Slim Hammami

• Evolution of Bouygues Telecom's mobile and fixed DATA core network capacity.

• Bytel 5GC network architecture: Ericsson AMF, SMF, and UPF, Nokia PCF, CHF.

• vEPC project: Deployment of vSPGW on Bytel vPOP: Cisco VNF UPF & CP, Cisco VNFM, Nokia SDN, NFVI, VIM CBIS Nokia based on Openstack: onboarding, deploying, and undeploying VMs.

• VNF control plane CP, user plane UP, and Sx peers.

• Deployment of Cisco ASR5500 Bare Metal SPGWs and connecting them to the various network nodes at the POP.

• Contribution to the virtualization of Bouygues' mobile DATA network vEPC.

• Capacity expansion of EPC nodes: Expansion of 20 links on SPGW ASR 5500. Addition of GEP7L card HW on Ericsson MME.

• Implementation and evolution of mobile DATA offers on Huawei UPCC PCRF and Huawei MACO R7 OCS.

• Configuration of Ruledefs/Rulebase/Charging Actions on Cisco ASR5500 SPGWs and vSPGWs.

• Intervention on Ericsson MME-SGSN: MME tier upgrade, 4G Ransharin, RNC deletion/connection, TAC/LAC mapping.

• Configuration of enterprise APNs on ASR5500 SPGW, IBM DNS, Cisco Nexus7700 RTR-POP, and Cisco WS-C6504-E RTR-IPSEC.

• Implementation of AAA authentication for Enterprise Radius within the Arthurus project: Project to swap Ericsson LNS to NOKIA LNS.

• Capacity evolution and reliability improvement of Bouygues Telecom's Fixed network: Refactoring of Ericsson LNS Architecture: L2TP, PPPoE, BNG cards.

• Virtualization of ENT and M2M Radius on CHEOPS4 and BSE3 platforms.

• Evolution of the Enterprise Radius database: logging information to facilitate investigation on the Bytel network in case of incidents.

• Evolution of M2M AAA Authentication on the Enterprise M2M Radius.

• Planning of HO/HNO operations and end-to-end troubleshooting on the mobile and fixed DATA core network. DATA network monitoring: reporting indicators and creating maps, graphs, and alert triggers.

Validation and production deployment of Huawei UPCC DATA PCRF, Huawei MACO R5 OCS, and Ericsson OCS.

• Drafting of the test plan in line with engineering and operations expectations and review of HLD/LLD.

• Deploying configurations on Bouygues Télécoms core equipment (PCRF/GGSN/OCS/SGSN/MME).

• Defining the CRST (Test Strategy Review Committee) test strategy: Presenting the validation phase with risks.

• Executing VABF test campaigns: Analyzing trace and log results, writing summary reports.

• Reporting discovered anomalies, validating manufacturer fixes/patches (Huawei/Ericsson/Cisco).

• Sending Go/NoGo decisions based on conducted tests to production deployment teams.

• ZE (Experimental Zone) tests: Performing production tests with operational support.

• VSR (Regular Follow-up Verification): Providing support to production teams, monitoring reported issues.

• Production deployment of Cisco ASR5K equipment (SGSN/MME, PGW/GGSN): Orange's 4G EPC network evolution project.

• Proposing and developing tools to supervise core network architecture equipment.

• Operations on Orange mobile data core network equipment (APN creation, configuration, testing, debugging, upgrade).

• Ensuring the operational quality of the mobile data core network and the QoS delivered to customers.

• Contributing to the resolution of OCEANE incidents and equipment optimization.

• Participating in the consolidation of VoLTE documents for the mobile DATA team: procedure sheets and instruction sheets.