We are looking for a Vertex Technical Consultant / Integration Specialist with expertise in Vertex O Series, Vertex Accelerator, Vertex PLUS Tools, and SAP ECC/SAP S/4HANA integrations for a 6-month remote contract in India. Must Haves: 7 years of hands-on Vertex O Series experience. 5 years integrating Vertex with SAP ECC/S/4HANA. Hands-on experience with Vertex O Series, Vertex Accelerator, and Vertex PLUS Tools. Strong experience with Goods Movement, VendorRecon, FlexRFC (AR/AP), FlexTax, FLUX Builder, and Exemption Management. Strong understanding of Canada indirect tax including GST, HST, PST, and QST. Ability to troubleshoot Vertex payloads, schema requests, tax calls, and reconciliation logic.