Network & Security Engineer

Il y a 3 heures

Luxembourg, LU Relatech Spa Temps plein

Your role 💼

 

We are looking for a Datacenter Network & Security Engineer to support the operation, maintenance and incident resolution of critical network and security infrastructure.

This is a hands-on RUN / operations-focused role, with strong involvement in incident management, troubleshooting, patching and L2/L3 support within a datacenter environment.

 

Key Responsibilities includes:

 

1. Network & Security Operations

  • Install, configure, monitor and maintain:
  • Switches, routers, firewalls, NAC, load balancers, WAF, proxies, DNS and VPN
  • Support a datacenter environment based on:
  • Cisco ACI and Cisco Nexus
  • Work with security technologies:
  • Palo Alto, Checkpoint, Fortinet, Cisco FirePower, F5, Infoblox, Efficient IP

 

2. Incident & Problem Management

  • Provide Level II / Level III support
  • Handle escalated tickets from Level I
  • Resolve infrastructure incidents and user requests
  • Participate in 24/7 on-call rotation
  • Investigate and resolve major incidents

 

3. Maintenance & Upgrades

  • Patch and upgrade systems to maintain security and support levels
  • Perform upgrades outside business hours when required
  • Monitor performance and capacity of infrastructure

 

4. Vendor & Stakeholder Coordination

  • Work with vendors and manufacturers to resolve issues
  • Diagnose and isolate faults
  • Provide solutions and corrective actions
  • Collaborate with users, project managers and service delivery teams
  • Maintain documentation and operational procedures

 

Soft Skills

  • Strong problem-solving and troubleshooting skills
  • Ability to prioritise tasks and meet SLA requirements
  • Clear communication with technical and non-technical stakeholders
  • Team-oriented and proactive mindset
  • Ability to work in high-pressure environments

 

Requirements 💡

 

  • Degree in Computer Science, Software Engineering or related field
  • Degree in IT, IT Security or equivalent experience
  • Fluent both English and French

 

Technical Skills:

  • Strong knowledge of:
  • LAN / WAN
  • TCP/IP
  • VLANs
  • Routing & switching
  • Fiber optics
  • Experience with:
  • Cisco routers and switches
  • Cisco IOS
  • Ability to configure and troubleshoot:
  • MPLS
  • BGP
  • OSPF
  • EIGRP
  • Experience with:
  • Firewalls
  • VPN servers
  • Syslog systems

 

Nice to have:

 

  • Experience with Cisco ACI / Nexus
  • Experience with at least two firewall vendors
  • Palo Alto experience
  • F5 load balancer / WAF experience
  • Certifications such as CCNA or CCNP

 

📍 Where: Luxembourg, Full on-site presence in Luxembourg (5 days per week)

 

🌱 What We Offer

 

✨ A dynamic, young, and fast-growing environment

🔄 Flexible thinking and working approaches

🎓 Hands-on experience in a stimulating, project-based context

👩 🏫 Opportunities to learn from industry professionals

📚 On-the-job training (and more)

🚀 The chance to work on real projects with tangible impact

The chance to work on real projects with tangible impact

 

🌍 Inclusion & Equal Opportunity

We believe in people, diversity, and meritocracy. Our recruitment processes are open to everyone—regardless of gender, ethnicity, orientation, or ability. For us, talent is a matter of energy, not labels.

 

🔗 Discover more about us #BTO

Explore our world at 🌐 www.relatech.com