> Markdown version of [/jobs/ext/4140164-infrastructure-and-security-engineer](https://www.wearedevelopers.com/jobs/ext/4140164-infrastructure-and-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure and Security Engineer - **Company:** Mayfair Tech Ltd - **Location:** UK (Remote available) - **Experience:** Experienced - **Salary:** £45,000.0 - £55,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Microsoft Azure, Cyber Security, Windows PowerShell, Microsoft SharePoint, Single Sign-On, Virtual Machines, Scripting, Microsoft InTune, Apple Business Manager, Key Vault - **Published:** October 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8bee9eb3625c36f4 ## About the Role 1. Entra ID administration, including app registrations, API permissions, admin consent and single sign-on 2. Conditional Access and Intune policy design, testing and rollout. 3. Exchange Online security, including sign-in log review, inbox rule analysis and message trace. 4. PowerShell and Microsoft Graph scripting. 5. Multi-tenant MSP experience Desirable 1. Mac management through an Apple MDM platform, ideally Addigy, including Apple Business Manager and automated device enrolment. 2. Azure resource administration, such as Key Vault, virtual machines, certificates, subscriptions and role-based access. 3. SharePoint and Microsoft 365 migration experience. 4. Microsoft certifications SC-300 or MS-102. 5. Experience with Huntress, CIPP or Halo PSA. 6. Exposure to regulated financial services clients This is a remote role with occasional visits to our London office and client visits in London. If you have Multi-tenant MSP experience, we would like to hear from you. Pay: £45,000.00-£55,000.00 per year Experience: * Cybersecurity: 3 years (preferred) * MSP: 3 years (preferred) ## Description We are seeking an Infrastructure and Security Engineer to join our dynamic IT team. The ideal candidate will possess a strong Managed Service Provider background, supporting multiple client tenants. This position offers an excellent opportunity for professionals eager to lead build on planned projects while keeping our client base secure day to day.