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Salmen HitanaSH

Salmen Hitana

Senior DevOps Consultant AZ400, AZ104, CKS, CKA

€690/day
2 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Salmen

Cloud Engineer and Senior DevOps Consultant - 12 years of experience

I held the role of PPFS (Service Platform Pilot) on a team of 3 people. In addition to the technical role, I also served as Product Owner to interface with other technical and functional teams (We operate in SaFe mode, with PI of 4 Sprints + 1 Technical Sprint).

I have extensive experience in production management and MCO (Maintenance in Operational Condition) of critical services at Orange, and I was on-call (+6000 Servers and dozens of critical services within the IT department).

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • ExpertNow
    Tech Lead Consultant DevOps / Cloud Engineer
    February 2023 - Today (3 years and 4 months)
    Clients: Médiamétrie, IZICAP (2023), SES (since January 2024)
    ● Implementation of continuous integration and deployment pipelines:
    ○ Definition of workflows for the entire CI/CD chain (build, test, deploy).
    ○ Maintenance and evolution of CI/CD tools: Azure DevOps, GitLab, Consul, XLRelease, Terraform, Ansible, ArgoCD, Jenkins.
    ○ Migration from Jenkins to Bitbucket Pipelines.
    ○ Deployment of applications and solutions on K8S clusters, creation and use of Helm Charts, Kustomize, definition of resources, CRDs…
    ○ Integration of HashiCorp Vault for centralized secret management, container image analysis with Trivy, and configuration of network security policies (Network Policies).
    ● Azure/AWS / GCP/IBM Cloud
    ○ Setup and management of cloud resources on Azure: AKS, Storage, Compute, ACR, Azure DNS, KeyVault, Networking, Azure DevOps private Agent…..
    ○ Deployment on AWS: AWS EKS, ASG, RDS, CloudWatch, EC2, S3, ELB…
    ○ Maintenance and management of resources on GCP: GKS, IAM, BigQuery, BigTable, CDC…
    ○ Cloud infrastructure maintenance on IBM (IKS, Virtual Server, Storage).
    ● Continuous platform maintenance and improvement (MCO):
    ○ Operational procedures to minimize RUN costs.
    ○ Definition of backup/restore and upgrade procedures.
    ○ Maintenance and evolution of the Broadcom Automic AWA scheduler.
    ● Writing technical documentation for various procedures, corrections.
    ● Implementation of a highly available web application technical architecture (0 downtime during production deployments) on Proxmox/OVH Cloud.
    ○ Definition of network architecture to isolate different environments (Prod / Non-Prod) and different services.
    ○ Definition of different technical needs in terms of number of servers, preferences, bandwidth, etc., from providers (OVH).
    ○ Application of security best practices to administer the platform and limit access.
    Gitlab CI/CD Terraform OVH Kubernetes
  • Orange
    Linux System Engineer / DevOps Consultant
    TELECOMMUNICATIONS
    September 2017 - January 2023 (5 years and 5 months)
    Sophia Antipolis, France
    • Ensure the quality of service for applications deployed in production for the PNS service of Orange France IT department, here are some figures:
    o 23 billion requests/month
    o Peak of 12000 requests/sec
    o +150 partners
    o +950 Servers (+6000 Servers within Hosting and Operations)

    • Application/System Administrator within a DevOps project team
    o Support for developers in deploying applications on physical servers, VMs, or on K8S / Docker Swarm.
    o Study and proposal of optimization solutions.
    o Participation in Scrum/Agile ceremonies.

    • System administration of Linux Ubuntu Xenial/Bionic servers.
    • Definition and implementation of the deployment process and Continuous Integration.
    • Automation of server and application configuration and deployment:
    o Migration from Chef to Ansible.
    o Ansible, CFengine, Gitlab-CI, Jenkins.
    o Creation / Deployment of Docker containers on a Docker Swarm cluster.
    • Kubernetes:
    o Migration of applications to K8S.
    • Big Data:
    o Management of several HDP Clusters: Ambari, HDFS, YARN, SPARK, ….
    +80 Nodes (Production only).
    o Management of KAFKA Cluster: Kafka, Zookeeper, Ambari, HDFS.
    • Shell/Python Scripting for operations:
    o S3 Storage Management.
    o Deployment with Ansible.
    o Creation, launching of Docker/Swarm containers.
    • Definition, configuration, and implementation of system and application monitoring probes (Xymon).
    • Definition of production operational specifications.

    Keywords:
    Ansible, Gitlab-CI, Docker, HDP, KAFKA, K8S, NIFI, NFS, AmazonS3, Cassandra, MySQL, Elastic Search, Swarm, docker-compose, GlusterFS, HDFS, YARN, SPARK, PYTHON, SHELL, …
    Ansible Gitlab CI/CD docker kuber gcp cassan ELK HDFS Spark
  • Orange
    IT Consultant / System Engineer
    February 2016 - September 2017 (1 year and 7 months)
    06250 Mougins, France
    Linux System Engineer, DevOps Consultant at Altran for Orange France
    • Ensure quality of service of applications deployed on Production for Orange search engine and TV/video services (VOD, EPG, and TVOD).
    • System/Operation Engineer within a DevOps project team
    o Support for developers in application deployment.
    o Study and proposal of optimization solutions.
    o Participation in Scrum/Agile Ceremonies.
    • System administration of Linux Servers; Ubuntu 12, 14, 16 : LAMP, NGINX, Tomcat, Jetty, DB: MySQL, Virtuoso (NoSQL).
    • Automation of configuration, server's deployment and applications testing using Ansible, Chef, CFengine, Gitlab-CI, Jenkins.
    • Scripting Shell/Python.
    • Definition, configuration and implementation of system and application monitoring probes using Xymon.
    • Configuration of different components: RabbitMQ, JMeter, GlusterFS, …
    • Definition of production operations specifications.
    • Definition and implementation of the deployment and Continuous Integration process.
    • Manage continuous improvement projects within our team
    o Animation of weekly and Brainstorming meetings.
    o Follow-up of actions (Kanban method).
    Production management
    • Technical support and investigation of production incidents.
    • Incident management.
    • Resolution of incidents and problems, support Level 1, 2 and 3.
    • Writing of incident reports.
Check out Salmen's experience

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Education

  • Engineer's Degree, Computer Systems Networking and Telecommunications
    National Institute of Applied Science and Technology
    2012
    Engineer's Degree, Computer Systems Networking and Telecommunications
  • High School, Industrial Technology/Technician
    Ahmed Amine Elmourouj 4
    2006
    High School, Industrial Technology/Technician

Certifications

  • CKA
    Kubernetes
    Kubernetes
  • RedHat Certified Engineer RHCE
    RedHat
    2014
    Redhat Linux System Administration

Skill set (32)

Docker
Kubernetes
Linux
Ansible
Terraform
Git
Amazon Web Services
AWS
Gitlab
Bash
DevOps
Python
Jenkins
Google Cloud
Linux System Administration
Redhat
Gitlab CI
Docker Swarm
Gitlab CI/CD
Helm
CI/CD
PostgreSQL
Proxmox
XL Release
Kibana
elk
Fluent
kuber
gcp
cassan
HDFS
Spark

Categories