14 of 14 Permanent Microsoft 365 Architect Jobs in London

M365 Architect - Exchange/Messaging

Location
Greater London, England, United Kingdom
sector client portfolio. Methods was acquired by the Alten Group in early 2022. About the role We are looking for an experienced Exchange/Microsoft 365/Messaging Architect to join a major technology transformation programme and take ownership of the messaging architecture and migration strategy. … designing a secure, resilient and supportable messaging environment while enabling users and services to transition from existing platforms and configurations into the target Microsoft 365 environment. You will assess the existing Exchange and Microsoft 365 estate, understand the complexities of domains, mail flow, recipients, security controls ...

Senior Azure & Microsoft 365 Technical Architect - London - Hybrid

Location
Greater London, England, United Kingdom
Stratus, enable alternative asset managers to address their data challenges in analytics, workflow, governance, and security. We are looking for hands‐on Senior Azure & Microsoft 365 Technical Architect. The successful candidate will act as the technical owner of the Azure platform, working closely with external development and engineering … improve ownership across Identity and Access Management, Disaster Recovery, and Monitoring and Observability. Main Responsibilities Oversee Azure subscriptions, landing zones, networking, compute, databases and Microsoft 365 tenant configuration, including dependencies between current and legacy platforms Validate deployed infrastructure against documented architecture and security requirements, including ingress, DNS, certificates ...

Principal Systems Architect - M365 and EUC

Location
Greater London, England, United Kingdom
Universal Banking, supporting over 7,000 customers, including 80% of the world’s top 50 banks, in more than 110 countries.**Role Overview** The Microsoft 365 Architect at Finastra is a senior, hands-on engineering and operations role responsible for the design … management of the global Microsoft 365 environment. This role combines strategic platform architecture with practical administration and L3/L4 support, ensuring services are secure, reliable, and aligned with business needs.**Key Responsibilities*** Architecture & Design: Define and evolve architecture for M365 services including Exchange Online, Teams, SharePoint Online ...

Senior Exchange & Microsoft 365 Messaging Architect

Location
Greater London, England, United Kingdom
Methods is seeking an experienced Exchange/Microsoft 365/Messaging Architect to lead the messaging architecture for a major technology transformation. You will own the migration strategy, design secure and resilient mail systems, and guide coexistence between existing platforms and the target Microsoft 365 ...

Hybrid Azure & Microsoft 365 Cloud Architect

Location
Greater London, England, United Kingdom
Smart DCC Ltd in London (hybrid) is seeking a Microsoft Cloud Solutions Architect to lead design and governance of Azure and Microsoft 365, blending hands-on engineering with strategic leadership. You will drive automation with PowerShell, collaborate with EA, security and delivery teams, and help ...

Secure Microsoft 365 Architect - Automated Zero-Trust Infra

Location
Greater London, England, United Kingdom
Five Guys is seeking a Microsoft 365 & Security Infrastructure Administrator to own and engineer our secure cloud platform. You’ll translate strategy into scalable, automated M365 security controls, EntraID, Intune and governance across Azure, with a focus on zero-trust and policy-driven operations. You’ll work hands ...

Senior Microsoft 365 & Power Platform Architect (Hybrid)

Location
Greater London, England, United Kingdom
London is seeking a Digital Platform Architect to lead the design and delivery of secure, scalable Modern Workplace solutions based on Microsoft 365 and Power Platform. The role blends solution architecture with hands-on delivery and stakeholder engagement, covering governance, security, migrations, and integration with ...

Security Architect - Zero Trust & Microsoft 365 (Hybrid)

Location
Greater London, England, United Kingdom
to lead security architecture across a major transformation programme in London. The role requires defining security principles, patterns and controls for identity, endpoints, Microsoft 365, applications, infrastructure, networks and migration activities, while embedding security into delivery. You will drive risk-based decisions, assess threats, and ensure pragmatic ...

M365 & AI Collaboration Architect

Location
Greater London, England, United Kingdom
Consulting Group is seeking a Microsoft 365 & AI Collaboration Associate to help our people work more effectively using Microsoft 365, Copilot, agents and emerging AI technologies. You will engage stakeholders, understand business problems and translate ideas into practical solutions within our internal IT department. Based ...

Global Senior M365 & EUC Architect

Location
Greater London, England, United Kingdom
Finastra seeks a senior Microsoft 365 Architect to design and manage the global M365 environment, including Exchange Online, Teams, SharePoint Online, and OneDrive. You will govern data protection, retention, and compliance while leading complex migrations and automation initiatives. The role combines platform architecture with hands ...

Messaging Architect: Exchange Online & M365 Migration

Location
Greater London, England, United Kingdom
Methods is seeking an experienced Exchange/Microsoft 365/Messaging Architect to own the messaging architecture for a major transformation programme in the UK. You will design coexistence, target-state architectures, and migration patterns while ensuring security, data integrity and user experience throughout the transition. ...

M365 & Power Platform Lead Architect (Remote)

Location
Greater London, England, United Kingdom
Version 1 in London seeks a skilled consultant to design, develop and deliver enterprise-grade Microsoft 365 and Power Platform solutions. You will architect scalable, secure apps and work closely with clients to drive digital transformation and efficiency. The role requires hands-on experience across Power ...

Senior Hybrid Infra Architect – Azure/M365 Strategy

Location
Greater London, England, United Kingdom
experienced Infrastructure Architect to act as a senior technical authority, ensuring the security and scalability of infrastructure across M365, Azure, Dynamics 365, and on-premises solutions. The Infrastructure Architect will define best practices and governance while collaborating with senior teams to lead projects. This position ...

Senior Infrastructure Architect – Cloud, M365 & AI-Ready

Location
Greater London, England, United Kingdom
Halma plc in London seeks an Infrastructure Architect to define and govern infrastructure architecture across M365, Azure, Dynamics 365 and on-premises environments. You will provide architectural direction, standards and assurance, balancing cost, security and resilience while enabling operating companies to adopt best practices. Reporting ...