Missions Business Support System : Découvrez les offres de mission mises en ligne

Exemple d'expériences de Malek,
freelance BUSINESS SUPPORT SYSTEM résidant dans les Hauts-de-Seine (92)

Work Experience

DevOps SRE technical lead at IDEMIA - September. 2020 – Current position
Part of Global Digital Platform entity, functional domains: digital signature, MFA PKI management, identity
management.
• Define SRE Team priorities and strategy to achieve common company objectives.
• Maintaining services in operational conditions analyze and resolve performance and scalability issues
and design necessary actions to maintain SLO.
• Coordinate with project manager, dev , operations ,and customer support teams.
• Working closely with customers to troubleshoot technical incident : performance, connectivity
• Design, implement and maintain the CI/CD pipelines: Jenkins , GitOps, terraform , ansible salt , docker ,
Kubernetes
• Design Infrastructure and network architectures (compute and storage capacity, DMZ, NAT , dns ,
ingress and egress services , reverse proxy , SSL & MTLS , …) , monitoring , logging ,
• Conducted many technical migration projects from a legacy infrastructure to microservices based on K8s
clusters, and fully automated CD / CI chain.
• Troubleshooting complex problem / incidents, analyzing Root Cause and propose solution to avoid
recurrence.
• Observability: Design and maintenance of probes, alerts: Prometheus , logging : fluentd , tracing :
splunk , ELK
• Technical and functional support

BSS/OSS Operational technical lead - Bouygues Telecom - Nov. 2017 Sept.2020
• Responsible for the availability, performance, and security of the BSS OSS Information System
Coordination with the infrastructure BUILD and THINK teams.
• Responsible for the quality of the delivery and the respect of the production requirements in terms of
exploitability, high availability, and security.
• Level 2 / Level 3 technical and functional support
• Implementation on new delivery in production.
• Production Environnent configuration and management
• Resolution of complex technical problems
• Design and implement monitoring tools: technical and functional monitoring – and automation
• IT architecture audit: security, high availability and performance. capacity planning Tuning and
optimization of the workload on the different IS layers (databases, middleware, infrastructures, .
• Scripting: shell, Plsql, Java.
• Environment: Linux, Solaris, HP-UX, Docker, Rancher, Oracle 11g, 12c, Postgres, Glassfish , Docker,
Kubernetes, Tomcat,Appdynamics , Kibana, Zabbix, Datastax , Spark, VTom .

IT production application support technical lead – Orange – Mars .2010 –Nov.2017
• Take overall responsibility for all Operations/Business support System activities.
• (integration, production support, optimization, problem and incident fixing)
BSS / OSS systems (billing, provisioning, rating,
mediation , …. ) maintenance, integration, and optimizations
• Development of many customize solution and workarounds (PLSQL & Shell scripting, Java) to fix
functional and business problem.
• Investigate, resolve, and document complex issues
• Production Troubleshooting: analysis, investigations, defect detection, prioritization,workaround, and
reporting.
• Obtain and ensure quality of Root Cause Analysis for Down Time events.
• Adhere to SLA / KPI requirements
• Proactive monitoring tools and methodologies anticipate critical situations and alert internally.
• Define priorities, define and follow Release delivery plans,
• ENV: Linux , oracle , tomcat , java , soapui , ericsson BSCS ecosystem

Oracle /PLSQL engineer – Gfi Informatique – Jan.2010 – Mars.2013
• Third party maintenance of ELLIPSE MICROWAVE and REGLEMENTATION Systems : Applications for
planning dedicated frequency networks (GSM, WiMAX, wireless PMP) for MENTUN customers :SFR,
Huwawei, Interior minister ,Orange .
• Environment: C, Oracle DB 10G, PLSQL, FORMS & REPORTS
• Working with MENTUM Integration team
• Providing technical production support
• Analyzing customers’ requirements and developing patch and deliveries
• Formulate customers’ needs to technical specifications and Provide solutions to meet customer
business requirements.