E-Invoicing Specialist - 3+ Months - Mostly Remote - ASAP

For our international client, we are looking for an experienced E-Invoicing Support Specialist. Your main task is to investigate, resolve, and coordinate the correction of incoming and outgoing e-invoicing issues, ensuring compliant and successful invoice processing across the business landscape.
Tasks:

Resolve failed, rejected, duplicate, and incorrect e-invoices
Investigate XML, XRechnung, ZUGFeRD, and EN 16931 validation issues
Perform root cause analysis across SAP, mappings, interfaces, workflows, and master data
Coordinate fixes with Finance, technical teams, suppliers, and customers
Reprocess invoices and validate successful processing
Document issues, resolutions, and support O2C invoice-related incidents

Requirements:

Deep understanding of Rossum and ideally also COUPA
Strong experience in E-Invoicing, Application Support, or Invoice Processing
Strong knowledge of XML invoicing, XRechnung, ZUGFeRD, and EN 16931
Deep understanding in invoices, to understand the Business side and errors which are potentially created
Desirable: SAP experience (Finance, Invoice Management, or Integration)
Strong troubleshooting, incident management, and communication skills

Project Details:

Start: ASAP
Duration: 3 months (extension possible)
Workload: 5 days/week
Location: Mostly remote
Language: English

Interviews can be arranged at short notice with an immediate decision thereafter.