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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 Brussels, Belgium.


What you’ll be doing

  • Ensure the smooth operation of network and telecommunication infrastructures
  • Investigate, diagnose and resolve network issues
  • Monitor performance and analyse network load using advanced tools
  • Install, upgrade and maintain network components and monitoring solutions


What we’re looking for

  • Bachelor's degree
  • 7 years+ of experience


Certifications (at least one)

  • Cisco (CCNA, CCNP, CCIE, etc.)
  • F5 (BIG-IP certifications)
  • Palo Alto, Juniper or SANS (Network Security)


Technical expertise

  • Strong knowledge of WAN, LAN/WLAN, VLAN and network protocols
  • Solid background in network security, VPN and encryption
  • Hands-on experience with routers, switches, firewalls and load balancers
  • Familiarity with network monitoring tools
  • Experience with Palo Alto, Cisco ACI and F5
  • Knowledge of automation and DevOps practices


Language

  • English at C1 level


Location

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

Key Skills

Ranked by relevance

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Posted
Mar 24, 2026
Type
Full-time
Level
Mid-Senior
Location
Brussels
Company
Altherias

Industries

IT Services IT Consulting

Categories

Information Technology

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