Job Description

S4/HANA Systems Specialist | Global Accounts Payable Transformation

This position serves as the SAP S4/HANA Technical Subject Matter Expert specifically for the Accounts Payable (AP) domain, encompassing digital e-invoicing solutions. You will be a cornerstone of the development and deployment phase of our worldwide S4/HANA infrastructure. The role requires a candidate with deep practical knowledge of the S4/HANA environment, alongside a history of implementing large-scale financial landscapes. You will be responsible for integrating cutting-edge SAP technological advancements into our existing system architecture and procedural frameworks.

What are we looking for?

Essential practical experience in the architectural design and construction of Accounts Payable modules, featuring e-invoicing, on the S4/HANA platform.
Proven background in executing significant S4/HANA rollouts within the AP financial sector.
Demonstrated history of leading international design and integration initiatives for S4/HANA Accounts Payable and e-invoicing systems.
Capability to perform complex configuration and technical development within the S4/HANA Accounts Payable environment.

What will be your key responsibilities?

S4 SAP Technical Leadership: Manage the creation, development, and execution of financial architectures that correspond to organizational needs and professional benchmarks.
Global Template Architecture: Partner with external consultants and integrated finance units to engineer a standardized S4/HANA template applicable across all Mars Inc. business entities.
Technical Specification Oversight: Evaluate, critique, and authorize all technical blueprints and documentation (including CRD, CSD, FSD, and FUT) to verify precision and best-practice alignment.
Validation and Troubleshooting: Direct the verification workflows by auditing test strategies and outcomes. Facilitate the correction of system errors and authorize fixes for final implementation.

Job Data Table

Category	Details
Company Name	Mars
Location	Warsaw, Poland
Locality	Warsaw
Country	Poland
City	Warsaw
Region	Masovian Voivodeship
Job Type	Full-time
Salaries	Industry-competitive + Company Bonus
Experience Level	Senior / Technical Expert
Travel	Not Specified
Language	English (Global Corporate Language)
Benefits	Mars University L&D, 5 Principles Culture, Competitive Package

Skills & Competency Table

Key Skill	Level
S4/HANA AP Configuration	Expert
SAP E-Invoicing Design	Expert
Technical Documentation (FSD/CSD)	Advanced
Global Template Deployment	Advanced
Defect Resolution & Testing	High

Salaries Pay Calculator Table

Annual Salary	Bonus	Total Compensation	Notes
Competitive Base	Performance Bonus	Base + Bonus + Benefits	Salary based on Warsaw market for Senior SAP roles

Job Summary

Mars is recruiting a Senior S4/HANA Finance Analyst in Warsaw to lead the global transformation of Accounts Payable and e-invoicing systems. You will drive technical design, manage global templates, and oversee documentation and testing. This role requires expert-level SAP configuration skills to deliver innovative financial solutions across Mars Inc.

FAQs

What is the core focus of this role?

The role focuses on the technical design, development, and deployment of Accounts Payable and e-invoicing solutions within the SAP S4/HANA ecosystem on a global scale.

What specific technical documents will I manage?

You will be responsible for signing off on CRD (Change Request Documents), CSD (Conceptual System Design), FSD (Functional Specification Documents), and FUT (Functional Unit Testing).

Is previous SAP experience mandatory?

Yes, hands-on experience in S4/HANA AP design, configuration, and large-scale deployment is an essential requirement for this position.

What is the “Mars University”?

It is an in-house learning and development platform provided by Mars to offer best-in-class training and career growth support for all Associates.

Does this role involve working with external partners?

Yes, you will collaborate closely with third-party partners and cross-functional “edge” teams to build a shared global template for the business.

Expert Analysis

This role is critical for Mars as they shift from legacy systems to a unified S4/HANA digital core. The focus on e-invoicing is particularly timely, given the increasing global mandates for digital tax compliance. As a Senior Analyst, your ability to standardize “Shared Templates” is the key to reducing operational complexity across their diverse global portfolio.

Location & Logistics Guide

Warsaw is a major European hub for SAP talent and financial shared services. The Mars office in Warsaw offers access to a diverse, multi-cultural workforce. Strategically located in Central Europe, it serves as a perfect base for managing global digital transformation projects across different time zones.

https://en.wikipedia.org/wiki/Warsaw

Career Path

A Senior Analyst in S4/HANA transformation typically moves into S4/HANA Solution Architecture or Global Finance Process Leadership. Given the scale of Mars, successful deployment experience can lead to Director-level roles in Digital Transformation or specialized ERP Strategy positions, overseeing broader financial modules like Order-to-Cash or Treasury.

To apply for this job please visit careers.mars.com.