Support the end-to-end operational purchasing process and ensure that purchase orders run smoothly from request to clarification., Review, complete, and convert purchase requisitions (PRs) into purchase orders (POs) in SAP S/4HANA., Create, send, and document purchase orders and consistently track them throughout the document flow., Obtain order confirmations, review them carefully, and proactively clarify deviations (quantity/date/price)., Monitor delivery dates, send targeted reminders, and escalate when needed in alignment with internal stakeholders., Support goods receipts as well as invoice and clarification cases (e.g., price/quantity variances) and actively drive solutions through to completion., Support procurement across all categories (Direct & Indirect Procurement) – from production/plant-related requirements to indirect spend (e.g., MRO/spare parts, services, investment-related purchasing – depending on demand)., Ensure data quality and collaboration by maintaining master and transactional data, communicating professionally with internal and external stakeholders, and handling complaints/returns including follow-up and documentation.