SaaS Systems Manager
SaaS Systems Manager D365 F&O – Financial Services A leading financial services organisation is seeking an experienced SaaS Systems Manager to oversee and optimise their finance technology landscape. Reporting to both the IT Director and Group Finance & Strategy Director, you’ll support core finance systems, drive process improvements, and partner closely with global finance teams.Role & Responsibilities
- Own and manage OneStream and Microsoft Dynamics D365 in line with Finance and IS standards.
- Maintain legal entity hierarchies, system configurations, access controls, and user permissions.
- Partner with accounting teams to resolve D365 issues and ensure smooth daily operations.
- Extract data and perform ETL tasks; manage integrations and data flows between systems.
- Gather and document business requirements for new functionality, modules, and localisation.
- Lead testing, validation, system changes, and workshops with finance and IT teams.
- Support integration of new business units into the company’s financial systems.
- Build dashboards, reports, workflows, and enhance financial processes in OneStream and D365.
- Maintain group COA, create new entities/dimensions, and align mapping with local finance leads.
- Liaise with finance teams, auditors, and stakeholders to ensure systems meet reporting needs.
- 3+ years’ experience with OneStream, Dynamics 365, Hyperion, or similar finance systems.
- Must have direct experience with D365 (Ideally F&O)
- Strong understanding of consolidation, accounting processes, and global financial structures.
- Experience with PowerBI and Python.
- Excellent Excel, analytical, communication, and project management skills.
- Degree in Finance, Accounting, Business, or Information Systems.
- Accounting qualification (ACA/ACCA/CIMA).
- Experience in multinational organisations and IFRS/GAAP frameworks.
- OneStream or CPM certifications.
- Reval TMS
- £85–105k base (DOE)
- Hybrid working (City of London)
- Health insurance, pension, and professional development