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CBTW

Senior Network & Security Engineer

CBTW
Luxembourg · Full-time · Not Applicable
Overview

We are an independent global technology group delivering end-to-end technology solutions through a global delivery model.

We invest our efforts in unlocking the full potential of not only our clients, but also that of our employees by providing them with an evolving environment that encourages collaboration, creativity and a positive mindset.

Collaboration Better The World – let’s do something great together !

Responsibilities

What is your role?

This position is responsible for incident resolution and request handling on the Datacenter network and security infrastructure scope.

Responsibilities include installation, configuration, patching, upgrades, monitoring, capacity management and maintenance of switches, routers, firewalls, NAC, load balancers, web application firewalls, proxies, DNS and VPN connectivity :

  • Installation, configuration, monitoring and incident/problem resolution of Network.
  • switching equipment and routing equipment.
  • Monitoring and incident/problem resolution of security equipment.
  • Installation, configuration of part of the security equipment.
  • Patch/upgrade systems to maintain the required security and support levels.
  • Monitor performance and capacity of the infrastructure.
  • Works closely with users to understand needs, define and solve incidents/problems.
  • Instructs users in order to avoid recurring incidents/problems.
  • Maintains a current knowledge of changes in the data communications field.

Qualifications

What is your profile ?

  • 5 to 8 years of proven experience in a role combining network engineering and cybersecurity.
  • Strong knowledge of LAN/WAN technologies and communication systems.
  • Experience with fiber optics and network peripherals.
  • Solid understanding of TCP/IP networking.
  • Hands-on experience with:
    • VLAN configuration and management
    • Routing protocols (MPLS, BGP, OSPF, EIGRP)
    • Cisco IOS (ACI is considered an asset)
    • Experience with firewalls, VPNs, and network security practices
    • Familiarity with syslogs and monitoring tools
  • Languages: Fluent French is mandatory; a solid level of technical English is required.
Other Skills

  • Strong troubleshooting and analytical abilities.
  • Good organizational and documentation skills.
  • Ability to work independently and as part of a team.

What are we offering?

Evolution:

  • Personal follow-up during your career at CBTW
  • Catalogue with a wide variety of trainings for hard- and soft skills, private language classes, unlimited access to an E-learning platform (Udemy, Code Academy) and possibility to get certified every year

Collaboration:

  • Opportunity to join Cybersecurity community and participate in knowledge sharing sessions, events, workshops, etc.
  • Join one of our collectives (Wellness, Agile, RSE ..) and share your interests with other positive thinkers

On top of that:

  • We offer a competitive salary with a flexible mobility package that allows you to choose options such as having mobility benefits (electric cars, electric bikes, public transportation subscription).
  • You will become part of a growing team of people keen on applying the latest technologies and knowledge

Do you see a match? We would love to see your application coming in! 😉

Key Skills

Ranked by relevance

firewalls network security cybersecurity switches routers ospf vpns mpls vpn nac bgp dns ios aci
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Country Guide

Luxembourg

High-value international enterprise and fintech hub

Posted
Mar 17, 2026
Type
Full-time
Level
Not Applicable
Location
Luxembourg
Company
CBTW

Industries

IT Services IT Consulting

Categories

Information Technology

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