> Markdown version of [/jobs/ext/4257675-m365-identity-collaboration-architect](https://www.wearedevelopers.com/jobs/ext/4257675-m365-identity-collaboration-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # M365 Identity & Collaboration Architect - **Company:** UKRI LLC - **Location:** United States (Remote available) - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Amazon Web Services, User Authentication, Microsoft Azure, Microsoft Online Services, Cloud Engineering, Identity and Access Management, Simple Mail Transfer Protocols, Azure Active Directory, Migration Manager, Microsoft SharePoint - **Published:** October 31, 2026 - **Apply:** https://computerjobs.com/us/en/mob/job/57DE5F7C54559EFDFE ## About the Role Demonstrable experience in designing and delivering Identity Architecture within complex enterprise environments. . Strong understanding of directory services, domain architecture and identity life cycle management. . Hands-on experience with Microsoft Entra ID, including authentication, conditional access, identity governance and privileged identity management. . Proven experience designing and implementing Microsoft 365 architectures. . Experience developing target-state architectures, migration strategies and transition roadmaps across multiple organisations or business units. . Strong stakeholder management skills, with the ability to facilitate workshops and present architectural recommendations to technical and non-technical audiences. . Experience defining governance frameworks, operating models and architectural standards. Desirable: . Experience with Microsoft Azure and/or AWS cloud platforms. . Experience working within hybrid or Legacy technology environments. . Experience within the Public Sector or similarly regulated environments. . Familiarity with security, compliance and identity governance requirements in complex organisations. Please be aware that this role can only be worked within the UK and not Overseas. Disability Confident As a Disability Confident employer, UKRI encourage applications from disabled and neurodivergent candidates. Applications from candidates who identify as having a disability and meet the essential criteria for the role will be prioritised for review. Where application volumes are high, additional role-specific and desirable criteria may be applied as part of the shortlisting process which may include holding active security clearance. ## Description The Identity & Collaboration Architect will lead the architecture and design of a large-scale Microsoft 365 consolidation programme involving the migration of multiple Microsoft 365 tenancies, mail domains and identity platforms into a single strategic environment. The role is accountable for developing the future-state architecture for identity, authentication, directory services, email namespace, collaboration services and associated governance models. The architect will work across technical, operational and business stakeholders to establish a coherent, sustainable target operating model that balances organisational requirements with Microsoft's strategic cloud architecture. A key aspect of the role is the development of target-state identity and namespace strategies, including the transition from multiple independently managed directories and Microsoft 365 tenancies to a consolidated identity platform centred on Microsoft Entra ID. As an M365 Identity & Collaboration Architect your main responsibilities will be to: . Develop target-state identity architecture for a multi-organisational Microsoft 365 environment. . Define authoritative sources for identity information and attribute ownership. . Establish identity life cycle architecture covering joiners, movers and leavers. . Define future-state email namespace strategy. . Develop mail domain architecture covering multiple existing SMTP domains. . Analyse impacts of domain consolidation, retention and rationalisation. . Support definition of future-state architecture for Microsoft 365 services and ancillary solutions . Support tenant consolidation strategy and migration planning. . Design core platform services including Exchange Online, Teams, SharePoint Online and OneDrive. . Develop architectural principles and standards. . Establish decision frameworks for identity and namespace management. . Lead discovery activities across multiple organisations. . Analyse current-state identity, directory and messaging environments. . Engage senior stakeholders across IT, security, HR and business functions. . Facilitate workshops to define identity, namespace and governance requirements.