Mohammed CHIDEKH

Tasks/Achievements:

• Analysis of anomalies reported by software applications and implementation of necessary corrections.
• Back-end development in Java EE and front-end development in AngularJS/Angular.
• Design and implementation of unit and integration tests to verify proper application functionality.
• Participation in team meetings to discuss ongoing work and ensure knowledge transfer.
• Proposal and estimation of technical solutions meeting the needs expressed by business teams.

Technical Environment: Java8/17, maven, Java EE, JAX-RS, EJB, Javascript, TypeScript, AngularJS, Angular CLI, WildFly26, nodeJS, Eclipse, IntelliJ, Visual Studio Code, PostgreSQL, DB2, Mockito, git, jasper, gitlab, jira, confluence, jenkins, jfrog, sonarlint, sonarqube, XL-deploy, ssh/sftp

Tasks/Achievements:

• Design and development of web applications, automation scripts, and supervision dashboards for operational teams and pre-sales using latest technological trends
• Implemented microservices architecture in developments with containerization techniques using Docker, Docker-Compose, Spring Boot, and Spring Cloud
• Established CI/CD pipelines with GitLab, Jenkins, GitLab-CI, SonarQube, JFrog
• Designed and implemented a web application to control Ericsson native IT products (EDNA, Resolve...) and simulate real demonstrations for the pre-sales team
• Integration of numerous applications into Ericsson's CI/CD environment (Rosetta)
• Integrated AWS SNS and Telegram notifications into CI/CD workflows
• Implementation and integration of a BOT with multiple functionalities
• Developed dashboards to: display critical platform KPIs in real-time, detect CDR (Call Data Record) discrepancies between mediation system and CRM backend, monitor database cluster synchronization in real-time, and supervise SIM card activation flow and various payment channels
• Developed a tool (web application) to help operational and supervision teams execute Health-Checks, system commands, API calls, and scripts on any platform (OS, DB, BigData, Services) with a simple button click
• Developed a tool to centralize dashboards and user interfaces in a single application
• Implemented a reporting service to generate daily and monthly performance reports for various critical platforms using microservices architecture
• Implemented bash/python scripts to send SMS notifications for anomalies or important monetary transactions (TopUp)
• Supervised master's students during their internships and thesis work

Technical Environment: Production and UAT Data Center, 300+ servers, Algerian Telecom Operator Djezzy, Ukrainian Telecom Operator kyivstar.net, ADM, Charging System (SDP, AIR, CCN, SAPC...), Provisioning System (EDA), Mediation System (EMM, ETL), CRM, OSS, Database, BigData, VMware, Messaging System, Infrastructure, DevOps, Security SIEM, IDM, AWS, ELK, Tomcat, F5, HAProxy, REST

Tasks/Achievements:

• Monitor status of various DBSS platforms: services, physical servers, virtual machines, storage arrays, network equipment, firewalls, etc., and ensure environment stability and compliance with Ericsson's internal security policy while providing Level 2 technical support
• Verify status of various DBSS platforms before and after maintenance operations
• Prepare operation and performance reports for various platforms
• Provide Level 2 technical support and escalate unresolved issues to the next level
• Track all incidents and requests until resolution while respecting SLAs

Technical Environment: Production, Integration, and UAT Data Center, 300+ servers, Mediation System (EMM, ETL), CRM, OSS, various databases, VMware, Infrastructure, Citrix, Mito, RedHat, Java EE, Tomcat, Shell/Bash

Tasks/Achievements:

• First-line technical support for infrastructure and networks (servers, PABX, routers, switches, internet...)
• Installation, configuration, and setup of network equipment (routing and switching)
• Installation and configuration of telephone systems (Panasonic KX, HTS Series ALCATEL, and Lucent Omni)
• Administration of Lotus Notes Domino email system/client, Microsoft domain (AD and GPO)
• Testing of radio, telephony, and IT equipment
• Design of IT systems and development of technical diagrams
• Development of an IT system for automatic archiving of documents circulating in the wilaya intranet
• Development of software to manage the wilaya directory
• Team member who collaborated with Algeria Telecom in the bandwidth increase project
• Team member who installed and configured servers and applications for the biometric identity card
• Design and implementation of a system to manage telephone systems for the wilaya

Technical Environment: Cisco (Router/Switch), PBX (AVAYA, Nortel...), firewall/proxy, Linux (Debian/Ubuntu), Windows Server (2008/2012), databases (Oracle 10g, MySQL, SQL Server, SQLite), HF/VHF Radio, Ministry of Interior Intranet, IBM Domino Lotus, Java7/8, video surveillance and camera network, Eclipse, NetBeans, Laravel, Apache Server