SAP S/4HANA Invoice-to-Cash (I2C) Consultant

Project overview

About the Role

We are looking for an experienced SAP S/4HANA Invoice-to-Cash (I2C) Subject Matter Expert (SME) to support a global SAP S/4HANA rollout program.

You will play a key role in ensuring successful deployments across multiple regions by supporting testing, data migration, cutover activities, hypercare, and business readiness within the I2C process area.

This is a hands-on role working closely with project teams, business stakeholders, and operational users to drive successful implementation and adoption of SAP S/4HANA.

Responsibilities

• Support global SAP S/4HANA rollouts within the Invoice-to-Cash (I2C) domain.
• Collaborate with business and project teams during testing, validation, deployment, and hypercare activities.
• Facilitate and support User Acceptance Testing (UAT), integration testing, and defect management.
• Analyze and validate data migration activities and support data quality initiatives.
• Assist in cutover planning and execution to ensure smooth transitions to the new SAP environment.
• Work closely with implementation partners to investigate, manage, and resolve defects and system issues.
• Provide functional expertise within billing, collections, cash application, disputes management, and customer master data processes.
• Create and maintain testing documentation, test scripts, user guides, and process documentation.
• Train and support end users before and after go-live.
• Prepare reports and perform data analysis to support business decision-making and project activities.
• Identify opportunities for process improvements and increased efficiency within the I2C value stream.

Requirements

Personal Attributes:

• Strong experience working with SAP S/4HANA, preferably within transformation or implementation programs.
• In-depth knowledge of Invoice-to-Cash processes, including:
• Billing
• Collections Management
• Cash Application
• Dispute Management
• Customer Master Data
• Experience supporting SAP testing activities, including UAT and defect resolution.
• Experience with data migration, cutover planning, and hypercare support.
• Proven experience supporting global SAP rollouts.
• Strong stakeholder management and communication skills.
• Ability to work effectively in international and cross-functional teams.
• Fluent English communication skills, both written and verbal.
• Experience with Intercompany Billing processes.
• Previous SAP S/4HANA implementation experience.
• SAP certifications relevant to Finance, Order-to-Cash, or SAP S/4HANA.
• Experience with SAP reporting and data analysis tools.
• Experience delivering end-user training and knowledge transfer sessions.
• Strong analytical and problem-solving skills.
• Proactive and solution-oriented mindset.
• Ability to work independently and manage multiple priorities.
• Excellent collaboration and relationship-building capabilities.
• Comfortable working in a fast-paced global project environment.

Project details

• Start Date: January 2027
• Duration: 6 months initial contract with possibility for extensions
• Workload: Full-time
• Location: Working in a hybrid model with a minimum of 2 days per week from the office in Warsaw.
• Rate: up to 170-190 PLN/h net
• Start: flexible
• Duration: 7-9 months
• Remote: hybrid
• Location: Warsaw, Poland, PL
• Rate: 170-190 EUR/h
• Languages: English