About this role
Job Description:
S2P Invoice Processing (non-VIM) SME f/m/x Location: Warsaw Hybrid working
* Fully virtual recruitment experience *
Are you an experienced Invoice Processing professional who enjoys driving change rather than operating established processes? This is a unique opportunity to become part of Mars' Digital Core Program, helping shape the future global Invoice-to-Pay landscape across multiple markets and business segments. As an S2P Invoice Processing (Non-VIM) SME, you will play a key role in designing and implementing future-fit invoice processing solutions, ensuring global standardization while addressing regional and segment-specific needs. Working closely with international stakeholders, Digital Transformation teams, Finance Operations, Tax, and Source-to-Pay experts, you will contribute to large-scale system and process transformation initiatives that will impact Mars globally. This is a highly dynamic project environment where adaptability, stakeholder management, and the ability to navigate ambiguity are essential.
What would be your key responsibilities? Process Design & Transformation
• Use your invoice processing expertise and Mars network to identify key business scenarios across the non-VIM invoice processing landscape. • Contribute to the design and evolution of global non-VIM invoice processing processes and support detailed business workshops. • Participate in global design sessions, solution reviews, and process validation activities. • Support key design decisions and help shape the future operating model. • Contribute to Proof of Concepts (PoCs) and future-state process development. • Ensure process documentation is accurate, complete, and aligned with agreed designs. • Identify and support testing scenarios and test execution activities. Change & Deployment Support
• Conduct change impact assessments and provide input into training needs analysis. • Support global and regional deployments of invoice processing solutions. • Help ensure business readiness across markets and segments. • Collaborate with data teams to ensure data accuracy and relevance across Invoice-to-Pay processes. Country Validation & Stakeholder Engagement
• Participate in country validation activities to ensure the global template supports local business and regulatory requirements. • Work closely with stakeholders across Finance, Procurement, Tax, Digital Transformation, and Shared Service teams. • Ensure documentation, change impacts, and design decisions reflect country validation outcomes. Project Delivery
• Manage assigned deliverables according to agreed timelines and quality standards. • Proactively identify risks, challenges, and dependencies, escalating where appropriate. • Support continuous alignment between project activities and existing business operations.
What are we looking for?
• Minimum 5 years of experience in Invoice Processing, Accounts Payable, P2P, S2P, or related Finance Operations processes within an international environment. • Strong understanding of invoice processing tools, standards, controls, and end-to-end processes. • Working knowledge of ERP (ideally SAP, not necessarily S/4) • Good exposure to P2P and connected technologies like SAP Ariba, OneSource and workflow technologies like VIM required. • Experience working in transformation programs, process improvement initiatives, or large-scale business change projects. • Ability to work independently while effectively collaborating with cross-functional and global teams. • Strong stakeholder management and communication skills. • Demonstrated ability to manage ambiguity, adapt quickly, and solve complex process challenges. • University degree in Finance, Procurement, Supply Chain, Business, or related field. • Good exposure to P2P and connected technologies like SAP Ariba, SAP, OneSource and workflow technologies like VIM required. Knowledge of e-Invoicing regulations and their impact on Invoice-to-Pay processes. • Exposure to digital technologies, automation, RPA, and AI-enabled process solutions. • Fluent English
What can you expect from Mars?
• Permanent contract of employment as from the start. • Attractive financial conditions including Bonuses. • We will also look after your safety and well-being by offering you rich benefits package including life insurance, Employee Assistance Program fully covered by Mars, and private medical care, MultiBenefit Program and lunch card. • Extra savings scheme to support You in long perspective. • Support in career building through personalized development plan. • On-line 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 City Center (Zlote Tarasy building). Apply now and upload you profile in English #KC1