TL;DR

SaaS Systems Manager (Fintech): Overseeing and optimizing the finance technology landscape, specifically managing OneStream and Microsoft Dynamics D365 to support global financial operations. Focus on driving process improvements, maintaining legal entity hierarchies, and managing complex integrations and data flows within a financial services environment.

Location: Must be based in or able to commute to London (Hybrid)

Salary: £85,000–£105,000

Company

A leading financial services organization focused on scaling and optimizing its global finance technology systems.

What you will do

  • Manage and optimize OneStream and Microsoft Dynamics D365 F&O to align with business standards.
  • Maintain system configurations, user permissions, and legal entity hierarchies.
  • Partner with global finance teams to resolve operational issues and enhance financial processes.
  • Perform ETL tasks and manage data flows between critical financial systems.
  • Document business requirements and lead workshops for new functionality and localization efforts.
  • Liaise with stakeholders and auditors to ensure system compliance with reporting needs.

Requirements

  • Location: Must be based in or able to commute to the City of London
  • 3+ years of experience with finance systems such as OneStream, Hyperion, or D365.
  • Direct experience with Microsoft Dynamics 365 (F&O).
  • Strong understanding of accounting processes, consolidation, and global financial structures.
  • Proficiency in PowerBI and Python for data analysis and reporting.
  • Strong analytical, Excel, and project management skills.

Nice to have

  • Degree in Finance, Accounting, Business, or Information Systems.
  • Professional accounting qualification (ACA, ACCA, or CIMA).
  • Experience with IFRS/GAAP frameworks in multinational organizations.
  • OneStream or CPM certifications.

Culture & Benefits

  • Hybrid work model based in the City of London.
  • Comprehensive health insurance and pension schemes.
  • Opportunities for professional development.