Senior SAP Technical-Functional Consultant – ABAP OO

What you will do

You will join the Business Solutions department within the Build & Transform team, responsible for analysing, preparing and executing IT projects. The department develops and maintains a range of internal IT solutions including SAP, document management systems, and other business applications.

Your main focus will be the EXODUS project, working on three key areas: WCM, social security reporting, and maintenance orders. In parallel, you will manage the migration from Documentum to OpenText, ensuring that the SAP integration continues to work seamlessly.

Your responsibilities include:

• Analyse business requirements with key users and translate them into functional and technical specifications
• Design and develop SAP solutions using ABAP object-oriented programming: BAdI, user exits, enhancement framework, ALV, Adobe Forms and Smartforms
• Design, adapt and maintain SAP Business Workflow solutions
• Develop and ensure reliability of interfaces (RFC, BAPI, IDoc, web services), including exchanges with external organisations such as social security institutions
• Develop applications and adaptations for maintenance orders (SAP PM): Webdynpro ABAP, POWL, Fiori
• Replace the SAP-Documentum bridge with SAP-OpenText: inventory existing integrations (content repositories, document types, ArchiveLink connections, GOS attachments, specific developments calling Documentum); configure new OpenText repositories in SAP and adapt document types and links; adapt or replace specific developments that depend on Documentum; ensure the migration of links between SAP objects and migrated documents, in coordination with the OpenText migration team; organise non-regression testing (consultation, archiving, workflows) and prepare the cutover
• Adapt roles and authorisation objects related to the developments
• Favour standard functionality and limit custom code, with a view to the future migration to SAP S/4HANA
• Write test scenarios, prepare test data and support user acceptance testing
• Document deliverables and transfer knowledge to the Run team

You will work closely with the project manager, business teams, the OpenText team and internal IT teams.

What we are looking for

Essential experience and skills:

• At least 10 years of experience in SAP development, ideally in a technical-functional role
• Very strong command of ABAP OO and SAP Business Workflow
• Proven experience with SAP ArchiveLink and SAP-OpenText integration
• Proven experience with SAP interfaces (RFC, BAPI, IDoc, web services)
• Good functional knowledge of SAP MM, FI and/or PM
• Experience with SAP S/4HANA
• Autonomy, rigour and good communication skills with business stakeholders
• Fluent in Dutch or French; English is a plus

Assets:

• SAP ABAP certification
• Experience with migration from Documentum or another document management system to OpenText
• Knowledge of Documentum (Archive Services / Content Services for SAP)
• Knowledge of social security reporting exchanges or SAP HR
• Experience in the public transport sector

The setting

This assignment runs for two months, starting as soon as possible and ending on 31 December 2026. The work mode is hybrid, with presence on site in Brussels two to three times per week.

Deliverables expected:

• Inventory of SAP-Documentum integrations
• Functional and technical specifications
• Configuration and developments, documented
• Test plan and reports, including document non-regression testing
• Cutover plan and handover documentation for the Run team

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team. If you join as an employee, your employment continues beyond this assignment. When it ends, we’ll work together to find your next assignment.

Location: Brussels, hybrid

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): November 24, 2026 at 1:00 AM

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: More than 10 years or more

Education: Bachelor's or more