Qualified Finance Systems Manager/System Accountant - Microsoft D365 Finance

Financeroles; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

Telefónica Tech is seeking a Finance Systems Manager to bridge Finance and IT, owning the Dynamics 365 Finance roadmap and ensuring system accuracy, automation, and regulatory compliance. You will translate business needs into actionable user stories and collaborate with stakeholders across Finance, IT, and Compliance.

The role emphasizes data-driven optimization, process improvement, and a strong focus on change management and training to boost adoption of new financial systems and reporting

Qualifications

• Bachelor’s degree in Finance, Accounting, Economics, or related field.
• Qualified accountant.
• MB-300 and MB-310 certifications (or equivalent experience) preferred.

Responsibilities

• Own and manage the Dynamics 365 Finance roadmap across entities.
• Translate business requirements into user stories and acceptance criteria.
• Act as the voice of the customer, ensuring regulatory compliance.
• Identify and upscale system quality issues with technical teams.
• Support change management and training to improve adoption.
• Champion continuous improvement and agile delivery practices.

Skills

Dynamics 365 Finance

Power BI

Excel

SQL queries

RPA

Agile delivery

Backlog management

Stakeholder engagement

Regulatory knowledge

Change management

Education

Bachelor’s degree in Finance

Qualified accountant

MB-300 and MB-310 certifications

Tools

SAP BPC

Rosetta

DevOps

Job description

At Telefónica Tech (part of the Telefónica Group) we believe in building a better world through secure digital enablement, focusing on empowering organisations through every stage of their digital journey, and solving their most complex business challenges with our comprehensive suite of technology solutions across Data & AI, Cyber Security, Cloud, Business Applications, and Modern Workplace.

The Finance Systems Manager acts as the bridge between finance and IT, ensuring financial systems are optimized, accurate, and aligned with business needs. This role focuses on maintaining, improving, and implementing financial systems, supporting reporting and compliance, and driving automation and efficiency across finance processes.

Key Responsibilities

• Own and manage the roadmap for Dynamics 365 Finance, including the rollout all entities, ensuring it reflects business priorities and technical dependencies.
• Translate business requirements into clear user stories and acceptance criteria, particularly across modules like Fixed Assets, Expenses, Order Management, and Advanced Bank Reconciliation.
• Act as the voice of the customer, ensuring the solution meets business needs and regulatory requirements.
• Identify and upscale system quality issues, working with technical teams to drive resolution.
• Support change management and training initiatives to improve adoption and reduce reliance on external support.
• Champion continuous improvement and best practices in product ownership and agile delivery.

Qualifications

• Bachelor’s degree in Finance, Accounting, Economics, or related field.
• Qualified accountant.
• Certifications – MB-300 and MB-310 certifications (or equivalent experience) preferred.

Skills & Experience

• Dynamics 365 Finance Expertise – Deep understanding of core financial modules and their configuration.
• Experience with financial reporting tools and BI platforms (Power BI, Tableau). Knowledge of system integrations and data flows between finance and other business systems.
• Advanced Excel (pivot tables, macros, data analysis). Familiarity with SQL or basic database queries for troubleshooting. Understanding of automation tools (RPA) and workflow solutions.
• Experience of SAP (BPC) and Rosetta.
• Project Management -Experience in system implementation, upgrades, or migration projects. Ability to manage timelines, stakeholders, and deliverables.
• Business Process Analysis – Ability to map, challenge, and improve finance processes.
• Stakeholder Engagement – Skilled in managing cross-functional relationships and facilitating workshops.
• Agile Delivery – Experience in backlog management, sprint planning, and iterative delivery.
• Data-Driven Insight – Proficient in using Power BI and DevOps to track progress and inform decisions.
• Integration Awareness – Understanding of CPQ, service tenant provisioning, and system interfaces.
• Regulatory Knowledge – Familiarity with compliance requirements such as MTD, audit trails, and security roles.
• Change Management – Ability to support training, super user enablement, and adoption strategies.
• Attention to Detail – Strong focus on data accuracy, system configuration, and quality assurance.

We encourage applications from a wide range of individuals, irrespective of: age, disability, gender, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or beliefs and sexual orientation.

We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation.

We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE (African and Caribbean heritage network), and Sustainability.

At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves.We celebrate and respect our differences because diversity drives innovation and makes us stronger.
Be yourself with us, and feel that you belong.

We look forward to hearing from you!