Project: Bouygues Telecom Containerized NPC/NCC deployment – FranceResponsibilities:• Developing multiple shell scripts to automate tasks and improve team efficiency o Tracing script: automate traces capture on multiple clusters external and internal traffic (Edges nodes/PODs) o Logging script: Automate extraction of application logs from multiple NPC/NCC clusters pods o CDR Extraction: automate retrieval and decoding of CDR files o Audit tools: audit configuration (keycloak, NPC/NCC configuration, bundles) and compare with target values o Grafana data extraction: automate extraction of all dashboard configured graphs and convert to xlsx format o Provisioning tools: Multiple scripts to backup/restore data (bundles, profiles, devices) o Json data path extraction: Tool that extracts jq path for given json data• Troubleshooting integration issues on infrastructure/applications and reporting to product support• Self-study on Kubernetes and istio to improve my knowledge and troubleshooting skills for this projectInfrastructure / Containerized NEs: NCS (Kubernetes), NPC, NCC, ZTS

Project: Bouygues Telecom Virtualized IMS Network deployment (Landline and VoLTE) – FranceResponsibilities:• Troubleshooting infrastructure issues and VNF deployments in Lab and Production• Integrating VNFs within the new virtualized deployed Core and legacy IMS Core• Close work with design team for End-to-End solution and migration strategies• End-to-End test, validation and VNFs debugging• Performed migration from legacy to virtualized IMS Core in production• Developed multiple scripts for Nokia and Bouygues Telecom project needs: o Flow testing: test flows from all deployed VNFs using Excel flow matrix format as input file o Tracing script: Forking multiple tcpdumps/tsharks on all traffic VMs/VNFs and merges to a single file o DNS migration: Converts VitalQIP to Titan DB format and performs DNS queries to compare outputs o BGCF tables conversion: Provide batch to convert BGCF tables from ISC to CFX format o Open vSwitch troubleshooting script: dumps processed packets by OVS with provided filters o Latency troubleshooting: Generate high traffic and calculates latency o CFX configuration compare tool: Compares CFX configurations and provides correction batch file o Subscribers dump: finds specific users and dump configuration or list all available users per CFX o MD5 Digest challenge calculator: Provides REGISTER challenge response based on MAA and user password o NetAct TLS certificate backup/restore: backup and restore CFX certificates for NetActInfrastructure / Virtualized NEs : CBIS (OpenStack), Nuage, CFX-5000, 5420 CTS, NetNumber Titan, NetNumber LRF, 1360 COM, 5420 PCM, Data Refinery, NetAct, CBAM

Project: SFR IMS Network (Landline/VoLTE) deployment – FranceResponsibilities:• End-to-End troubleshooting for lab projects and production live network• Work with design to overcome end-to-end technical issues and follow-up lab integration/validation• Live network monitoring and customer support• Performed multiple (nightshift) operations in live network for following projects: o Swap NEs (MRF, Firewalls, CLF, 7750 routers, VitalQIP) o Upgrade/patch NEs (ISC, SCG, BroadSoft CAS, Firewalls, MRF, IeCCF, ACME) o Activate IPv6 on access network o Migrate Core CE routers to BGP o Integrate ACR buffering feature on CTS (ABF) o VoLTE Core integration and commissioning new site for capacity extension o Thin Receptionist integration with BroadSoft o Corporate softphone service integration o Corporate VoLTE (SBO Mobile) service integration with BroadSoft AS o eSRVCC feature configuration and activationNEs: 1300 XMC, 1357 ULIS, 5400 LRF, 5450 ISC, 5420 CTS, 5420 PCM, 8950 SAM, 5750 SSC CLF, 5900 MRF, 8965 C3S, 8650 SDM, 4500 ACME, 9200 ACME, VitalQIP, OMC-P, Fortinet Firewall, 6850 Omniswitch switch/router, OMC-P

Responsibilities:• Set up production IP network (installation and configuration of 6850 switch/routers)• Provide configuration tuning, call-flow analysis and troubleshooting• Provide technical coordination and project progression follow up• Participated in high/low level design discussions• End-to-End acceptance tests and validation NEs: 1300 XMC, 1357 ULIS, 5400 LRF, 5450 ISC, 5420 CTS, 5420 PCM, 8950 SAM, 5750 SSC CLF, 5900 MRF, 8965 C3S, 8650 SDM, 4500 ACME, 9200 ACME, VitalQIP, OMC-P, Fortinet Firewall, 6850 Omniswitch switch/router, OMC-P

Project: SFR IMS network deployment, integration, test and validation – FranceResponsibilities:• Completed End-to-End testing and validation of the IMS Solution during the following integration phases: o Audio/video basic calls (fix and mobile terminals with VCC anchoring) o Alcatel-Lucent AS FS5000 integration o Huawei AS TAS integration o Broadsoft AS CAS integration o Lawful interception, number portability and emergency calls o Presence services o RCS services: File Sharing, Image Sharing and Video Sharing o Centrex PBX services o Streamwide AS Integration• Participated to end-to-end design discussions and strategies• Commissioned and integrated network elements (some of listed below)• Upgraded and/or installed patches• Provided call-flows/logs analysis and troubleshooting• Supervised live network performance and provided support, provisioning and configuration tuningNEs: 1300 XMC, 1357 ULIS, 1440 USDS, 3008 DTG, 5060 MGCF-E10, 5400 LRF, 5420 VCC, 5450 ISC, 5750 SSC CLF, 5900 MRF, 7510 MGW, 7750 Router, 6850 Omniswitch Router, 8615 IeCCF, 8650 SDM, 8670 GUP, 8950 SAM, 8920 SQM, 9200 ACME, Cisco ASA Firewall, NOKIA Firewall, VitalQIP, OMC-P

Project: SFR – GSM/GPRS/EDGE Network optimization – FranceResponsibilities:• Provided protocol analysis and troubleshooting on A, Gb and Gn interfaces• Designed methodologies to capture traces using probes and post-analyze them• Supervised the network performance using KPIs (OSS) and traces• Reviewed KPIs composition and designed reports with relevant KPIs graphics to describe network’s health• Programmed Macros to enhance probes’ traces analysis and treatments• Performed presentations on protocols used for data services (WAP, TCP/IP …etc.)NEs: Nokia / Alcatel (BSS), Siemens / Alcatel (NSS)

Responsibilities:• Supervised and coordinated 5 microwave installation team• Troubleshot technical issues and reporting• Performed trainings on GSM overview, cell planning and radio network optimizationNEs: Huawei / ZTE (Microwaves)

Responsibilities:• Performed site surveys and line of sight for new BTS deployment, and drive tests for measurement analysis• Provided network monitoring reports and recommendations to improve the GSM network performance • Improved the radio QoS by tuning the BSS Parameters and cell frequenciesNEs : Ericsson/Siemens (BSS and NSS)

Responsibilities:• Reviewed GloMoSim simulator source code• Developed and implemented a protocol to detect selfish mobile ad hoc nodes• Provided performance analysis and benchmarks

Responsibilities:• Supported customers on technical issues• Supervised equipment performances and generated alarms• Designed web pages and developed tools to automate data transfers through mail orders