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Yiadh TlijaniYT

Yiadh Tlijani

Kubernetes, Openshift, Cloud, Ansible, Terraform

€560/day
Paris, FR
8-15 years

Average response time: 1 hour

About Yiadh

Ingénieur Senior DevSecOps avec +7 ans d'expérience professionnelle.

Domaines d'expertise:
- DevSecOps
- Platform Engineering
- Site Reliability Engineering

Certifications:
- Kubernetes Security Specialist (CKS)
- Kubernetes Administrator (CKA)
- Kubernetes Application Developer (CKAD)
- Expert for Istio Service Mesh by solo.io

  • Arabic

    Native or bilingual

  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Nice (up to 50km)

Experience

  • SAP SE
    Ingénieur DevOps Senior
    SOFTWARE PUBLISHING
    January 2020 - Today (6 years and 5 months)
    Paris, France
    Transversal DevOps, SRE and CloudOps roles across multiple developers’ teams in France, Germany, USA and India.
    Working mainly on Migrating Legacy Applications and Infrastructure to Cloud-Native and Openshift/Kubernetes Architecture.

    - Containerization of +70 applications, preparation of Openshift/Kubernetes manifests and helm charts, application migration.
    - Migrated +70 legacy applications to Kubernetes and OpenShift platforms.
    - Administration, updates and security compliancy management of multiple production Openshift/Kubernetes and database clusters.
    - Designed and implemented log collection, auditing and monitoring systems for the applications and the infrastructures.
    - Designed and implemented self-healing mechanisms that reduced incidents by 30 % during the last two years.
    - Optimized infrastructure resources consumption and reduced cost by 25 % by implementing autoscaling mechanisms.
    - Automated and streamlined the software development process, with integration of security practices into every stage.
    - Ensured one week of on-call per month. Leaded critical production deployments during off days and weekends.
    - Provided technical support, mentoring/mentorship, conduct training sessions, and deliver TechTalks for several teams.
    - Wrote and validated technical documents: Security Concepts, alert recommended actions and architecture references.

    Keywords: Kubernetes, Helm, Istio, Ansible, Chef, Terraform, ArgoCD, Jenkins, Hashicorp Vault, ELK, Prometheus, Falco, MySQL, AWS
  • Amadeus France
    Ingénieur DevOps Confirmé
    SOFTWARE PUBLISHING
    July 2017 - December 2019 (2 years and 5 months)
    Nice, France
    Automation of deployment, management and upgrades of BIG DATA and BI platforms distributed over Openshift and VMs.

    - Deployed, managed & monitored about 70 applications on top of 4 Openshift clusters and +70 Virtual Machines.
    - Fully upgraded critical production MapR clusters with +40 VMs supporting essential and high-demand services.
    - Developed and maintained automation scripts and tools to reduce manual intervention and increase efficiency.
    - Provided L1, L2 and L3 support intervention as part of IT maintenance. Ensured night and weekend on-call support duty.

    Keywords: Openshift, Rancher, Helm, Ansible, AWX, Puppet, Terraform, Jenkins, Splunk, Molecule, Prometheus, MapR ecosystem

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Education

  • Diplôme d'ingénieur de spécialisation en Sécurité pour les Systèmes Informatiques et les Communications
    EURECOM, France
    2017
  • Diplôme d'Ingénieur en Télécommunication
    SUP'COM, Tunisie
    2015

Certifications

  • Certified Kubernetes Security Specialist (CKS)
    The Linux Foundation
    2023
  • Certified Kubernetes Application Developer (CKAD)
    The Linux Foundation
    2020

Skill set (20)

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