Senior System Administrator

Victrix Legion is seeking an experienced Systems/IT Administrator for NATO on-premises infrastructure in Belgium. You will manage a mixed-OS environment, focusing on RHEL administration and Windows AD, with automation via scripting and Ansible.Candidates should have 7+ years of experience, strong networking knowledge, and familiarity with virtualization and...

Vector Synergy is seeking a skilled Senior Systems Administrator based in Brussels. The ideal candidate will have at least 6 years of experience with both Microsoft Windows and Linux platforms, as well as relevant Microsoft Certifications.This role demands strong troubleshooting abilities under pressure and requires a Security Clearance at NATO Secret level....

ActioNet is seeking a System Administrator with an Active Secret Clearance to support enterprise IT operations. The selected candidate will provide on‑site end‑user support and maintain system infrastructure in a secure environment. Locations: Germany, Belgium, Netherlands, Italy, Spain, Turkey, Bahrain, France, Greece Security Clearance: Secret (US...

Are you ready to shape the future technological landscape in Europe? We are dedicated to responsible digitalisation, building innovative, inclusive solutions that drive meaningful impact. With over 8,900 professionals across Europe, we help EU institutions, public and private organisations thrive in a rapidly evolving digital world. Take a look at some of...

Bachelor's degree in IT, Computer Science, or equivalent hands-on experience7+ years of experience as a Systems/IT Administrator in a mixed-OS environmentStrong hands-on expertise in Red Hat Enterprise Linux (RHEL) administration — requiredWorking knowledge of Windows Server administration and Active DirectoryProficiency in scripting (Bash, Python, or...

You will join a dynamic team responsible for the administration, implementation, and operational management of large-scale web platforms and supporting applications. You will contribute to the stability, security, and continuous improvement of multilingual web environments used by a major European Institution. Working closely with infrastructure, cloud,...

You will join a dynamic team responsible for the administration, implementation, and operational management of large-scale web platforms and supporting applications. You will contribute to the stability, security, and continuous improvement of multilingual web environments used by a major European Institution.Working closely with infrastructure, cloud,...

Cronos Europa in Brussels is looking for a System Administrator/DevOps Engineer to manage large-scale web platforms and supporting applications. You will work with infrastructure, cloud, DevOps, and security teams to ensure high availability, security, and performance across multilingual environments.You will configure and maintain web environments, deploy...

Location: Brussels (3 days on-site, 2 days remote) Contract Type: Freelance/B2B or Employee - you decide! You will need a minimum of 6 years of experience in the domain. Education: Secondary School Profile: European Passport holder Endpoint Administrator Ensures the alignment of the endpoints and management infrastructure to meet the organisation’s...