About Chemseddine Ismail
Profile Title: DevOps Consultant | 🐍 Python Expert, ☕ Java, 🐳 Docker & ☸️ Kubernetes, 🤖 Ansible, 🔧 Jenkins
French
Native or bilingual
English
Fluent
Experience
- EDFDevOps EngineerENERGY AND UTILITIESJuly 2022 - January 2024 (1 year and 7 months)Nanterre, FranceContext:DevOps Consultant on assignment at EDF, participating in the operational readinessof a platform for managing invoices and customer contracts. Responsible for the deployment, availability, and performance of the platform. Design and implementation of robust CI/CD pipelines. Automation of deployment and monitoring tasks. Integration of monitoring tools for proactive incident detection. Technical writing to document implemented processes and solutions. Development, maintenance, and bug fixing for Java applications.Actions:
- Automation of deployments with GitLab CI, Jenkins, and Groovy.
- Use of Ansible for automating installation tasks.
- Planning and development of bash scripts under crontab.
- Implementation of automatic launchers for application restarts.
- Participation in deployment operations for application version upgrades.
- Coordination with various technical teams for task planning.
- Deployment of applications on OpenShift, a CaaS (Container as a Service) solution.
- Development of fixes for J2EE application bugs.
- Deployment of several Java applications on JBoss EAP and Apache Tomcat.
- Writing technical reports: studies, design, quotes, and analyses.
- Monitoring of servers and REST applications, generating reports via Dynatrace.
Results:- Automation of recurring tasks freed up time to focus on other
- strategic topics.
- Effective handover ensured a smooth transition of responsibilities.
- The implementation of our solutions earned the respect of my colleagues for my
- professionalism.
Technical Environment:Redhat, Gitlab, Ansible, Python, Docker, OpenShift, Jenkins, Java EE, Spring, Nagios, Control-M,Apache, Tomcat, JBoss EAP, Nginx - SONATRACHSystem Engineer | DevOps EngineerRAW MATERIALS INDUSTRYJanuary 2022 - May 2022 (5 months)Hassi Messaoud, AlgeriaContext:DevOps Engineer at Smartest, a globally certified WITSML leader, providing cutting-edge digital solutions for industries such as oil, gas, renewable energy, and automotive. I contributed to designing and deploying world-class technological infrastructures, ensuring the reliability and performance of solutions for our clients worldwide.Actions:
- Administer and maintain Docker Swarm clusters, ensuring application reliability and performance.
- Successfully migrated an architecture based on Docker Swarm to Kubernetes, optimizing operations and scalability.
- Created Ansible roles to automate deployment and infrastructure management tasks.
- Implemented monitoring tools such as ELK, Zabbix, and Datadog, enabling proactive monitoring of systems and applications.
- Administered VMware vCenter to effectively manage virtual machines and resources.
- Supported field technicians to ensure the smooth deployment of machines during projects, guaranteeing the success of operations.
- Intervened during incidents and wrote detailed technical reports to document encountered problems, actions taken, and solutions implemented to resolve incidents.
- Actively participated in a data migration project, collaborating with relevant teams to plan and execute the migration effectively and securely, while minimizing service interruptions and ensuring data integrity.
Results:- Significant reduction in downtime thanks to optimized administration and maintenance processes.
- Successful migration to Kubernetes, improving flexibility and resource management.
- Automation of deployment tasks, thereby reducing human errors and accelerating development cycles.
- Implementation of proactive monitoring, allowing for rapid problem detection and preventive intervention.
- Improvement of operational efficiency through the centralization and simplification of virtual machine management.
- Contribution to the success of field deployments, thus ensuring customer satisfaction and compliance with deadlines.
Technical Environment:VMware vCenter, Docker Swarm, Docker, Kubernetes, Kafka, Zookeeper, Nagios, Debian, Redhat,Ubuntu, Rocky Linux, Cisco, Gitlab-CI, Gitlab, Ansible, Jenkins - KIOSTORE.NETDevOps EngineerE-COMMERCEAugust 2020 - December 2021 (1 year and 5 months)Mostaganem, AlgeriaContext:DevOps Engineer at KIOSTORE, an innovative e-commerce company. Key player in the design and deployment of a hybrid infrastructure, combining Cloud and on-premises resources. Responsible for implementing automated processes to ensure the reliability and scalability of the entire system, while optimizing costs and maximizing performance.Actions:
- Assist developers to ensure a smooth transition of projects to production.
- Dockerized several projects constituting the platform, particularly in Python and JavaScript.
- Automated versioning with Semantic Release and configured GitLab CI pipelines to optimize deployments.
- Administered the Proxmox hypervisor and Ubuntu virtual machines.
- Deployed and managed on-premises Kubernetes.
- Configured and optimized Cloudflare services to improve infrastructure performance and security.
- Trained developers on the Gitflow collaboration strategy for efficient source code management.
- Contributed to backend development in Python and created bash scripts for various automation tasks.
- Ensured continuous availability of development and production environments by implementing proactive monitoring practices and redundancy mechanisms.
- Actively participated in the agile process of evolving the technical environment, including technological watch, roadmap planning, and image updates to ensure the relevance and effectiveness of deployed solutions.
Results:- Successful implementation of the solution since March 2021, ensuring a robust and scalable infrastructure.
- Significant reduction in deployment times and improved environment stability through CI/CD process automation.
- Enhanced infrastructure security and resilience, contributing to cost optimization and operational efficiency.
- Successful handover, including training an autonomous DevOps engineer
- on the current project, ensuring operational continuity and sustainability.
Technical Environment:Linux, Debian, Ubuntu, Docker, Kubernetes, Gitlab-CI, Jenkins, Python, JavaScript, Bash, Git, SSH,Ansible, ELK, Zabbix, Nagios, Nginx, Certbot, Cloudflare, AWS, Github Actions, Gitlab-CI
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