Network Engineer (LAN/WAN Focus)

Start date: ASAP
Workload: Full-time
Location: Brussel (min. 2 days/week on-site after onboarding)
Languages: Dutch or French (with solid understanding of the other) + good command of English
Deadline to apply: June 20th, 2025
 

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Description

We are looking for an experienced Network Engineer to join an operational team responsible for managing a 24/7 critical infrastructure environment. You will be involved in managing complex LAN/WAN environments and supporting data center and cloud-connected infrastructures. The mission includes both project delivery and day-to-day operational support in line with ITIL best practices.

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Responsibilities

• Manage and maintain network and security infrastructure:
  Cisco Nexus, F5, Infoblox, Meraki (SD-WAN/LAN/WLAN), Checkpoint Firewalls & VPN, Ivanti, etc.

• Focus primarily on LAN/WAN components during the initial stages of the mission.

• Support incident and problem resolution in a 24/7 data center and enterprise environment.

• Deliver and support projects related to WAN/LAN/WLAN, data center, and DevOps.

• Collaborate with peers in both Run & Project environments.

• Automate administration and operational tasks using scripting tools (e.g., Ansible).

• Ensure consistent network availability, performance, and security within agreed SLAs.

• Maintain up-to-date technical documentation.

• Provide knowledge sharing, support, and guidance within the team.

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Technical Requirements

• 5+ years of experience in LAN/WAN environments

• Solid hands-on experience with:

  • Cisco Meraki, Cisco Nexus (VXLAN is a plus)

  • Checkpoint, F5, Infoblox

  • Network Security Equipment (firewalls, reverse proxies, IDS/IPS)

  • VPN technologies (e.g., Pulse)

  • Storage and backup infrastructure

  • Cloud networking knowledge (Azure, AWS, etc.)

  • Scripting tools such as Ansible

• Familiarity with ITIL processes and change management

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Soft Skills

• Autonomous, structured, and proactive

• Strong problem-solving and analytical mindset

• Excellent communication and interpersonal skills

• Team-oriented, but capable of working independently

• Able to follow and enforce internal procedures and documentation standards

• Experience with coaching or mentoring is a plus

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Language Requirements

• Native-level Dutch or French, with a good understanding of the other national language

• Professional English is mandatory