Senior System Engineer (SAP integrations) - Brussels - ASAP Start - Freelance/CDI

Site: Brussels 1000
Hybrid: 3 days on site / 2 days teleworking
Start Date: Preferred 05/01/2026

About the Company

This organization is the operator of the gas and electricity networks in Brussels, employing around 1,000 people to ensure the energy supply for 500,000 homes and businesses. The company is a driving force behind the energy transition and is committed to improving quality of life in the capital.

Context

The Digital Business Solutions (DBS) department supports all business activities, ensuring the company is equipped with autonomous and evolving IT solutions. Within DBS, the IT Production department manages infrastructure and operates the systems and applications supporting the information system. The IT Exploitation team focuses on the technical layer of applications, with SAP platforms (ECC/ISU, SAP HR) being critical to business operations.

Role Overview

As a System Engineer – SAP Basis, you will join the IT Exploitation team, responsible for SAP Basis Components (SAP BC) and their operations. You will support and administer SAP solutions, ensuring reliability, performance, and continuous improvement of the SAP landscape.

Key Responsibilities

• Design, build, configure, and test SAP application configurations and parameterizations.
• Participate in project meetings and provide technical support.
• Analyze project needs and propose effective solutions.
• Implement SAP system refreshes, system/client copies, exports/imports.
• Install and configure SAP systems, components, and plug-ins.
• Configure integrations (IDOC, Web Services), interface monitoring.
• Set up batch jobs, housekeeping jobs, backups/restores, and high-availability setups.
• Monitor and archive technical objects and temporary data.
• Update technical components in line with support deadlines.
• Configure Solution Manager for centralized SAP management.
• Perform root cause analysis for technical and performance issues.
• Initiate tracking and tracing for error resolution and improvements.
• Support SAP Basis configuration and best practices in projects.
• Document configuration changes and operational instructions.
• Set up logging, log management, and operational monitoring.
• Configure application monitoring for exceptions and technical alerts.
• Train operators in operations, monitoring, troubleshooting, and optimization.
• Deploy new application versions and support project teams and users.
• Report on work progress, document and report events.
• Participate in and execute operational testing of applications and integrations.
• Provide technical administration and maintenance throughout the application lifecycle.
• Participate in 2nd line support for IT event & incident management.
• Support IT problem management and change assessment processes.
• Stay updated on SAP technology standards, developments, and innovations.
• Share knowledge and experience openly with colleagues.

Required Skills & Qualifications

• Fluent in one of the national languages (Dutch or French) with passive knowledge of the other (minimum B1).
• Good level of English.
• Proven experience in SAP Roles and Authorizations management (minimum 5 years, medior level).
• Proven experience in SAP Basis Administration (minimum 5 years, medior level).

Preferred Skills

• Higher degree (Bachelor or Master).
• Knowledge of SAP HANA databases.
• Minimum ITIL V3 Foundation certification (V4 preferred).

All your information will be kept confidential according to EEO guidelines.