Marcin Sojka

Summary

Senior SAP Consultant with 19 years of experience specializing in SAP MM and P2P processes. Proven track record in large-scale rollouts, system mergers, and S/4HANA upgrades.

Focused on optimizing procurement flows, coordinating cross-functional technical teams (ABAP, FI, PM), and delivering robust enterprise solutions in fast-paced environments.

Experience

Bosch Polska | Warsaw, Poland
May 2023 - Present
Senior SAP Consultant
  • Provide ongoing functional support for SAP MM processes, including troubleshooting, incident management, and process optimisation.
  • Design and deliver custom ABAP-aligned developments meeting business requirements not covered by standard SAP functionality.
  • Support and maintain Self-Billing (ERS) and Consignment Self-Billing solutions across both R/3 and S/4HANA landscapes.
  • Participate in cyclical system upgrades and transport management activities ensuring landscape stability.
  • Act as a Mentor within the company's Personal Development Journey programme — coaching and formally assessing colleagues' knowledge and competencies in the SAP MM domain.
ArcelorMittal | Dąbrowa Górnicza, Poland
SAP P2P Team Leader
Apr 2022 - May 2023
  • Led the technical upgrade from SAP HANA 1809 to 2020.
  • Coordinated developments with business stakeholders and cross-functional teams (ABAP, FI, PM, external systems).
  • Scheduled development releases and tracked incident resolution via ServiceNow.
  • Planned and executed Unit tests, UATs, and non-regression tests for the HANA upgrade.
  • Mentored junior team members and aligned team objectives.
Senior SAP Consultant
Jan 2020 - Dec 2022
  • Support of existing P2P processes in SAP
  • Designing new business requirements and preparing custom processes
  • Creation of new interfaces, IDOC generation based on change pointers
  • Workflow support (standard and custom), SQVI / SAP Query reporting, SE16H reporting
Senior SAP Consultant
Jan 2017 - Feb 2022
  • Implementation of SAP rollout for European plant & Upgrade to S4HANA 1809.
  • Prepared functional designs and managed change requests/documents in SAP Solution Manager (SOLMAN).
  • Collaborated with ABAP developers to design and deliver custom functionalities.
  • Aligned configurations between project and support landscapes, and authored UAT scenarios.
  • Supported interfaces for material (MDG/MDM) and vendor data systems.
  • Integration with Ivalua: Prepared interfaces for synchronization of material and service master data.
SAP Consultant
Sep 2015 - Jan 2017
  • Implementation of new SAP HANA system for 2 pilot European countries
  • SAP merger blueprint of ArcelorMittal’s SAP systems located in Europe
  • Design of common MM processes for pilots in SAP system merger & conducted workshops
ArcelorMittal Poland | Dąbrowa Górnicza, Poland
SAP Consultant
Jan 2011 - Sep 2015
  • Support of MM, PM, FM processes; debugging programs to find root cause of issues
  • Monitoring and creation of new interfaces (IDOC, EDI)
  • Implementation of custom functionalities, preparation of functional specs for ABAP programmers
  • Projects: Upgrade from SAP 4.7 to ECC 6.0, Merger of 2 SAP systems (PL and CZ), SUPON Interface creation
End User Support Specialist
Jan 2009 - Dec 2010
Huta Królewska Sp. z o. o. | Chorzów, Poland
Jun 2006 - Dec 2008
IT Specialist / SAP MM Key User
  • Member of the SAP implementation team representing the business side (Purchasing/MM).
  • Responsible for defining and mapping core purchasing processes in the new system.
  • Prepared training documentation, manuals, and conducted workshops for Key Users.
  • Led data preparation, cleansing, and validation for successful migration to SAP.

Education

Uniwersytet WSB Merito Chorzów
Mar 2025 - Feb 2026
Postgraduate, Software Engineering for SAP S/4HANA & ABAP Programming
Final grade: 5.0 / 5.0
Uniwersytet WSB Merito Chorzów
Engineer (Inż.), Cloud Developer
Final grade: 5.0 / 5.0
Politechnika Śląska

Courses / Training

  • Accessing SAP Data using SAP Work Manager (MOB310) | ArcelorMittal Poland
  • Dedicated training - Difference between FI-FM 4.7 and 6.0 | ArcelorMittal Poland
  • Dedicated training - Difference between MM 4.7 and 6.0 | ArcelorMittal Poland
  • Dedicated training - Difference between PM 4.7 and 6.0 | ArcelorMittal Poland
  • Maintenance and Service Processing Preventive (PLM310) | ArcelorMittal Poland
  • SAP Business Workflow - Build and Use (BIT601) | ArcelorMittal Poland
  • SAP HANA - Introduction (HA100) | ArcelorMittal Poland
  • SAP Inventory Management - Customizing and development | ArcelorMittal Poland
  • SAP Inventory Management - Installation | ArcelorMittal Poland
  • Transportation (SCM611) | ArcelorMittal Poland

Languages

  • Polish: Native or Bilingual
  • English: Professional Working Proficiency
  • German: Limited Working Proficiency

Technical Skills

  • SAP: MM, PM, FM, S/4HANA, Solution Manager (SOLMAN), SAP Query, SQVI, SE16H, IDOCs, EDI, Workflow, LSMW, SHDB
  • Programming: ABAP (functional specs & debugging), Python, C#, VBA
  • Integration: MDG/MDM, Ivalua, IDOCs, EDOC, XML, ServiceNow
  • Other: Azure, Git, REST APIs
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