Senior Linux System Engineer - Network & Storage
Brussels-Capital
Digital - Infrastructure
Bachelor
Work experience: 5-7
Reference number: 90444
We’re looking for a Senior System Engineer with strong expertise in Linux system administration, complemented by solid experience in network and storage technologies.
You’ll join a multidisciplinary infrastructure team responsible for maintaining and evolving a complex IT landscape supporting large-scale public applications. The environment includes SUSE Linux Enterprise Server, reverse proxies, PKI, and a mix of on-premise and cloud infrastructure (Azure, OVH).
What You’ll Do
- Maintain and optimize Linux server infrastructure (SUSE Linux Enterprise Server).
- Configure and manage reverse proxies, Apache web servers, and PKI certificates.
- Develop and maintain Bash shell scripts for automation and system management.
- Collaborate within the LUNS team (Linux, Network & Storage) to ensure stability and performance.
- Support pilot projects in Azure and OVH public cloud environments.
- Troubleshoot issues across servers, storage systems, and network components.
- Ensure systems meet security, reliability, and performance requirements.
What are we looking for?
Must-Have Skills
- Linux system administration (SUSE Linux Enterprise Server) – 5+ years
- Bash shell scripting – 5+ years
- Reverse proxying, Apache, PKI – 5+ years
- System engineering background – proven experience in setup, configuration, and maintenance
- Dutch (C2) – mandatory
Experience with one or more of the following is a plus:
- Containerization: Docker, Docker Compose, Kubernetes
- Configuration management: Ansible
- Monitoring: Nagios
- Logging: ELK Stack (Elasticsearch, Logstash, Kibana)
- Application servers: Wildfly / JBoss
- Source control & quality: Git, SonarQube
- Virtualization: VMware ESX (usage, not administration)
- Networking: Barracuda ADC, F5, HAProxy, Cisco (switching/routing/firewalls, ACI)
- Storage systems: NetApp FAS, HPE 3PAR, Fibre Channel, HPE StoreOnce
- Cloud: Microsoft Azure, OpenStack
What do we offer?
Location: Brussels (Hybrid)
Start: 17 November 2025
End: 31 May 2026
Workload: 100% (?1040h)
Contract: Freelance or Permanent
Language: Dutch (C2)