Lead Systems Administrator Windows – Non-Profit

Overview

In this Lead Systems Administrator role you own the IT infrastructure for a charity, overseeing Microsoft 365, security, and devices across offices and warehouses. You will lead a small team while delivering technical solutions and guidance to stakeholders. The role combines hands-on delivery with people leadership and process improvement, including security hardening and disaster recovery. You’ll work to enable safe AI tool adoption and robust IT services.

Pay / Benefits

• Salary up to 50k
• 25 days holiday (rising to 30)
• Birthday off
• Employee Assistance Programme with 24h GP helpline
• Cycle to work scheme
• Gym and retail discount platform

Responsibilities

• Manage and secure the organization’s Microsoft 365 environment (Entra ID, Intune, SharePoint, Teams)
• Oversee Windows and Android devices across sites
• Troubleshoot network issues and manage external suppliers
• Lead security tooling and practices (Defender, Purview; Cyber Essentials)
• Coordinate backup, disaster recovery, and vulnerability management
• Serve as technical escalation point and drive automation of processes
• Maintain technical documentation and support skill development within the team
• Support safe adoption of AI tools (e.g., Microsoft Copilot) with proper access controls

Key requirements

• Strong hands-on experience with Microsoft 365 suite and Entra ID
• Experience managing Windows and Android devices across multiple sites
• Networking and troubleshooting skills; supplier management
• Experience with Microsoft security tools (Defender, Purview)
• Understanding of backup, disaster recovery, vulnerability management, and data protection
• Experience leading or developing a small technical team
• Security qualification (CompTIA Security+, CISSP, or CISM) is preferred

• Proactive, methodical approach
• Strong communication and ability to explain technical issues clearly
• Team leadership andPeople development
• Microsoft 365 administration (Entra ID, Intune, SharePoint, Teams)
• Windows device management
• Android device management

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