Network & Security Engineer

About the Role

We are looking for an experienced Network & Security Engineer to support the administration, maintenance and evolution of network and datacenter infrastructures.

The consultant will contribute to day-to-day operations, complex troubleshooting, infrastructure modernization and network security projects, ensuring the performance, availability and security of critical IT environments.

Key Responsibilities

• Administer, maintain and develop network and security infrastructures.

• Diagnose and resolve complex network incidents.

• Participate in network architecture, migration and deployment projects.

• Monitor and optimize network performance.

• Manage routing and switching across Layer 2 and Layer 3 environments.

• Maintain technical documentation, operating procedures and network diagrams.

• Perform datacenter operations, including equipment installation, replacement, racking and commissioning.

• Manage copper and fibre-optic cabling.

• Collaborate with infrastructure, security and project teams.

Required Technical Skills

Networking & Routing

• Strong knowledge of TCP/IP, OSI model, subnetting, VLANs, trunking, NAT, DHCP and DNS.

• Hands-on experience with Layer 2 switching and Layer 3 routing.

• Knowledge of static routing, OSPF and BGP.

• Experience with Cisco Nexus and Cisco Catalyst.

Network Security

• Experience with firewalls: Check Point, Palo Alto and/or Fortinet.

• Knowledge of Network Access Control (NAC) and Cisco ISE.

• Understanding of 802.1X, profiling and posture management.

• Knowledge of Zero Trust Network Access (ZTNA) and Web Application Firewall (WAF).

Monitoring & Datacenter

• Experience with SolarWinds Orion and/or Zabbix.

• Knowledge of Cisco Wireless LAN Controller C9800.

• Hands-on experience with datacenter equipment installation, rack management and commissioning.

• Copper and fibre-optic cabling.

Nice to Have

• Knowledge of Certificates and Public Key Infrastructure (PKI).

• Experience with Google Cloud Platform (GCP) networking.

• Knowledge of VXLAN.

Your Profile

• Degree in IT, Networking, Telecommunications or equivalent experience.

• Relevant experience as a Network Engineer or Network & Security Engineer.

• Strong analytical and troubleshooting skills.

• Autonomous, rigorous and service-oriented.

• Good communication and teamwork skills.

• Good command of technical English.

• Valid Category B driving licence and willingness to travel occasionally to different sites and datacenters.

Languages

• English: Good professional level required.

• French mandatory

Key Information

• Location: Luxembourg

• Start: ASAP

• Duration: Until 31/12/2027

• Workload: Full-time