Staff, Architect - Tax Systems

Welcome to Warner Bros. Discovery… the stuff dreams are made of. Who We Are… When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what’s next… From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive. Your New Role... The Staff, Architect - Tax Systems will own the end-to-end architecture, implementation, and support of the OneSource tax engine and its integrations with SAP Ariba and SAP S/4HANA across US and international entities. This is a business-facing, hands-on architect role that serves as the primary point of contact between Tax, Ariba, SAP, and OneSource teams to design solutions and triage issues through to resolution. The role requires a strong working knowledge of the broader S/4HANA and Ariba landscape to understand issues end-to-end and validate fixes across the full transaction flow.

Accountabilities... OneSource Architecture & Integration Own the architecture and design of OneSource tax engine integrations with SAP Ariba and SAP S/4HANA Lead implementation of new OneSource integrations, tax content, and determination logic for new entities, regions, and business requirements across the US and international landscape Serve as the subject matter expert on OneSource configuration, calculation logic, and integration touchpoints with Ariba and S/4HANA Partner with SAP Basis/technical and Ariba teams to ensure solution designs support accurate tax determination, calculation, and posting end-to-end Issue Triage & Resolution Act as the primary business-facing point of contact for triaging tax integration issues spanning Ariba, S/4HANA, and OneSource Drive cross-team issue resolution, working directly with Ariba, SAP, OneSource, and other vendor/support teams to see issues through to completion Perform root-cause analysis on tax determination and posting discrepancies and recommend corrective configuration or process changes Testing & Quality Assurance Design and execute end-to-end test scenarios spanning Ariba, S/4HANA, and OneSource for new implementations, upgrades, and defect fixes Validate that tax determination and postings are correct across the full procure-to-pay transaction flow, not just within OneSource Cross-Functional Communication & Stakeholder Management Communicate clearly and proactively with Tax, Finance, IT, and vendor stakeholders across the US, Europe, and APAC regions Manage expectations across multiple parties and maintain a collaborative, solutions-oriented approach to issue resolution Governance & Continuous Improvement Stay current on the OneSource product roadmap, regulatory/tax changes, and SAP/Ariba release updates that affect tax integrations Identify opportunities to improve integration reliability, reduce manual intervention, and strengthen the overall tax systems landscape Maintain architecture, configuration, and process documentation for the OneSource/Ariba/S/4HANA integration Qualifications & Experiences... 9+ years of experience implementing and supporting enterprise tax systems 7-9 years of hands-on implementation or operational experience with Tax solutions like OneSource, Pagero. 5-7 years of transactional processing and operations assurance experience Demonstrated expertise with OneSource, including hands-on experience implementing OneSource integration to Ariba•   Demonstrated expertise implementing OneSource integration to SAP S/4HANA US and international tax systems implementation experience Functional tax knowledge - understanding of