Systems Administrator - Microsoft 365

Join our Corporate Systems Team as a Systems Administrator and shape the digital backbone that will keep the Government Property Agency running. You will spearhead the management of our entire Microsoft 365 platform, everything from SharePoint and Teams to Defender, Purview, Sentinel, and Azure AD under the rigorous standards of the Microsoft Blueprint for UK Government. This is your chance to combine rock-solid administration with cutting-edge innovation, ensuring our platform is as secure and reliable as it is transformative.

IT Service Management (ITSM) and Service Operation

• Act as 1st-level support, logging, categorising and resolving incidents, problems, changes and service requests in line with ITIL 4 Incident Management, Problem Management, Change Management and Service Request Management practices.

• Escalate complex issues to specialist teams and our managed services supplier for 2nd and 3rd line support, maintain communication with stakeholders and ensure swift incident, problem, change and service request resolution. System Administration, Environment Management and Release Management

• Plan, schedule and deploy monthly sprint releases, patches and feature rollouts across Microsoft 365 components (Teams, SharePoint, Power Platform).

• Maintain rollback plans and validate successful deployment in test and production environments. Configuration Management & Asset Control

• Own the Configuration Management Database (CMDB), tracking Microsoft 365 configuration items and dependencies

• Manage licences, subscriptions and lifecycle of Microsoft 365 services and related infrastructure. Identity & Access Management (IAM)

• Design, implement and maintain Role-Based Access Control for customers, partners, suppliers and employees using Azure AD PIM, Conditional Access and MFA.

• Regularly review access entitlements, enforce least-privilege policies and audit privileged accounts. Information Security & Compliance

• Monitor security alerts via Microsoft Sentinel and Defender, coordinating triage, investigation and remediation

• Build and maintain Purview compliance dashboards and audit reports for IL3/IL4 accreditation. Continual Improvement & Reporting

• Define KPIs, create executive dashboards on system health, licence utilization, incident trends and security posture.

• Lead post-incident reviews, track improvement actions and update service practices. Innovation & Automation

• Drive adoption of Microsoft Co-pilot, Power Platform (Power Apps, Power Automate, Power BI) to automate workflows and build bespoke applications.

• Mentor junior staff on PowerShell scripting and Infrastructure as Code (ARM Templates / Terraform).

Disability Confident About Disability Confident A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to .

The Government Property Agency is the largest property holder in government, with more than £2.1 billion in property assets and over 55% of the government's office estate. We are transforming the way the Civil Service works by creating great places to work, leading the largest commercial office programme in the UK, working towards halving carbon emissions from government offices, and achieving greater value for taxpayers. And we are looking for innovative, solutions-focused people to join our team. Representing the best covenant in the UK - His Majesty's Government - we are leading significant transformational programmes such as the Government Hubs Programme, Whitehall Campus Programme and Net Zero Programme. We are also delivering cost- effective property services such as asset management, lifecycle replacement and workplace services. Innovation and progress underpin our behaviours. We foster a culture of lifelong learning, where curiosity and self-improvement are encouraged. Our four core values are at the heart of everything we do. They shape our culture and guide how we work, lead and grow together: * Striving for excellence - We always aim to deliver great results * Empowering through respect - We insist on fair treatment for all, always * Acting with integrity - We consistently do the right thing * Succeeding together - We rely on each other to achieve success The GPA is committed to representing the communities we serve by making Diversity, Equality and Inclusion part of everything we do. To ensure that we are always recruiting and retaining a diverse mix of talent, we are particularly inviting applications from candidates who are disabled, ethnically or gender diverse, and people who identify as being part of the LGBTQ+ community. Join our dynamic and diverse team that leads with purpose, improving sustainability, nurturing social value, driving inclusivity and flexibility, and kickstarting economic growth. We are driven by purpose, and you can be part of it too: where you make a meaningful impact; where you influence; where your voice really matters; where you help to shape our future direction. Are you ready to be the driving force behind a cutting-edge, secure Microsoft 365 environment to deliver a great digital workplace experience?