SAP FI Consultant (OneSource)

hello All,

Greetings from Tesslogs,

We are looking for an highly skilled SAP FI + OneSource professional to join our team and drive tax automation and integration initiatives as part of our digital transformation journey.

Key Responsibilities

Lead or contribute to the full lifecycle implementation of

OneSource (or equivalent indirect tax engine)

integrated with SAP FI / CO

Configure and maintain tax rules, tax rates, exemption logic, nexus, product taxability, certificate management, etc.

Design and build interfaces, data mappings, and integration flows between SAP (e.g. FI, SD, MM) and OneSource

Gather and document business requirements, functional specifications, mapping documents, test cases, and user manuals

Perform unit testing, integration testing, user acceptance testing (UAT), and regression testing

Handle post-go-live support, issue resolution, performance tuning, and enhancements

Collaborate with cross-functional teams (Finance, Tax, IT, auditors, compliance) to ensure business alignment and tax compliance

Provide end-user training, create knowledge base, conduct workshops for stakeholders

Stay updated with global indirect tax regulations (VAT / GST, sales & use tax) and ensure system changes comply

Support tax process improvements, automation initiatives, and controls (e.g. reconciliation, audit readiness)

Assist in system upgrades, migrations (e.g. SAP ECC → S / 4HANA) migrations involving tax engine componen

Required Skills & Experience

Bachelor’s / Master’s degree in Accounting, Finance, Computer Science, Information Systems, or related field

5+ years of hands-on SAP FI / FICO experience (GL, AP, AR, integration with MM / SD)

3+ years experience working with

OneSource

(or similar tax engines such as Sabrix, Vertex) in design, implementation, or support

Strong expertise in configuring tax engine rules : taxability, calculations, exemptions, nexus, certificate handling

Experience designing and implementing interfaces (IDocs, APIs, middleware) between SAP and tax engine

Ability to interpret indirect tax laws, tax rules and apply them in system logic

Excellent analytical, problem-solving, and debugging skills

Strong documentation skills (functional specs, test scripts, user guides)

Good communication, stakeholder management, and team collaboration skills

Ability to work in global / matrixed environment (cross time zones)

Knowledge of SAP S / 4HANA and migration strategy is a plus

Exposure to audit, compliance, or controls (SOX, internal audit) is beneficial

Regards,

Gladys

#OneSource #IndirectTax #TaxAutomation #TaxCompliance #TaxTechnology #GlobalTax