Uni Systems

Senior Network Engineer

🇧🇪 Braine-l'Alleud, Belgium On-site IT Full time Senior Posted May 28, 2026
Workplace On-site
Employment Full time
Seniority Senior
Category IT
IT Category IT Support & Systems
Language English
Posted May 28, 2026
Last verified May 31, 2026
JobGrid context

Role summary by JobGrid

Senior Network Engineer at Uni Systems: Braine-l'Alleud, Belgium; On-site; Full time; Senior; IT. JobGrid adds normalized role facts, source context, and a path to the employer application page so candidates can compare the listing before applying.

  • Location and workplace: Braine-l'Alleud, Belgium, On-site
  • Role classification: IT, IT Support & Systems, Full time, Senior
  • Source freshness: checked by JobGrid on 2026-05-31.
  • Application path: candidates continue to the employer application page with non-personal referral tags.

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Senior Network Engineer to join our UniQue team.

What will you be doing in this role?

  • Design, implement, and maintain enterprise LAN infrastructure across offices, campuses, and data center edge environments.
  • Configure and troubleshoot switching, campus routing, firewall rules, and traffic isolation.
  • Support access layer services, including NAC, 802.1X authentication, port security, and endpoint onboarding.
  • Monitor LAN health using Splunk and other monitoring tools by creating dashboards, alerts, and operational reports.
  • Analyze logs and telemetry data to proactively identify risks, incidents, and performance issues.
  • Develop automation solutions using Python or Ansible for provisioning, audits, backups, and compliance tasks.
  • Track switch health, interface utilization, latency, and service availability.
  • Lead incident response and restore services within SLA targets during critical LAN outages.
  • Perform root cause analysis and implement preventive measures to reduce recurring incidents.
  • Serve as a senior escalation point for complex LAN issues and strategic initiatives.
  • Mentor junior engineers and share best practices in campus networking.
  • Lead LAN projects, including office rollouts, switch refreshes, migrations, and network expansions.
  • Maintain accurate documentation, standards, and operational procedures for the LAN environment.