E-invoicing Global Process 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

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.
• On-line & On-site 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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