• Strong understanding of Zero Trust principles and secure‑by‑design architecture
• Experience securing Windows Server, domain controllers, and Azure workloads
• Familiarity with compliance frameworks (PCI DSS, ISO 27001, NIST, Cyber Essentials)
• Ability to investigate incidents, analyse logs, and support threat response
• Exposure to automation (Power Shell, Python, Terraform) desirable