Senior Tax Systems Engineer (Vertex)

What you'll do

• Lead the end-to-end implementation of Vertex tax solutions across Finance and Revenue systems.
• Configure and optimize Vertex tax engines, including rules, jurisdictions, exemptions, and reporting.
• Design integrations between Vertex and ERP, Billing, Revenue Recognition, and Order Management systems.
• Define tax data flows, transaction mappings, and reconciliation controls for integrated systems.
• Troubleshoot tax calculation issues, integration failures, and discrepancies in data reconciliation.
• Establish standards for API contracts, payload structures, error handling, and monitoring in integrations.
• Ensure audit readiness, strong documentation, and SOX compliance for Vertex implementations.

What we're looking for

• 8+ years of experience implementing and supporting Vertex tax solutions in enterprise environments.
• Deep expertise in indirect tax domains including Sales & Use Tax, VAT, GST, cross-border taxation, exemptions, and compliance.
• Strong knowledge of Vertex configuration, including rules, jurisdictions, rates, exemptions, certificates, and reporting.
• Experience integrating Vertex with ERP, billing, and revenue systems via REST/SOAP APIs, middleware, or custom frameworks.
• Solid understanding of Quote-to-Cash and Record-to-Report processes in enterprise settings.
• Proficient in API design, data mapping, JSON/XML transformations, and secure integrations.
• Strong troubleshooting skills across tax, integration, and financial data flows.