Alassane Tall

- Definitions / Studies / Implementations / Deployment / Administration of LAN, WAN, SD-WAN, Campus WIFI, industrial sites, and Datacenter architectures.

- SDWAN: Design and deployment of single-site and multi-site SD-WAN networks in client-server mode and implementation of IPsec VPNs for partner connections and SD-WAN clients.

- Deployment and configuration of FORTINET firewalls 80F, 200E, 600E, 1100E, 2500E and integration into FORTIMANAGER

- Deployment and configuration of PALO ALTO firewalls PA-410R, PA-800, PA-3400, PA-7000 and integration into PANORAMA

- Analysis of gaps between target and existing architecture, then design/optimization of target N2 and N3 architectures in VISIO format.

- AZURE CLOUD: Migration of part of the ON-PREMISE infrastructure to AZURE, including:

=> Deployment of VNETs segmented into multiple SUBNETs.

=> Creation of virtual WANs connected to virtual HUBs

=> Deployment of HUB AND SPOKE architecture

=> Interconnection of sites to AZURE CLOUD via S2S and P2S VPNs

=> Deployment of UDRs (Route Tables)

=> Deployment of ALB (Azure Load Balancer) virtual firewalls (AZURE firewall and FORTINET)

- Feasibility studies for migration projects (LAN, WAN, and WIFI) in collaboration with stakeholders.

- Launching POCs, monitoring, and validation of different project stages.

- Writing Technical Design Documents (DAT)/High-Level Designs (HLD) for core/distribution/access switches

=> CISCO CATALYST C92XX, C93XX, C94XX, C95XX.

=> ARUBA HPE 55XX, ARUBA OS 29XX, ARUBA CX 63XX and 83XX.

- Writing WIFI 6 DAT and deployment and migration from WIFI 5 to WIFI 6 on user sites. WIFI controllers 72XX, WIFI APs AP-3XX, AP-5XX

- Writing WIFI Android/IOS DAT (dedicated to corporate BYOD mobile devices - COPE – COBO – COSU) coupled with the AIRWATCH MDM (Mobile Device Management) solution for enrollment, configuration, and security of mobile devices

- Design and deployment of end-to-end private, public, and hybrid Cloud hosting platforms with Disaster Recovery Solutions (DRS) for clients like the Ministry of Justice, Canal+, Priceminister, Cdiscount, TNT, Lactalis, Vitalia, Générale de Santé, etc.

- Writing Technical Architecture Documents (DAT) and creating/updating network and security diagrams using Microsoft Visio.

- Design and architecture of network and security infrastructures based on client needs, managing public and private network addressing plans.

- Deployment, configuration, and maintenance of => F5 BIG IP (BIG IP VIPRION, 2400 and 4400), FORTINET (200A, 300A, 3810A) and VDOMs, CHECKPOINT (R71, R75 via PROVIDER1) and FWBUILDER.

- Deployment, configuration, and maintenance of CISCO NEXUS 5000 and 7000 switches, FEX 2000 switch connections, implementation of VRFs, PBR, ACLs, and static routing rules. Propagation and management of VLANs, spanning-tree, and port-channels.

- Deployment and configuration of FORTINET firewalls in cluster mode, implementation of filtering rules, static routes, virtual firewalls (VDOMs), integration of firewalls into FORTIMANAGER

- Upgrade of F5 Load Balancers (BIG IP 8900). Transition from version 9.5 to version 11.5. Post-intervention monitoring, VIP implementation and maintenance, and CLI troubleshooting.

- Upgrade of CHECKPOINT Firewalls. Transition from version R75.47 to version R77.20. Post-intervention monitoring, log analysis, and CLI troubleshooting.

- Deployment and configuration of an SSL VPN on CISCO ASA with dual authentication (MFA), management of user groups, LDAP groups, and troubleshooting.

- Definition of security policies and network security.

- Proposal for network evolution and security policies (Management of new IP addressing for the new DATACENTER).

- Management of DNS records on INFOBLOX