Senior Systems & Network Admin – Mission-Critical IT Ops

ILIAS Solutions; Diegem; Sur place; EUR 55 000 - 75 000; Plein temps

Résumé du poste

ILIAS Solutions, in partnership with Belgian Defence, seeks a seasoned System and Network Administrator to own and operate mission critical IT infrastructure at Diegem, Belgium. You will ensure stability, security, and continuity across Windows and Linux environments, networks, and storage in a controlled on-site setting.

You will monitor performance, manage backups and DR processes, enforce change control, and collaborate with on-site stakeholders to maintain high availability for daily

Qualifications

• 5+ years in system and network administration.
• Strong experience with Windows and Linux environments.
• Solid networking knowledge: TCP/IP, LAN/WAN, switching.
• Experience with enterprise networking (Cisco/Juniper).
• Hands-on virtualization, storage and backup.
• Experience in mission-critical or highly controlled environments.
• Strong troubleshooting and structured working style.
• Professional communication in English.

Responsabilités

• Manage and monitor Windows and Linux systems in a high availability environment.
• Maintain network infrastructure including routers, switches and firewalls (Layer 2/3, TCP/IP).
• Own backup, restore and disaster recovery processes across virtualized and storage environments.
• Control system configurations and changes within strict procedures.
• Troubleshoot complex issues across systems, networks and infrastructure.
• Support users and coordinate with on-site stakeholders.

Connaissances

Windows

Linux

Networking

TCP/IP

LAN/WAN

Troubleshooting

English

Outils

Cisco

Juniper

VMware

Storage

Backup

Description du poste

ILIAS Solutions, in partnership with Belgian Defence, seeks a seasoned System and Network Administrator to own and operate mission critical IT infrastructure at Diegem, Belgium. You will ensure stability, security, and continuity across Windows and Linux environments, networks, and storage in a controlled on-site setting.

You will monitor performance, manage backups and DR processes, enforce change control, and collaborate with on-site stakeholders to maintain high availability for daily