Ismail Saghraoui

Devops Engineer SRE |Kubernetes | Observability

Salaire / Taux journalier

Saint-Maur-des-Fossés, France

Mobilité : Paris

Freelance, ouvert au CDI

Peut venir sur site

Expertises

KubernetesAWSTerraformGrafanaElasticsearchPower AutomateAnsibleKafkaTailwind CSSReactSite reliability engineeringDevOpsPrometheus

Langues

Français (Maternelle)Anglais (Courant)

À propos

Introduction

J'ai piloté la supervision de 300+ applications en production via Prometheus, Thanos, Grafana, Loki et OpenTelemetry. J'ai automatisé les pipelines d'alerting (-70% de temps de config), migré les architectures de logs vers des pipelines distribués (-40% de latence) et déployé une approche GitOps complète avec ArgoCD sur Kubernetes. Je cherche une mission freelance sur des environnements critiques à forte volumétrie.

Liens

Expérience de travail

DevOps Engineer SRE

SFR

sept. 2024 - Présent

2 ans 2 mois

Paris, France

– Supervision of monitoring for 300+ applications using Prometheus for metrics collection and Consul for service discovery. – Implementation of Thanos for long-term metrics storage, enabling extended monitoring data retention. – Configuration of Grafana for data visualization with development of reusable generic dashboard system. – Configuration of AlertManager for centralized system alert management. – Implementation of Thanos Rules to define distributed alerting rules. – Migration of Teams notifications from classic connector to Power Automate for N3-level alert reception. – Automation of deployment using Helm Charts with ArgoCD for continuous deployment. – Management of multi-environment Kubernetes clusters using ArgoCD's "Apps of Apps" strategy for structured GitOps approach. – Configuration of Loki for centralized technical log aggregation. – Migration from Promtail to OpenTelemetry for optimized log shipping to Loki. – Replacement of Fluentd with OpenTelemetry for application log collection with pipeline: OpenTelemetry → Kafka → Logstash → Elasticsearch → Kibana. – Deployment of dedicated Elasticsearch cluster specifically for Bench service. – Deployment of OpenTelemetry to feed Elasticsearch with logs, generating dynamic indexes. – Management of RUN tickets to ensure maintenance and support of observability infrastructure.

DevOps Engineer

Dassault Systèmes

avr. 2022 - sept. 2024

2 ans 6 mois

78140 Vélizy-Villacoublay, France

– Writing Ansible playbooks to install Kubernetes on virtual machines. – Configuration of Kubernetes components such as the master and worker nodes. – Setting up network configurations (Calico) and NFS storage for volumes. – Developing a complete CI/CD deployment pipeline using Gitlab-CI, incorporating scripts for front-end and back-end components. – Updating and patching clusters to ensure security and stability using Ansible. – Orchestration and maintenance of Kubernetes clusters across different software development lifecycle environments. – Deployment and configuration of Rancher to centralize and simplify the administration of Kubernetes clusters. – Integration of Rancher with deployed Kubernetes clusters.

Software Engineer

eocen

févr. 2021 - août 2021

7 mois

Paris, France

– Develop and deployed an application during an internship aimed at transforming Excel files into Gantt diagrams for enhanced project visualization and management. – Utilize React.js to architect and develop the user interface of the application, ensuring an intuitive and responsive user experience. – Integrate libraries DHTMLX to generate Gantt diagrams dynamically based on the extracted data, providing visual representations of project timelines and dependencies. – Utilize deployment service AWS Amplify to host the application securely. – Used tools: Tailwind CSS, ReactJs, MsProject, DHTMLX, AWS Amplify


Formation

Université de Technologie de Troyes

engineering degree, Information Technology

2018 - 2021

3 ans 1 mois

Rīgas Tehniskā universitāte (Riga Technical University)

Master, Sciences informatiques et de l'information et services apparentés

2020 - 2020

7 mois

FST Settat

Master 1, Automatic Industrial Computer Signal Processing

2017 - 2018

1 an 1 mois

FST Settat

Bachelor of Science and Technology, Electronic Electrotechnical Automatic (EEA)

2016 - 2017

1 an 1 mois

FST Settat

DEUST, Electrical Engineering Mechanical Engineering

2014 - 2016

2 ans 1 mois


Licences et certifications

LFS148: Getting Started with Open Telemetry

Délivré le : –

Certified Kubernetes Administrator

Délivré le : –

Certified Kubernetes Security Specialist

Délivré le : –

AWS Certified Solutions Architect - Associate

Délivré le : –

Certifié par AWS

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