Global E-Invoicing & O2C Operations Lead

mars; Polska; On-site; PLN 300,000 - 420,000; Full time

Benefits offered by this job

Car or car allowance

Life insurance

Private medical care

Employee Assistance Program

Subsidized meals

Volunteering opportunities

Pet-friendly office

Job summary

Mars is seeking a leader to oversee end-to-end e-invoicing, billing, and O2C processes from our Warsaw office. The role spans multi-country coordination, onboarding, and continuous improvement of e-invoicing and EDI interactions.

The ideal candidate will drive automation, ensure regulatory compliance, and partner with IT, ERP teams, and service units to optimize performance and customer satisfaction.

Qualifications

• Bachelor's Degree in Finance, Accounting, Business Administration, Supply Chain, or related discipline.
• Significant experience in Billing, Order-to-Cash, Accounts Receivable, E-Invoicing, or EDI operations.
• Experience leading customer onboarding and process improvement initiatives.
• Strong understanding of Order-to-Cash processes and customer electronic transaction requirements.
• Excellent stakeholder management, communication, and problem-solving skills.
• Experience working with multinational customers and cross-functional teams.

Responsibilities

• Lead the end-to-end e-invoicing process across multiple countries, customers, and platforms.
• Ensure timely, accurate, and compliant invoice generation and transmission.
• Monitor invoice delivery performance and resolve failed or rejected invoices.
• Oversee e-invoice validation, submission, and acknowledgment processes.
• Manage compliance with local tax, legal, and e-invoicing regulations.
• Lead customer onboarding and implementation of e-invoicing requirements.
• Collaborate with E-invoicing project team to establish e-invoicing connectivity and testing.
• Act as escalation point for key customer invoicing issues.
• Partner with EDI Technical team and customer service teams to support successful customer integrations.
• Provide guidance and support to billing and e-invoicing team members.
• Establish operational controls and governance to ensure billing accuracy and compliance.
• Drive standardization and adherence to global billing policies and procedures.
• Support audits and compliance reviews.
• Identify and implement automation opportunities within billing and e-invoicing processes.
• Lead continuous improvement initiatives to reduce invoice failures, processing times, and manual interventions.
• Collaborate with IT, ERP, and third-party providers to enhance system capabilities.
• Support implementation of new e-invoicing regulations, platforms, and technologies.
• Monitor and report key operational metrics and KPIs.
• Analyze invoice rejection trends and develop corrective action plans.
• Provide regular updates to management on billing performance and compliance status.
• Track customer adoption and e-invoicing effectiveness.

Skills

Billing operations

O2C processes

Stakeholder management

Process improvement

Cross-functional collaboration

Education

Bachelor's Degree in Finance/Accounting/Business

Tools

SAP

EDI

Job description

Mars is seeking a leader to oversee end-to-end e-invoicing, billing, and O2C processes from our Warsaw office. The role spans multi-country coordination, onboarding, and continuous improvement of e-invoicing and EDI interactions.

The ideal candidate will drive automation, ensure regulatory compliance, and partner with IT, ERP teams, and service units to optimize performance and customer satisfaction.