Principal System Architect (M365 Technologies)

Requirements

• The ideal candidate brings deep architectural expertise, strong leadership capabilities, and proven experience designing and governing large-scale Microsoft 365 environments, including tenant consolidation, security frameworks, and cloud transformation initiatives
• 10+ years of experience in IT architecture, with deep expertise in Microsoft 365 and SharePoint Online
• Proven track record in defining and leading enterprise SharePoint architecture (intranet, document management, collaboration platforms) at scale
• Strong expertise in Microsoft 365 ecosystem (Teams, One

  Drive, Exchange Online) with a Share

  Point-centric design approach
• Experience establishing governance frameworks for SharePoint and M365 (lifecycle, provisioning, information architecture, adoption)
• Solid knowledge of Microsoft 365 security and compliance (DLP, retention, eDiscovery) aligned with enterprise risk requirements
• Strong understanding of identity and access management (Azure AD / Entra ID, Conditional Access, MFA) within a Zero Trust model
• Experience driving automation and standardization using PowerShell and Microsoft Graph API
• Proven ability to define integration architecture between SharePoint and enterprise platforms (HRIS, ITSM, business applications)
• Strong leadership in driving platform strategy, roadmap, and best practices across global organizations
• Ability to engage senior stakeholders and translate business needs into scalable, secure collaboration solutions

What the job involves

• This is more than a job. It’s a chance to build, grow, and make a real impact! Join our team as our new Principal Systems Architect specialised in M365 Technologies
• This role serves as a key technical leader responsible for defining, designing, and governing the organization’s Microsoft 365 architecture. This role drives the strategic direction, standardization, and evolution of the M365 platform across the enterprise
• The role encompasses enterprise architecture across Exchange Online, Microsoft Teams, Share

  Point, One

  Drive, security & compliance solutions, identity platforms, and automation frameworks
• This role, while centred on the M365 expertise – particularly SharePoint- is part of a global team of highly skilled system engineers and architects delivering a broad spectrum of server services. Consequently, the responsibilities of this position may evolve or expand over time
• Define and own the enterprise architecture for Microsoft 365, with a strong focus on SharePoint and collaboration platforms
• Design scalable, secure, and resilient solutions across collaboration, identity, and productivity services
• Lead tenant strategy (consolidation, separation, M&A integration) and drive M365 roadmap aligned with business objectives
• Establish and enforce architecture standards, governance models, and best practices across the M365 ecosystem
• Drive enterprise collaboration solutions (SharePoint intranet, Teams) ensuring scalability, usability, and adoption
• Define and oversee governance frameworks for Teams, Share

  Point, and One

  Drive (lifecycle, provisioning, access)
• Lead security and compliance architecture (DLP, retention, eDiscovery) aligned with regulatory and risk requirements
• Implement Zero Trust principles leveraging identity protection, Conditional Access, and MFA
• Define integration architecture between Microsoft 365 and enterprise platforms (HRIS, ITSM, security tools)
• Drive automation strategy for identity lifecycle, provisioning, and governance using APIs and scripting
• Partner with infrastructure, security, and business teams to deliver aligned solutions
• Engage senior stakeholders to translate business needs into strategic architecture decisions