Global E-Invoicing Operations Lead

Mars; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Car allowance

Private medical care

Life insurance

Employee Assistance Program

Meal subsidies

Discounts on Mars products

Volunteering opportunities

Pet friendly office

Job summary

Mars is seeking a senior E-invoicing Operations Lead in Warsaw to drive end-to-end e-invoicing across multiple countries and platforms. You will ensure compliant, timely invoice generation and oversee validation, submission, and acknowledgments, while managing cross-functional onboarding and governance across global teams.

You will lead automation efforts to reduce failures, optimize billing processes, and monitor KPIs.

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 end-to-end e-invoicing 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 acknowledgement 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 connectivity and testing.
• Act as escalation point for key customer invoicing issues.
• Partner with EDI Technical team and customer service teams to support integrations.
• Provide guidance and support to billing and e-invoicing team members.
• Establish operational controls and governance for 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 and processing times.
• 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

O2C processes

E-invoicing

Stakeholder management

Problem solving

Cross-functional collaboration

Analytics

Education

Bachelor's degree in Finance/Accounting/Business

Tools

SAP

EDI

Job description

Mars is seeking a senior E-invoicing Operations Lead in Warsaw to drive end-to-end e-invoicing across multiple countries and platforms. You will ensure compliant, timely invoice generation and oversee validation, submission, and acknowledgments, while managing cross-functional onboarding and governance across global teams.

You will lead automation efforts to reduce failures, optimize billing processes, and monitor KPIs.