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Network Security Engineer

Hybrid
  • Brussels, Brussels Hoofdstedelijk Gewest, Belgium
IT

Job description

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

Job requirements

  • 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 knowledge by relevant work experience
  • 10+ years of experience in multiple IT areas of which 8 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.
  • 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 at least in Dutch or French

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