E-invoicing Global Process Lead

Mars, Incorporated; 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

Job Description

E-Invoicing Operations

• 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.

Customer Onboarding & Relationship Management

• 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.

Leadership & Governance

• 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.

Process Improvement & Digital Transformation

• 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.

Reporting & Performance Management

• 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.

Job Specifications/Qualifications

1. Education & Professional Qualification

• 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.

2. Knowledge/Experience

• Strong knowledge of end-to-end Order-to-Cash (O2C) processes, including order management, billing, EDI, e-invoicing, cash application, and dispute management.
• Proven experience in billing operations, e-invoicing, and EDI transaction management within a multinational and shared services environment.
• Good understanding of electronic invoicing regulations, tax compliance requirements, and digital reporting mandates across multiple countries.
• Experience managing customer onboarding for E-Invoicing and EDI, including coordination of testing, go-live activities, and post-implementation support.
• Knowledge of EDI business processes and transaction flows impacting order processing, invoicing and payment activities.
• Strong understanding of ERP systems, preferably SAP, and their integration with billing, e-invoicing, and customer transaction processes.
• Demonstrated experience in managing complex customer relationships and acting as the primary escalation point for billing and electronic transaction issues.
• Proven ability to analyze operational performance, identify process gaps, and implement sustainable improvements.
• Experience leading cross-functional projects and collaborating with the Projects team, Customer Service, Finance, Tax, Master Data, and IT teams.
• Strong analytical, problem-solving, and stakeholder management skills.
• Experience defining and monitoring KPIs, SLAs, and operational controls to drive service excellence and compliance.
• Knowledge of continuous improvement methodologies and process standardization practices.

What can you expect from us?

• Contract of employment.
• Car or car allowance.
• Attractive financial conditions with Business Bonus and Christmas Bonus.
• We will also look after your safety and well-being by offering you rich benefits package including life insurance, private medical care, Employee Assistance Program fully covered by Mars, MultiBenefit Program.
• Subsidized meals.
• Extra savings scheme to support You in long perspective.
• Support in career building through personalized development plan.
• Online & onsite shop with attractive discounts on our products that Your family and friend are going to love.
• Possibility to participate in volunteering initiatives during working hours.
• A modern and pet friendly office in the Warsaw City Centre.

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