Salary: £50,000 - 55,000 per year Requirements: Strong hands-on Windows Server administration experience. Proven experience supporting and administering Microsoft Azure infrastructure. Azure certifications: Microsoft Certified: Azure Fundamentals (AZ-900) and/or Microsoft Certified: Azure Administrator Associate (AZ-104). Deep knowledge of Active Directory, DNS, and Group Policy. Experience managing patching, security baselines, and vulnerability remediation. Backup and disaster recovery expertise within enterprise environments. Experience working within structured change management and ITIL-led environments. The ability to lead technical initiatives and take ownership of critical infrastructure services. Responsibilities: Manage and maintain Windows Server infrastructure across on-premises and Azure environments. Maintain Azure infrastructure including virtual machines, storage, networking, and platform services. Administer and support Active Directory, DNS, Group Policy, and core Microsoft services. Lead patching, vulnerability remediation, security hardening, and compliance initiatives. Manage backup and recovery processes, ensuring business continuity and recovery readiness. Deliver infrastructure upgrades, migrations, and platform improvement projects. Act as a senior technical escalation point for complex infrastructure issues. Develop and maintain technical standards, procedures, and documentation. Work closely with internal teams and third-party suppliers to support service delivery. Technologies: Active Directory Azure Support ITIL Security Windows Cloud DevOps Kubernetes More: We are working exclusively with a well-established non-profit organisation seeking an experienced Principal Platform Engineer to join our infrastructure team in Central London, with 1-2 days a week required in the office. This is an excellent opportunity for a senior Microsoft infrastructure professional who enjoys owning and improving enterprise platforms across both on-premises and Azure environments. We offer the chance to work on a critical hybrid infrastructure estate, taking a hands-on role in service stability, security, platform improvement, and infrastructure projects, with a salary of up to £55,000 plus benefits. last updated 24 week of 2026