5 of 5 Security Administrator Jobs in London

integrity, we’re enthusiastic. we’re competitive and we just get it done – whatever the challenge. We’re looking for a Microsoft 365 & Security Infrastructure Administrator who loves building things properly. This role sits at the heart of our cybersecurity strategy, taking a clear security vision … driven management-at-scale model. KEY OUTCOMES FOR SUCCESS: Scalable Infrastructure: Transition from ad‐hoc management to a fully automated, policy‐driven environment. Proactive Security: Remediating security gaps before they are exploited, with a focus on long‐term stability. Metrics‐Driven Operations: Establishing a regular cadence of high ...

Hall & Kay way... it’s a people thing.At Hall & Kay, we deliver complex fire protection and security solutions to protect what matters most to our clients. As technical experts our focus is on the lifetime value of a project. Meaning we can design, supply, install, test and maintain … types of sprinkler, gas suppression, fire detection, and integrated security systems. With 140+ year trading experience and a strong project delivery culture, we are proud to have built lasting relationships with some of the UK’s most respected companies in all areas of industry and construction.Location: Office based - Central ...

time access, govern service principals, managed identities and AI agent identities such as Copilot agents, and automate joiner/mover/leaver processes. Endpoint security (Intune): lead MDM and MAM across Windows, macOS, iOS and Android, maintain compliance policies, set up Windows Autopilot, macOS Automated Device Enrollment and Apple … Business Manager, and harden endpoints with BitLocker, FileVault, Firewall and ASR rules. Platform hardening: maintain security baselines across Exchange Online, SharePoint, OneDrive, Teams, Viva and Copilot, secure mail flow and OME, audit SPF, DKIM and DMARC, tune anti-phishing, malware and DLP, and prevent configuration drift. Azure tenant governance ...

Alfa AI is a recruiting company advertising this vacancy on behalf of a customer. Want to be the person who turns a cybersecurity strategy into a secure, automated Microsoft estate? This is a deep technical ...

Shield AI is seeking a Systems Administrator to support, secure, and optimize enterprise IT operations across Windows and Linux environments. You will work with infrastructure, network, and security teams to maintain a scalable and secure IT environment. This role includes on-call rotations, asset lifecycle management, and mentoring ...