D365 F&O System Administrator

D365 F&O System Administrator Department: IT

Reports to:

Head of IT

Location:

Marylebone, London About the company The Howard de Walden Estate is one of Londons largest and most prestigious estates, comprising over 800 properties across 95 acres of Marylebone. The Company owns, manages and leases its buildings to a diverse customer base across five sectors: healthcare, office, residential, retail and education. The property portfolio is managed through an inhouse team with a strong focus on longterm stewardship, operational excellence and continuous improvement.

The Company is embarking on a business-wide modernisation programme, to revitalise ways of working, data, systems and processes. Project Elevate has been initiated to replace the current Property Management and Accounting system (MRI Platform X), in place for nearly three decades.

The programme will deliver a unified, scalable and supportable SaaS platform covering finance, property management, procurement, project accounting and reporting. It is a strategically important initiative that will fundamentally change how the organisation operates and how colleagues interact with core systems

About the role:

Project Elevate is a multiyear transformation programme to implement Microsoft Dynamics 365 Finance & Supply Chain Management as the organisations core ERP platform, integrated with existing Microsoft Dynamics 365 Customer Engagement and M-Files Document Management applications. The project will also incorporate specialist Independent Software Vendor (ISV) solutions, including Yavicas Flex Property and Sign Ups ExFlow products.

The D365 F&O System Administrator role is permanent, reporting to the Head of IT. The role forms part of the core team supporting the delivery of Project Elevate and the longterm operation of the ERP platform. The role will provide inhouse ownership of system administration, security, access control and platform governance, supporting both the implementation phase and ongoing businessasusual operation post golive.

This position offers the opportunity to play a key role in a business critical transformation programme and to take longterm ownership of a modern SaaS ERP platform that underpins core finance and operational processes across the organisation.

What you will do:

Project Elevate Responsibilities:

• Act as the internal D365 F&O system administrator throughout the implementation lifecycle, working alongside external delivery partners.
• Support the setup, management and governance of all D365 environments.
• Manage system security, user access, role mapping and segregation of duties, aligned to standard D365 security models and internal governance requirements.
• Support configuration management and controlled promotion of configuration and code across environments.
• Assist with data migration activities, including validation, reconciliation and cutover support.
• Support testing activities (SIT and UAT), including environment readiness, defect triage and resolution support.
• Contribute to golive readiness, cutover planning and hypercare activities.
• Support governance, control and audit requirements, including access reviews, environment controls and change assurance.

Business as Usual Operation & Platform Ownership:

• Act as the primary administrator for D365 F&O post golive, owning system configuration, security and access controls.
• Manage user provisioning, role changes and ongoing access reviews.
• Support monthend and yearend activities from a system administration perspective.
• Own release and change management processes for D365 F&O, including Microsoft updates and coordination with business stakeholders.
• Act as a point of escalation for system issues, working with internal IT, Microsoft and support partners as required.
• Maintain system documentation, administration procedures & knowledge transfer materials.
• Drive awareness, reinforcement, and education of best practices to ensure consistent user behaviour and compliance.
• Support continuous improvement initiatives & optimisation of business processes in D365.
• Contribute to the long-term strategic objectives & direction of the IT architecture.
• Facilitate workshops and training as required.

Key Relationships:

• Head of IT
• IT Project Manager
• Director of Operations
• Internal Business Analysts
• Heads of Asset Management, Property Management, Facilities Management, Finance and Procurement teams
• External System Integration and Change Management partner (Avanade)
• Microsoft and ISV partners (Yavica, Sign Up)
• Incumbent partners (MRI, Redirect Consultancy, Kingsway Soft Middleware, M-Files)

What you will need:

Essential:

• Proven experience administering Microsoft Dynamics 365 F&O in a live environment.
• Strong understanding of D365 security roles, user management and segregation of duties.
• Experience managing D365 environments and supporting releases, patches and updates.
• Practical experience supporting ERP implementations or major system upgrades.
• Familiarity with Azure Dev Ops or similar tooling for issue, change and release management.
• Good…