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Altherias

ALT2026-0156 - Network Administrator

Altherias
Belgium · Full-time · Mid-Senior

We are looking for a Network Administrator for a key client based in Belgium.


Main tasks

  • Ensures operations of the network, including telecommunication and/or computer infrastructure to meet the organisation’s communication needs.
  • Investigate, diagnose and solve network problems.
  • Use network management system tools to determine network load and model performance statistics.
  • Install and upgrades network components and network monitoring solutions.


Requirements


Education

  • Bachelor's degree


Minimum experience

  • 7 years+ of experience


Certifications (at least one)

  • CCDP/CCNP, CCNA, CCDE/CCIE, CCAr or relevant certifications of F5, Juniper, Palo Alto
  • BIG-IP certified administrator
  • BIG-IP LTM Specialist: Maintain and Troubleshoot
  • BIG-IP LTM Specialist: Architect, Set up, Deploy
  • SANS certification related to Network Security


Knowledge and skills

  • Knowledge of networks, network administration and communication protocols (WAN, (W)LAN, VLAN)
  • Knowledge in network security, VPN implementation and cypher techniques
  • Operating network devices and services, e.g. routers, switches, load balancers, accelerators and firewalls, crypto communication devices
  • Knowledge of network monitoring tools


Specific requirements

  • Palo Alto Networks (Security)
  • Cisco networking (Network) – ACI
  • F5
  • Expertise in automation and DevOps practices


Language

  • English at C1 level


Location

  • Brussels, Belgium (Hybrid: 2 days remote + 3 days on-site)

Key Skills

Ranked by relevance

network administration network security firewalls switches routers ccna wlan vpn
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Posted
Mar 13, 2026
Type
Full-time
Level
Mid-Senior
Location
Brussels
Company
Altherias

Industries

IT Services IT Consulting

Categories

Information Technology

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