- Location: GSW-Mars Global Services
- Location: Warsaw
- Hybrid working
- Fully virtual recruitment experience *
Join Financial Operations team and help shape the future of global payment processes at Mars. As a S2P Payments and Travel & Expenses SME, you will play a key role in the Digital Core transformation program, supporting the design and deployment of future-fit payment reimbursement processes across our global organization. Working with Treasury, Procurement, and Digital Technologies, you will help standardize and optimize how vendor payments and Travel & Expense (T&E) reimbursements are processed. Your expertise will ensure that our global solutions are scalable, automated, and aligned with business needs across different segments and markets.
What would be your key responsibilities?
Act as the Subject Matter Expert for vendor payments and T&E reimbursement processes within the Source-to-Pay (S2P) transformation program.
Support the design, standardization, and optimization of global payment and reimbursement processes.
Partner closely with Treasury, Finance Operations, Digital Technologies, Controllership, and regional stakeholders to ensure solutions meet business requirements.
Participate in global design workshops, process reviews, testing activities, and country validation sessions.
Help define future-state processes, identify improvement opportunities, and drive automation initiatives.
Support change management, training needs assessments, and documentation activities.
Ensure global process consistency while addressing country-specific requirements.
Contribute to deployment activities and continuous improvement efforts as new capabilities are rolled out globally.
What are we looking for?
5+ years of experience in Accounts Payable, Payments, or Finance Operations, ideally within a global FMCG/CPG organization.
Deep understanding of end-to-end Accounts Payable processes (invoice intake → validation → payment → reconciliation) and T&E reimbursement processes.
Strong knowledge of payment methods (BACS, SEPA, CHAPS, SWIFT, Faster Payments, checks, virtual cards) and payment file formats.
Experience managing payment runs, scheduling, and approvals.
Understanding of multi-currency payments and FX implications.
Working knowledge of ERP- ideally SAP. Connected technologies like SAP Ariba, SAP, OneSource and workflow technologies like VIM are nice to have.
Understanding of finance and commercial controls.
Prior involvement in transformational program or enterprise-wide change initiatives.
Fluent English.
University degree in any discipline (preferably in Finance, procurement, supply chain) preferred.
Lean six sigma certification is a plus.
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
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Job description provided by Mars, Incorporated.
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