System Administration Jobs in Belgium

Senior Network Specialist Location: Schaerbeek Belgium (Hybrid) Start Date: 1 August 2026 Contract End: 31 January 2027 Application Closing Date: 3 July 2026 About the Role We are seeking an experienced Senior Network Specialist to join the IT Operations team of a public sector organisation respons...

Bring more to life.Are you ready to accelerate your potential and make a real difference within life sciences diagnostics and biotechnologyAt Integrated DNA Technologies (IDT) one of Danahers 15 operating companies our work saves livesand were all united by a shared commitment to innovate for tangib...

PostgreSQL Database Administrator / Backend Engineer We are seeking an experienced PostgreSQL Database Administrator to support a large-scale biometric identification platform and contribute to the modernization of critical IT systems. The role combines database administration backend development an...

PostgreSQL Database Administrator / Backend Engineer We are seeking an experienced PostgreSQL Database Administrator to support a large-scale biometric identification platform and contribute to the modernization of critical IT systems. The role combines database administration backend development an...

About Cronos EuropaCronos Europa is a leading IT and digital transformation partner dedicated exclusively to European Institutions and agencies delivering missioncritical solutions that shape Europes digital future. As part of the Cronos Group one of the most innovative and fastestgrowing tech ecosy...

The Senior Infrastructure Engineer is responsible for the design implementation administration and continuous improvement of the companys IT infrastructure.This role ensures the availability security and performance of server and cloud environments supporting the operational needs of a telecom and n...

SAP Basis Consultant Role Overview We are seeking an experienced SAP Basis Consultant to support SAP system administration technical operations and environment management within a complex SAP landscape. The role focuses on ensuring system stability performance security and technical readiness for co...

Senior Linux System Administrator Location: Belgium (Hybrid) Start Date: June 2026 Contract Duration: Until December 2026 Language Requirement: Dutch (CEFR C2) Are you an experienced Linux professional with a passion for automation infrastructure management and continuous improvement We are looking...

Would you like to join the leading international intergovernmental organizationWe are seeking a MISP Platform Engineer & Cyber Threat Intelligence Specialist to join a multi-disciplinary team supporting the NATO Cyber Security Centre (NCSC). You will be part of a team responsible for the full lifecy...

Would you like to join the leading international intergovernmental organizationWe are seeking a MISP Platform Engineer & Cyber Threat Intelligence Specialist to join a multi-disciplinary team supporting the NATO Cyber Security Centre (NCSC). You will be part of a team responsible for the full lifecy...

Would you like to join the leading international intergovernmental organizationWe are seeking a MISP Platform Engineer & Cyber Threat Intelligence Specialist to join a multi-disciplinary team supporting the NATO Cyber Security Centre (NCSC). You will be part of a team responsible for the full lifecy...

Would you like to join the leading international intergovernmental organizationWe are seeking a MISP Platform Engineer & Cyber Threat Intelligence Specialist to join a multi-disciplinary team supporting the NATO Cyber Security Centre (NCSC). You will be part of a team responsible for the full lifecy...

NextLink Solutions is seeking a Sr. PostgreSQL Specialist for a 7-month contract to support a strategic large-scale database modernization initiative in Bruxelles Belgium. This role is central to the enterprises mission-critical transformation where PostgreSQL on Azure has been selected as the futur...

Senior System Administrator We are looking for a Senior System Administrator to support and modernize critical IT infrastructure within a highly secure and technically advanced environment. You will work in a multidisciplinary team responsible for maintaining reliable server environments virtualizat...

System Administrator Citrix Netscaler (Mid-Level) Brussels Belgium (Hybrid) Start Date: June 2026 Overview The Agency for Agriculture and Fisheries is looking for a Mid-Level Citrix Netscaler System Administrator to strengthen the IT Operations team within the Digitalization and Organization departm...

We are looking for a motivated Network / Security Specialist with a strong focus on networking to join our growing security team. You will work on impactful security projects including large-scale encryption networks helping customers design qualify build and operate secure infrastructures.You will...

Senior System Engineer (Linux Network Storage) Freelance Brussels Belgium Start: June 2026 Duration: Until December 2026 Full-time Hybrid About the Role We are looking for a Senior System Engineer to join the IT Operations team of a major public sector this role you will be responsible for th...

Junior Network Security Engineer (Freelance) Antwerp Belgium Start: May 2026 Duration: 612 months (extension possible) Full-time Hybrid About the Role We are looking for a Junior Network Security Engineer to strengthen a dedicated Security Engineering this role you will help safeguard and optimi...

Who we are:For more than 70 years NATOs mission has been to preserve peace and security in the Alliance for nearly one billion citizens. The NATO Communications and Information Agency (NCIA) and its predecessors have worked tirelessly in providing the means that enable the connectedness and together...

ICT Expert (Medior) Linux & Kubernetes Location: Flanders Belgium Start Date: May 2026 End Date: November 2026 Employment Type: Full-time (Hybrid) Contract Type: Framework Agreement () Currency: EUR About the Role We are seeking a Medior ICT Expert specializing in Linux and Kubernetes to support IT...