Vertex Tax System Production Support Service Engineer

6 Month FTC Salary: Dependent on experience Hybrid: 2 days a week in the office

We're hiring a technically skilled and tax-aware professional to support a global tax automation platform integrated with a major ERP environment. This role involves managing system accuracy, supporting compliance processes, and ensuring seamless operations between financial systems and tax engines.

• Provide subject matter expertise across global indirect tax types such as VAT, GST, Sales & Use Tax, and Withholding Tax.
• Maintain and resolve issues within tax automation tools including rules, jurisdiction mappings, and product taxability.
• Ensure correct configuration of tax rates, exemptions, and categories.
• Support integration points between tax engine and ERP platforms (e.g., Oracle Fusion or similar).
• Oversee compliance-related reporting activities including audit support, accruals, reconciliations, and filing data preparation.
• Troubleshoot transactional discrepancies and assist users in resolving taxation-related queries.
• Log, analyze, and prioritize support incidents while maintaining documentation for future reference.
• Assist in system patching, version upgrades, and testing of tax automation workflows.
• Monitor system performance and collaborate on optimization initiatives.

• Use SQL and reporting tools to perform transaction analysis, validate tax results, and troubleshoot reconciliation issues.
• Resolve system integration errors including tax calculation failures, incorrect invoice treatments, or missing rate mappings.
• Maintain and support API-based connections (REST/SOAP) for seamless data exchange between ERP and tax systems.
• Improve system throughput by identifying slow processes, batch job delays, and misconfigured data loads.
• Work with ERP tools (e.g., FBDI, ADFdi) to upload and manage tax data such as exemptions, rates, and transaction records.

• Experience in supporting global tax automation platforms, ideally integrated with cloud ERP systems.
• Understanding of indirect tax principles across various jurisdictions.
• Proficiency in SQL for data investigation and reporting.
• Hands on experience in system-to-system integration and API troubleshooting.
• Ability to support both functional users and technical teams across finance and IT.
• Strong analytical thinking with attention to accuracy in tax calculation workflows.