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Mars

S2P Payments and Travel & Expenses SME f/m/x

Location:  GSW-Mars Global Services | Poland
Location flexibility:  1 office day / week, 2 office days / week, 3 office days / week, 4 office days / week
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Job Description

Job Description:

S2P Payments and Travel & Expenses SME f/m/x

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

#KC1

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Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

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