Senior Infrastructure Engineer

Spectrum IT Recruitment

Remote-friendly
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.





Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Apply Now →

Application opens at the source listing. Free for jobseekers.

Related Jobs