Vertex Tax System Production Support Engineer

Position Overview We are seeking a skilled Service Engineer to provide comprehensive production support for Vertex tax management systems and their integration with ERP platforms. This role requires both taxation expertise and technical troubleshooting capabilities to ensure accurate tax calculations and seamless system operations across multiple jurisdictions. Key Responsibilities Functional Support Apply expertise in Indirect Taxation including Sales & Use Tax VAT GST and Withholding Tax across different jurisdictions Maintain and troubleshoot Vertex Tax Calculation Rules Tax Jurisdictions and Product Taxability Assignments Support ERP integrations with Vertex (e.g. Oracle Fusion and internal systems) Ensure accuracy of tax rates exemptions and tax determinations Manage Tax Configuration Tax Categories and Exemption Certificates within Vertex Support Tax Reporting and Compliance including generating reports for tax filing and audit purposes Handle Tax Accruals and Reconciliations to ensure General Ledger accuracy Receive analyze and prioritize related support tickets Provide timely solutions to users Document resolution steps and knowledge base articles Support system upgrades and patches Monitor system performances and recommend improvements Technical Operations Perform SQL & Data Analysis by querying ERP and Vertex databases for tax calculations transaction history and reconciliation Troubleshoot ERP-Vertex integration issues including debugging tax calculation problems missing tax rates and incorrect invoice tax postings Maintain API Data Feeds including Vertex API calls REST/SOAP integrations and data flow between Vertex and ERP systems Implement Performance Optimization by identifying slow queries resolving batch processing issues and improving tax data loads Support FBDI & ADFdi usage for importing and updating tax rates transactions and exemption certificates in Oracle Fusion Compliance & Reporting Support Tax Reporting for Compliance (Sales & Use Tax VAT/GST Returns Withholding Tax Reports 1099/1042 forms etc.) Assist in SOX Audits ensuring controls documentation and approvals are in place for tax processes Reconcile tax liabilities in Vertex vs. ERP tax subledger vs. GL postings Prepare and validate audit-ready tax reports for external and internal audits Ensure compliance with Vertex Tax Engine updates (new tax rates regulatory changes etc.) Operational Support Utilize Vertex Support Website (MyVertex) for issue resolution Create and manage support tickets Access Vertex Knowledge Base Release Notes and Patches Follow up on issue resolutions and track service requests Test tax rate updates and system upgrades Coordinate regression testing for ERP and Vertex quarterly updates Assist accounting tax and finance teams with Vertex-related issues Document troubleshooting steps and best practices for tax processing Required Qualifications Strong understanding of indirect taxation (Sales & Use Tax VAT GST Withholding Tax) 5 years experience with Vertex tax systems and ERP integrations Knowledge of tax calculation rules jurisdictions and product taxability assignments Proficiency in SQL and data analysis Experience troubleshooting API integrations and data feeds Understanding of tax compliance reporting requirements Familiarity with SOX audit requirements for tax processes Experience with FBDI & ADFdi for data imports and updates Strong problem-solving skills for complex tax calculation issues Ability to document and communicate technical solutions effectively This position requires a blend of tax domain expertise and technical troubleshooting capabilities to maintain critical tax management systems and ensure accurate tax calculations and reporting