Senior Infrastructure Engineer
Role details
Job location
Tech stack
Job description
We are looking for an experienced Senior Engineer with a strong technical background in Microsoft 365, security, and modern workplace technologies. This role focuses on designing, securing, and improving Microsoft environments for customers, while acting as a trusted technical advisor and escalation point within the engineering team., + Design, deploy, and optimise Microsoft 365 environments including Exchange Online, Teams, SharePoint Online, OneDrive, and Microsoft 365 Groups.
- Lead tenant reviews, remediation projects, migrations, and platform standardisation.
- Design and manage secure identity solutions using Microsoft Entra ID.
- Implement and maintain security technologies including Conditional Access, MFA, Passwordless Authentication, PIM, Microsoft Defender, and Microsoft Purview.
- Manage and secure endpoints using Intune and Windows Autopilot across Windows, macOS, iOS, and Android.
- Apply Zero Trust and Microsoft security best practices to customer environments.
- Support compliance and governance requirements including GDPR and ISO-aligned controls.
- Use PowerShell and automation to improve efficiency, consistency, and service quality.
- Produce and maintain technical documentation, standards, and runbooks.
- Act as a senior escalation point for complex incidents and projects.
- Mentor junior engineers and contribute to technical standards across the business.
- Build strong customer relationships and translate business requirements into secure technical solutions.
Requirements
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Strong hands-on experience with Microsoft 365 administration and architecture.
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Excellent knowledge of: o Microsoft Entra ID (Azure AD) o Intune & Windows Autopilot o Microsoft Defender & security tooling o SharePoint Online & Teams o Exchange Online
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Experience working within MSP or multi-tenant environments.
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Strong understanding of identity, endpoint security, and compliance best practices.
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Excellent troubleshooting, communication, and stakeholder management skills.
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Ability to lead technical decisions and work independently. Desirable Skills
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PowerShell scripting and automation.
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Experience with Microsoft Sentinel and Defender XDR.
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Experience improving technical standards and engineering processes.