Senior SharePoint Platform Engineer

London, United Kingdom

• Full time, Hybrid (3 Days Onsite)
• Monday - Friday, 9:00 am - 5:30 pm
• Introduction to the role
• The Senior SharePoint Platform Engineer is responsible for the administration, architecture, governance, engineering, and continuous improvement of the organisation’s SharePoint Online platform and related Microsoft 365 services.
• The role designs, builds, and supports secure, scalable, and user-friendly SharePoint sites and business solutions. It combines strong SharePoint platform administration with solution development, automation, integration, and migration capabilities.
• This role partners closely with business stakeholders, product owners, and IT teams to deliver solutions that improve productivity, enhance collaboration, and standardize information management.

Key Responsibilities

• SharePoint platform administration and architecture
• Administer and support SharePoint Online.
• Define and maintain the SharePoint Online architecture.
• Manage site creation, configuration, ownership, permissions, sharing controls, storage, versioning, restoration, archival, and deletion.
• Establish standards for site structure, naming, metadata, content types, site columns, navigation, and information architecture.
• Implement lifecycle controls for inactive, ownerless, duplicated, or non-compliant sites.
• Monitor service health, usage, adoption, storage, capacity, and performance, recommending improvements where required.
• Security, compliance, and governance
• Design and implement secure access models using role-based access, least-privilege principles, and appropriate permission inheritance.
• Manage permissions across SharePoint sites.
• Monitor and remediate oversharing, broken permission inheritance, orphaned sites, inappropriate access, and unsupported customisations.
• Ensure SharePoint and Power Platform solutions comply with organisational security, data-protection, risk-management, and regulatory requirements.
• Solution engineering and automation
• Design and build modern SharePoint Online sites aligned to information architecture and user and organization needs.
• Create reusable templates, components, provisioning patterns, and automation to improve delivery speed and platform consistency.
• Develop Power Apps for digital forms, user experiences, and business processes.
• Build and maintain Power Automate flows.
• Develop secure solutions that interact with SharePoint, Dataverse, SQL, Microsoft Graph, and approved enterprise services.
• Manage project development and code with DevOps/ GIT.
• Migration delivery
• Plan and deliver SharePoint Online migrations from our various tenants.
• Provide post-migration support and contribute to the controlled decommissioning of legacy sites.
• Operational support and continuous improvement
• Provide ongoing operational support for SharePoint Online and Power Platform solutions.
• Perform root-cause analysis and implement preventative improvements for recurring or high-impact issues.
• Support incident, problem, change, release, and request-management processes.
• Maintain technical designs, configuration records, support runbooks, release notes, user guides, and knowledge articles.
• Define and document restoration, recovery, versioning, recycle-bin, and business-continuity procedures.
• Deliver training and enablement sessions for business users, site owners, content owners, and support teams.
• Identify opportunities to reduce manual work through automation, standardisation, reusable components, and self-service services.
• Maintain awareness of developments across Microsoft 365, SharePoint, Microsoft Entra ID, and Power Platform.

Required Skills & Experience

• 5 or more years of hands-on SharePoint administration and engineering experience, including ownership or support of enterprise-scale SharePoint Online environments.
• Strong experience administering SharePoint Online through the SharePoint Admin Center and Microsoft 365 Admin Center.
• Strong understanding of SharePoint Online architecture, governance, permissions, security, sharing, storage, search, and lifecycle management.
• Experience designing, building, and supporting modern SharePoint Online sites and solutions.
• Experience with hub sites, communication sites, team sites, Teams-connected sites, Microsoft 365 Groups, private and shared channel sites, and OneDrive.
• Strong knowledge of information architecture, including content types, site columns, metadata, managed terms, the Term Store, navigation, and search configuration.
• Experience managing tenant-level and site-level sharing controls, guest access, permission inheritance, and secure collaboration patterns.
• Demonstrated experience planning and delivering SharePoint or Microsoft 365 migrations.
• Hands-on experience with Power Apps, including forms, validation, user experience design, security, and connectors.
• Hands-on experience with Power Automate, including multi-step flows, approvals, expressions, exception handling, retry logic, notifications, and integrations.
• Strong PowerShell and PnP PowerShell skills for tenant administration and operational automation.
• Experience working with Microsoft Graph, SharePoint REST APIs, Dataverse, SQL, and enterprise data sources.
• Experience using Git and Azure DevOps, or equivalent tools, for source control, work management, testing, deployment, and release management.
• Experience with application lifecycle management, including versioning, testing, environment management, release processes, rollback planning, and operational support.
• Experience with SharePoint Framework, TypeScript, React, Node.js, and custom solution deployment is desirable.
• Strong understanding of permissions and security concepts (SharePoint groups, RBAC-style patterns, sharing controls).
• Working knowledge of Microsoft Entra ID and its relationship with Microsoft Ecosystem.
• Experience applying Power Platform governance, environments, and DLP policies.
• Experience working in a regulated, risk-sensitive, or compliance-driven environment.
• Awareness of Microsoft 365 and Power Platform licensing dependencies, premium connectors, environment capacity, and platform limitations.
• Strong troubleshooting and root-cause analysis skills across SharePoint, OneDrive, Power Platform, permissions, search, integrations, and migrations.
• Demonstrated experience delivering platform changes and solutions end to end.
• Strong stakeholder management and customer-focused mindset.
• Excellent written and verbal communication skills.
• High attention to detail, particularly in relation to permissions, migrations, data handling, compliance, and production changes.
• Ability to manage multiple priorities, communicate risks and dependencies, and deliver work to agreed deadlines.
• Strong ownership, collaboration, problem-solving, and continuous improvement mindset.
• Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent practical experience.
• Current and relevant Microsoft certifications in Microsoft 365, SharePoint, Power Platform, Azure, Microsoft Entra ID, security, or compliance are desirable but not essential.