About Abraham
English
Native or bilingual
Experience
- Hitachi Rail - FranceSpecification/dev/testingTRANSPORTATIONAugust 2022 - Today (3 years and 10 months)Vélizy-Villacoublay, France— Writing/Executing test scripts in a python/SIL4 environment.— Verification of log flows between network equipment.— Log data analysis— Control of security events in logs.— Resilience tests— Maintenance and RASTA commands— Verification of sending and receiving maintenance commands via RASTA.— Expertise in railway wireless radio: Development of a prototype with modems andAT commands via HTTP to compensate for the distance of the modems from thegateway, in response to installation constraints on train roofs (demonstrationInternational Union of Railways - UIC).— Writing a specification to test network segmentation and quality of service(QoS) of railway signaling via VLAN on a shared Ethernet infrastructure.— Specification of tests to be performed and KPIs to be measured to compare the performance of4G and 5G in an edge/ground communication gateway.— Integration of various railway signaling modules and interfaces on a test bench,ensuring the interoperability and compliance of systems.— Validation of functionalities and integration of the ATESS module (black box in the fieldrailway), ensuring correct interaction with the other electronic modules of thetrain system.— Execution of tests with bash and Python (RobotFramework and Selenium), management ofanomalies including detection, analysis, and traceability of incidents.— Training provided on testing tools.Tools and technical stack: RobotFramework, Python, Selenium, GSMR Wireshark, Switch,Modem, AT commands, FRMCS/GSM-R, LAN/VLAN, TCP/IP, Ethernet, Firewall, MQTT,SNMP, streaming (RTP, RTCP), REST API, Linux, Squash, Jenkins, Docker, Swagger, test benches, OPC-UA, RDP, TCMS, OMTS, Railway applications (ERTMS, ATO, etc.), Scapy, nmap, MLops, Gherkins, integration, Shell...
- AvantixR&D telco & ML algorithms matlab , python, C/C++ (Defense)February 2020 - August 2022 (2 years and 6 months)Paris, FranceFR
- Conception et implémentation d’algorithmes en C/C++ sur cibles SOC et Linux, avec une compréhension approfondie des choix algorithmiques grâce à des études d’état de l’art, en utilisant des modèles développés en MATLAB et Python.
- Implémentation d'algorithmes optimisés en C/C++ sur des plateformes SOC embarquées et des environnements Linux, avec une forte orientation vers l'optimisation des performances et l'intégration temps réel.
- Mise en place de tests et intégration CI/CD.
- Expert radio (couche physique, MAC, RLC)
- Utilisation des frameworks de ML (TensorFlow, PyTorch).
- Expertise en tests et validation.
- Data visualisation avec Power BI
EN- Design and implementation of algorithms in C/C++ on SOC and Linux targets, with a deep understanding of algorithmic choices through state-of-the-art studies, using models developed in MATLAB and Python.
- Design of architectures for algorithm development, with a systems engineering approach for efficient implementation on embedded systems.
- Expertise in dissection of radio communications, from packet capture to decoding.
- Implementation of optimized algorithms in C/C++ on embedded SOC platforms and Linux environments, with a strong focus on performance optimization and real-time integration.
- wireless technologies expert
- Testing and continuous integration CI/CD
- Use of ML frameworks (TensorFlow, PyTorch).
- Expertise in testing and validation
- NokiaR&D telco | radio | signal processing | 4G | 5G | system | python | Matlab | C/C++TELECOMMUNICATIONSMarch 2016 - March 2020 (4 years)Lannion, France
- Implémentation et optimisation d'algorithmes télécoms sur systèmes embarqués (DSP, ARM, TI, CEVA), avec un accent sur la performance (mémoire, instructions) et la fiabilité du code dans le cadre des technologies 4G et 5G (couche PHYs, MAC).
- Codage en C et C++ pour le traitement du signal numérique (DSP), intégration et optimisation d'algorithmes critiques.
- Maîtrise des techniques d'annulation de bruit et d'égalisation pour améliorer la qualité des signaux dans des environnements bruités, appliquées aux systèmes de communication radio 4G/5G.
- Mise en place de tests unitaires, d'intégration et de non-régression pour garantir la robustesse des algorithmes dans les chaînes de transmission et réception (couche PHY).
- Optimisation des performances en temps réel sur des cibles embarquées et sous Linux, avec réduction de la latence pour un traitement efficace des données dans des systèmes de communication 4G/5G.
- Expertise en iot
- Implementation and optimization of telecom algorithms on embedded systems, with a focus on performance and code reliability in the context of 4G and 5G technologies (PHY, MAC layers).
- Coding in C for digital signal processing (DSP), integration, and optimization of critical algorithms in modulation, time and frequency synchronization, error-correcting codes (FEC), as well as advanced techniques such as OFDM.
- Mastery of noise cancellation and equalization techniques to enhance signal quality in noisy environments, applied to 4G/5G radio communication systems.
- Implementation of unit, integration, and regression tests to ensure the robustness of algorithms in transmission and reception chains.
- Expertise on IoT
- Optimization of real-time performance on embedded targets and Linux, reducing latency for efficient data processing in 4G/5G communication systems.
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Education
- PhD in Applied Mathematics | TelecommunicationsUniversity of Limoges,2016Doctorat en génie électrique / traitement du signal / mathématiques appliquées / sciences des données
- Computer and Telecom Engineering SchoolÉcole Supérieure des Communications de Tunis (SUPCOM),2012
Certifications
- Machine LearningStandford Online2019