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.
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Skills Required
- 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 knowledge of end-to-end Order-to-Cash processes including billing, EDI, e-invoicing, cash application, and dispute management
- Proven experience in billing operations, e-invoicing, and EDI transaction management within multinational/shared services environments
- Good understanding of electronic invoicing regulations, tax compliance requirements, and digital reporting mandates across multiple countries
- Experience coordinating testing, go-live activities, and post-implementation support for E-Invoicing and EDI customer onboarding
- Knowledge of EDI business processes and transaction flows impacting order processing, invoicing and payment
- Strong understanding of ERP systems and their integration with billing and e-invoicing processes
- Experience with SAP
- Demonstrated experience managing complex customer relationships and acting as primary escalation point for billing/electronic transaction issues
- Proven ability to analyze operational performance, define and monitor KPIs and SLAs, and implement sustainable improvements
- Experience leading cross-functional projects and collaborating with Projects, Customer Service, Finance, Tax, Master Data, and IT teams
- Strong stakeholder management, communication, analytical and problem-solving skills
- Knowledge of continuous improvement methodologies and process standardization practices
Mars Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Mars and has not been reviewed or approved by Mars.
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Healthcare Strength — The benefits package is positioned as comprehensive, with broad medical coverage and additional protections like life insurance and short- and long-term disability. Mental health support is emphasized, including free mental health services and wellbeing programming under initiatives such as Mars Be Well.
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Parental & Family Support — Paid parental leave is highlighted as market-leading in the U.S., with an example of 18 weeks fully paid for both parents. Additional family-related leave types such as sick time for caregiving and bereavement leave are also described as part of the overall package.
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Retirement Support — Retirement offerings are described as strong, including 401(k) matching (with a 6% match cited) and pension plans in some cases. The broader package also references retirement savings options and contributions aligned to local market practice, supporting long-term financial security.
Mars Insights
What We Do
For more than a century, Mars, Incorporated has been driven by the belief that the world we want tomorrow starts with how we do business today. This idea is at the center of who we have always been as a global, family-owned business. Today, Mars is transforming, innovating and evolving in ways that affirm our commitment to making a positive impact on the world around us. Across our diverse and expanding portfolio of confectionery, food, and petcare products and services, we employ 133,000 dedicated Associates who are all moving in the same direction: forward. With $40 billion in annual sales, we produce some of the world’s best-loved brands including DOVE®, EXTRA®, M&M’s®, MILKY WAY®, SNICKERS®, TWIX®, ORBIT®, PEDIGREE®, ROYAL CANIN®, SKITTLES®, WHISKAS®, COCOAVIA®, and 5™; and take care of half of the world’s pets through our pet health services AniCura, Banfield Pet Hospitals™, BluePearl®, Linnaeus, Pet Partners™, and VCA™. We know we can only be truly successful if our partners and the communities in which we operate prosper as well. The Mars Five Principles – Quality, Responsibility, Mutuality, Efficiency and Freedom – inspire our Associates to take action every day to help create a world tomorrow in which the planet, its people and pets can thrive.
