Staff, Architect - Tax Systems

Warner Bros. Discovery•Atlanta, GA

About The Position

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.

Requirements

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 tax posting logic and requirements for US, Europe, and APAC regions
Ability to interpret tax regulatory requirements by region and assess their impact on tax engine configuration, master data, and downstream postings
Solid working understanding of SAP S/4HANA and SAP Ariba sufficient to understand issues end-to-end and validate fixes across the full transaction flow
Proven ability to work across Ariba, SAP, and other parties to triage issues and see them through to completion
Excellent communication skills and a collaborative, business-facing approach given the number of parties involved
Bachelor's degree in a related field or equivalent experience

Nice To Haves

Knowledge of e-invoicing solutions such as Pagero, Edicom, or SOVOS
Experience with additional tax engines such as Vertex
Working knowledge of additional SAP modules (MM, SD, AP) that impact taxation
Exposure to SAP ABAP or other technical/integration skills
Experience working in a national or global company
Experience in the media, entertainment, or streaming services industry

Responsibilities

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
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
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
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
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