Jelle Leyman

Freelance Network/Security Engineer

At DPG Media I am working on improving the current network through installation of new technologies (Cisco ws-c9300, 9500, Cisco ISE, Cisco WLC 9800 with 9120, DNA Center, Silver Peak), implementing standards and expanding the capabilities of the SolarWinds monitoring tool.

• Cisco ISE deployment with guest WiFi network and registration through The Ring Ring Company
• Day-to-day firewall (CheckPoint) policy management
• Deployment of Silver Peak SD-WAN (EC-XS, EC-S)
• Upgrading F5 BIG-IP software
• Migrate office wireless from 5508 platform to 5520 and adding heatmaps in DNA Center
• Design + migration to ZScaler (ZIA + ZPA)
• Roll-out 802.1x (NAC)(Cisco ISE + access switches)
• Phase-out old data center

Freelance Network/Security Engineer

Working as a consultant for multiple customers implementing new setups as well as upgrading existing deployments.

• New office installation (WLC 9800, WS-C9500 + 9300 stacks)
• Lead on migration to new hardware of a big health institution
• Perform audits at customers
• Operate and troubleshoot Cisco Meraki in MSP portal

Freelance Network/Security Engineer

At Katoen Natie I worked on infrastructure projects such as standardization and new deployments. Such as the rollout of a DMVPN + OSPF setup and 2 disaster recovery setups.

• Standardizing and renewing location
• Wireless deployments in warehouses (Ruckus)
• Setting up a standard office design + config
• Day-to-day firewall policy management (CheckPoint)
• Audit for renewal of offices (Belgium, South Africa, USA)
• Design + rollout of DMVPN setup with ISR819-LTE routers for remote warehouses
• Design + rollout of a redundant fiber ring for all Belgium locations

Network Engineer

Cameo Global @ Cisco

At Cameo Global I was part of a team that worked exclusively for Cisco at the Cisco HQ in Diegem. Standardising, expanding, deploying and closing networks (routers, switches and APs) of Cisco offices/events/DC’s across EMEA. As team lead I had the responsibility of getting the new hires up to speed.

• Standardizing offices/campus/core networks across EMEA
• Deploying 5508 WLC at remote locations and keeping them up-to-standard through software upgrades, create and updating heatmaps on Cisco Prime
• In my final year I was global lead of the standardization program. I did a final review of all the audits every quarter and met with our Cisco POC to have these approved
• Setup of new offices (routers, switches, APs and VoIP)
• Integration of offices of acquired companies (Meraki in London)