SaaS Systems Manager (Dynamics 365)

Job description

Role Purpose The purpose of this role is to enable robust, scalable and insight‑driven financial and operational decision‑making through the effective configuration, integration and optimisation of core finance and enterprise systems. Acting as a bridge between Finance, IT and the wider business, the role ensures that business requirements are translated into high‑quality system solutions that support strategic objectives and operational performance. The role exists to provide subject‑matter expertise across critical finance and reporting platforms, strengthening data integrity, process efficiency and analytical capability in a complex, fast‑paced international environment. Through close collaboration with senior stakeholders, the role supports continuous improvement and ensures systems evolve in line with business needs. Key Responsibilities Act as system owner for core finance platforms (including OneStream and Microsoft Dynamics D365) as well as other corporate systems as required, ensuring effective day‑to‑day oversight, stability and compliance with Finance and IS procedures. Manage system configuration and governance , including legal entity structures, master data, chart of accounts alignment, access controls, user permissions, and periodic access recertification. Ensure operational reliability of finance systems by proactively identifying, troubleshooting, and resolving system, performance, interface, and data issues in collaboration with Finance, IT, and external vendors. Serve as the primary liaison between Finance and IT for systems-related matters, supporting accounting teams and driving issues through to timely resolution. Lead continuous improvement of systems ( finance and others) and processes , regularly reviewing, optimising, and standardising workflows to improve efficiency, control, and data quality. Drive systems change and project delivery , including requirements gathering, documentation, configuration, localisation for new jurisdictions (e.g. VAT/tax), data migration, and coordination with internal and external stakeholders. Own and execute system testing and validation activities , including independent testing, re-performance, and assurance that new or changed functionality meets agreed business requirements. Support system-related workshops and project activities , contributing functional expertise on interfaces, data sources, automation objectives, and current/future state process design. Enable seamless integration of new entities or business units into the group’s finance and other systems and reporting infrastructure, supporting scalable and consistent global reporting. Act as subject matter expert for finance systems , providing guidance, training, and support to finance users, auditors, and other stakeholders, and maintaining up-to-date knowledge of system capabilities and best practices. Design and embed robust finance processes within systems, including automated reconciliations, consolidations, GAAP rules, intercompany processes, dashboards, workflows, and internal controls. Develop and deliver standardised, fit-for-purpose reports and dashboards , ensuring outputs are secure, controlled, audience-appropriate, and aligned with corporate, regulatory, and management reporting requirements. Person Specification Experience: Demonstrable effectiveness and hands-on experience with relevant systems (Microsoft Dynamics, OneStream or Hyperion, or others) including administration, system management, and reporting. Robust experience with financial consolidation and reporting processes. Knowledge and experience of financial accounting, reporting legal entity structures, and consolidation rules. Strong understanding of finance and accounting processes, particularly in global enterprises. Skills & Competencies: Knowledge of financial systems integration and data flows between systems (e.g. accounting / ERP system, and reporting system). Ideal candidate would be proficient in system applications including configuration, reporting, and system administration. Advanced Excel skills, with a strong understanding of financial and data analysis. Excellent organisational and project management skills to handle multiple reporting deadlines and priorities. Strong attention to detail, analytical thinking, and problem-solving abilities. Effective communication and interpersonal skills to collaborate with cross-functional teams. Desirable Attributes: Qualified accountant Prior experience in a multi-national company or complex organisation with global reporting requirements. Familiarity with IFRS, GAAP, or other financial accounting standards. Experience with database and systems management, or other data analysis tools. OneStream certification or other relevant CPM certifications. Our benefits Generous Pension - up to 10% employer contribution Private Medical Life Insurance