Network Security Engineer

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Network Security Engineer

Luminus

Brussels, Belgium

What will your mission be?

Design of network related projects
Daily operational management of the IT Infrastructure

Which tasks will you be working on?

Keeping the IT infrastructure (such as WAN, LAN, WLAN, offices, DC, VPN, DNS, FW, ... up and running, as per the service level agreements
Managing support tickets (second and third line)
Ensuring that the standards & governance principles of the infrastructure are followed
Participating in the Change Management process
Ensuring that support documentation is kept up to date
Proposing improvements on network and security level
Validating the infrastructure and network deliverables in projects, as per the standards
Ensuring version management is applied
Supporting first line with inquiries
Providing second line support
Ensuring that the correct administrative process is applied when using follow up tools
Managing third line support (coordinating and working closely with on/offshore third parties)
Proposing solutions (HLD+LLD to meet business requirements
Deploying solutions in the production network in a controlled way
Ensuring transition without impact to operations
Contributing to the writing of RFI/RFP’s
FW/Network monitoring
Creating documentation (migration plans, test plans, troubleshooting reports) in the context of changes/incidents

Skills & Knowledge

The ideal candidate has a bachelor's or master's degree in a technology related field (e.g. Engineering, Computer Software, etc.) or has gained equivalent work experience
7 years of experience in multiple IT areas of which 5 in NW/NWSEC
Preferably able to prove an active experience in the following areas:
- MPLS technology (IGP/LDP/MP-BGP, L2VPN, L3VPN)
- Networks: LAN/MAN/WAN technologies, TCP/IP, Ethernet, and architectures (Layered model, Spanning-tree, multicast, QOS, VRF, HSRP, …)
- ROUTING (static, BGP, OSPF, redistribution) - thorough BGP knowledge is a must
- End-to-end QOS for business applications and RT streams (voice, video) and network optimization tools
- Tunnelling GRE, IPSEC
- DC LAN technology (Spanning-tree, Multi-Chassis EtherChannel, VSS, Thrill/Fabric Path, DC interconnect technologies (VPLS, OTV, ...)
- FW (Checkpoint, Palo Alto, Cisco ASA Firepower, experience in segregation networks (DMZ, ICS perimeters)
- Proxy/Zscaler/ZPA
- Radius/NAC/SSLVPN
- DNS
- Reverse Proxy/Load balancing
- Good troubleshooting skills
- WLAN centralized management
- AD with integrated Radius and CA
- Citrix/VPN
- Experience with Splunk, Skybox, Panorama, Cisco ISE, Infoblox, PRTG, Visio
- Fundamental understanding of IT processes and operational procedures
- AWS network and security components
- Experience with SDWAN/SASE is considered as an asset
You must possess good interpersonal skills and strong communication skills
You have abilities in a mediator role and able to ask the correct questions to understand both sides correctly and get to an agreement
You can work in an autonomous way and are a good team player
You can act as a Network champion and educate juniors in the team
You are business proficient in English and have good knowledge of French. Dutch is an asset