Business Analyst – Tax & Systems Migration

About the project

Join an international Tax Technology & Systems Transformation project focused on migrating CIT and Partnership Tax calculations from OneSource Legacy to the new NextGen OneSource platform.

This is more than a standard system migration. You will work across business processes, applications, and integrations, helping to prepare the wider technology landscape for the transition.

Your role

• Gather, analyse, and document business and system requirements.
• Work closely with business stakeholders, IT teams, and external solution providers.
• Analyse existing systems, processes, and application dependencies.
• Translate business needs into functional and technical requirements.
• Support the migration from OneSource Legacy to NextGen OneSource.
• Analyse and document integrations between applications.
• Identify system dependencies, risks, and potential migration issues.
• Participate in solution design, testing, and implementation.
• Support communication between business and technical teams.
• Contribute to the successful transition to the new platform.

What we are looking for

• 4–5+ years of experience as a Business Analyst or Technical Business Analyst.
• Proven experience in system migration, transformation, or enterprise implementation projects.
• Strong experience in requirements gathering and business process analysis.
• Ability to translate business requirements into functional and technical requirements.
• Good understanding of system integrations and dependencies.
• Experience working with tools such as Jira, Confluence, Azure DevOps, or similar.
• Excellent communication skills in English.
• Experience working in international, cross-functional environments.

Nice to have

• Experience with Corporate Tax / CIT.
• Experience in Tax Technology / Tax Transformation.
• Background in Finance, Tax, or Compliance.
• Experience with workflow and process automation.

Why join?

• International transformation project.
• 100% remote work within European time zones.
• Opportunity to work on a major system migration.
• Exposure to enterprise integrations and transformation.
• Opportunity to develop expertise in Tax Technology.
• Flexible engagement: initially 100%, then approximately 50%.
• Collaboration with international business and technology teams.