Senior Infrastructure Engineer

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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.

Key Responsibilities

  • 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.

Required Skills & Experience

  • Strong hands‑on experience with Microsoft 365 administration and architecture.
  • Excellent knowledge of Microsoft Entra ID (Azure AD), Intune & Windows Autopilot, Microsoft Defender & security tooling, SharePoint Online & Teams, Exchange Online.
  • Experience working within MSP or multi‑tenant environments.
  • Strong understanding of identity, endpoint security, and compliance best practices.
  • Excellent troubleshooting, communication, and stakeholder management skills.
  • Ability to lead technical decisions and work independently.

Desirable Skills

  • PowerShell scripting and automation.
  • Experience with Microsoft Sentinel and Defender XDR.
  • Experience improving technical standards and engineering processes.

#J-18808-Ljbffr”, “datePosted”: “2026-05-20”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Spectrum IT Recruitment”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__436988859__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=22606” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “Painswick” } } }
Company: Spectrum IT Recruitment
Apply for the Senior Infrastructure Engineer
Location: Painswick
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.

Key Responsibilities

  • 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.

Required Skills & Experience

  • Strong hands‑on experience with Microsoft 365 administration and architecture.
  • Excellent knowledge of Microsoft Entra ID (Azure AD), Intune & Windows Autopilot, Microsoft Defender & security tooling, SharePoint Online & Teams, Exchange Online.
  • Experience working within MSP or multi‑tenant environments.
  • Strong understanding of identity, endpoint security, and compliance best practices.
  • Excellent troubleshooting, communication, and stakeholder management skills.
  • Ability to lead technical decisions and work independently.

Desirable Skills

  • PowerShell scripting and automation.
  • Experience with Microsoft Sentinel and Defender XDR.
  • Experience improving technical standards and engineering processes.

#J-18808-Ljbffr…

Posted: May 20th, 2026