Tax Configuration & Compliance
Support Oracle Fusion Tax and Vertex configurations for Sales & Use Tax, VAT, GST, and Withholding Tax across multiple jurisdictions.
Ensure proper tax determination, tax exemption handling, and product/service taxability mapping.
Maintain Tax Rules, Tax Rates, Tax Reporting Codes, and Tax Registrations within Oracle Fusion.
Support Supply Chain Taxation, ensuring correct tax treatment for procurement, intercompany transactions, and drop shipments.
Provide expertise for Intercompany Tax Compliance, ensuring correct tax accounting for cross-entity transactions and transfer pricing.
Maintain Tax Compliance for Network Billing, correctly applying tax for third-party billing flows.
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 performance and recommend improvements.
Tax Integration Support.
Configure and troubleshoot Vertex tax calculations in Oracle Cloud Payables (AP), Receivables (AR), and Intercompany
Ensure accurate tax calculation on supplier invoices, customer invoices, and intercompany settlements
Support Tax on Procurement Transactions, ensuring accurate tax determination on POs and supplier invoices
Maintain correct tax treatment for self-assessed tax (Use Tax, Reverse Charge VAT) in AP transactions
Resolve Tax impacts on Intercompany Invoicing and Netting, ensuring tax compliance across legal entities
Support tax implications of Supply Chain Financial Orchestration (SFO) transactions, including drop shipments and intercompany flows ERP & Tax System Integration
Maintain Vertex integration with Oracle Cloud ERP (AP, AR, IC, SFO) and troubleshoot integration issues
Debug Tax Calculation Failures in Fusion and Vertex, identifying missing configurations or rule conflicts
Manage Vertex API Calls, Web Services, and Tax Data Feeds SQL & Data Analysis Write queries to extract tax-related data from tables such as ZX_LINES, ZX_RATES, ZX_REPORTING_CODES, AP_INVOICES, AR_TRANSACTIONS, and IC_TRANSACTIONS Debug tax discrepancies in AP, AR, and Intercompany invoices
Analyze tax data for audit purposes, variance checks, and reconciliation Identify and resolve slow tax calculation jobs, tax rule processing issues, and invoice tax posting Ensure Vertex tax engine performance is optimized for high-volume transaction processing Tax Reporting & Period Close
Generate Tax Reports for Compliance and Audit (VAT, GST, Sales & Use Tax, Withholding Tax, etc.)
Reconcile Tax Balances between Subledger (AP, AR, IC) and General Ledger (GL) Support period-end tax processing, ensuring accurate tax calculations, accruals, and adjustments Compliance, Audit & Reporting
Ensure SOX compliance in tax processing, maintaining proper controls for tax approvals and changes
Support tax audits, providing transaction-level tax details and supporting documentation
Ensure Vertex Tax Updates and Quarterly Oracle Cloud Tax Updates are properly tested and implemented
Manage Tax Data Reconciliations between Vertex, Fusion Tax, and General Ledger
Prepare and validate Tax Liability Reports, Exemption Reports, and Withholding Tax Reports
Assist tax teams in reconciling tax postings across AP, AR, and Intercompany transactions
Support Tax Forecasting and Accruals for Supply Chain Transactions Operational & Support Processes
Utilize Vertex & Oracle Support (MOS - My Oracle Support)
Create and manage Service Requests (SRs) for tax calculation issues, Vertex exceptions, invoice errors, and tax updates
Use Vertex Support Portal (MyVertex) to log issues, track patches, and access tax knowledge bases
Monitor and support quarterly Oracle Cloud updates for tax configurations, ensuring tax rule accuracy
Perform regression testing when engine changes and Oracle Cloud ERP patches affect deployment
Ensure tax updates are thoroughly tested for Payables, Receivables, Intercompany, and SFO transactions
Assist finance, tax, procurement, and supply chain teams with tax-related issues
Document Standard Operating Procedures (SOPs) for tax processing, audit preparation, and troubleshooting
Strong understanding of indirect taxation (Sales & Use Tax, VAT, GST, Withholding Tax)
5+ years’ experience with Oracle Fusion Tax and Vertex tax engines
Knowledge of tax configurations across multiple tax jurisdictions
Experience with tax integration in ERP systems, particularly Oracle Cloud
Proficiency in SQL for tax-related data analysis and troubleshooting
Experience with tax reporting and compliance requirements
Understanding of period-end tax processes and reconciliations
Familiarity with SOX compliance requirements for tax processes
Strong problem-solving skills for complex tax calculation issues
Ability to work with cross-functional teams including finance, tax, and IT
This position requires a blend of taxation expertise and technical troubleshooting
capabilities to maintain critical tax management systems and ensure tax compliance across the organization.
Additional Job Details:
Tanisha Systems, founded in 2002 in Massachusetts-*, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally. We use a client-centric engagement model that combines local on-site and off-site resources with the cost, global expertise and quality advantages of off-shore operations. We deliver Custom Application Development, Application Modernization, Business Process Outsourcing and Professional IT Services from office locations in * and *.
Tanisha Systems services clients in Government, Banking & Financial Markets, Insurance, Healthcare, Retail & Consumer Goods, Energy & Utilities, Life Sciences, Telecom, Manufacturing and Transportation Industries around the globe. Our engagement model provides a flexible operational environment that empowers our clients with the right levels of control.
Want to read more about Tanisha Systems? Visit us at
www.tanishasystems.com