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Mars UK • POL-Mazowieckie-Warsaw | Poland

E-invoicing Global Process Lead

Employment type:  Full time
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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.

Apply now and upload your profile in English.

#TBdigital

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Open to part-time employees
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Open to compressed hours
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Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
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Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles
Menopause support
On-site gym
On-site barista
Secure on-site parking
On-site catering
Private booths
On-site wellness room
Collaboration spaces

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1st - Most Family Friendly Company

1st - Most Family Friendly Company

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2nd – Pet Friendly

2nd – Pet Friendly

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Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Most Inclusive Company

Top 5 - Most Inclusive Company

Flexa awards 2025
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
Best Workplace Benefits

Best Workplace Benefits

Flexa awards 2025
1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022
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