Network & Security Engineer
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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