Didier SEGURA

Systems and Network Consultant based in France 🇫🇷

Email / Website / LinkedIn / GitHub

💼 Experience

Consultant Systems & Network @ KALIOP (May 2022 - Present)
Leading system and network initiatives, specializing in virtualization, deliverability, monitoring, and Linux environments.

• Infrastructure As Code: Terraform / Ansible
• Monitoring: Icinga2 / Prometheus Alertmanager / Dynatrace / Newrelic
• Deployment of Kubernetes clusters (K8s) (AWS / GCP / Azure / Scaleway)
• Cloud infrastructure deployment (AWS Fargate)
• Application deployment with ArgoCD (Helm Charts)
• Building Docker images / AMI via Packer

Infrastructure & Network Manager @ ELEAWAVE (Jun 2017 - Apr 2022)
Responsible for overseeing and optimizing infrastructure and network operations.

• Migration of platforms to Openstack (OVH Public Cloud)
• Expertise in deliverability (DMARC, DKIM, SPF, Blacklist, S/MIME)
• PCI-DSS compliance 3.2.1 (audit, analysis, and compliance)
• Platform monitoring: Zabbix / ELK / Prometheus / Grafana
• Infrastructure As Code: Chef, Ansible, Packer, Terraform
• Team leadership and project management (JIRA)

Systems Engineer @ TEADS (Jun 2015 - Jun 2017)
Engineered and maintained systems for a global advertising marketplace.

• Infrastructure deployment under AWS (EC2, ELB, RDS, VPN)
• Deployment of build tools / cronjobs: Jenkins and Rundeck
• Administration of NoSQL (Cassandra)
• Monitoring and Alerting with Zabbix / Grafana / Graphite
• Management of AWS services: Route53, RDS, EC2, ElastiCache
• Infrastructure As Code: Chef, Terraform

Technical Project Manager @ KALIOP (Apr 2012 - May 2015)
Lead technical projects and initiatives for various clients.

• Migration VMware ESX 4 to VMware ESX 5.5
• Migration of internal messaging to Gmail
• Integration of open-source solutions based on client needs
• Infrastructure As Code / Automation: Puppet
• Security and performance audit of MySQL
• Managed multiple infrastructure and network projects

Technical Consultant @ KeepCore (Apr 2011 - Feb 2012)
Provided system and network consulting services for various clients.

• Integration of business applications (Apache Tomcat / JBoss)
• Administration of Linux servers (CentOS / Debian)

Systems and Network Engineer @ PoP-Development (Apr 2009 - Apr 2011)
Engineered and maintained systems for B2B business.

• Administration of over 100 Gentoo Linux servers
• Management of hosting for high-traffic B2B PHP websites

Systems and Network Administrator @ Groupe La Poste (Apr 2007 - Mar 2009)
Maintained systems and networks for La Poste Group.

• Administration of a fleet of Windows 2008 & 2012 servers
• Administration of Active Directory (GPO) on a domain of 300 client workstations
• Administration and monitoring of network equipment (Juniper / Nortel)

🚀 Competences

• Infrastructure as Code (IaC): Proficient in using Terraform, Ansible and Chef for automated infrastructure deployment.
• Monitoring and Performance: Extensive experience in implementing and managing monitoring solutions like Icinga2, Zabbix, Prometheus, and Grafana.
• Cloud Technologies: Expertise in deploying and managing cloud infrastructure, including AWS Fargate and Kubernetes on various cloud platforms (Scaleway, AWS, GCP, Azure).
• Team Leadership and Project Management: Proven ability to lead international teams and manage projects efficiently using tools like JIRA.

🌐 Technologies

• Infrastructure As Code: Terraform, Chef, Ansible
• Monitoring: Icinga2, Zabbix, Prometheus, Dynatrace, Newrelic
• Kubernetes: AWS, GCP, Azure, Scaleway
• Cloud Services: AWS Fargate, Openstack (OVH Public Cloud), RDB, Redis, OpenSearch
• Continuous Deployment: ArgoCD, Helm Charts, Docker, Packer
• Security and Compliance: DMARC, DKIM, SPF, Blacklist, S/MIME, PCI-DSS
• IT Management: Rundeck
• Databases: Cassandra, MySQL, PgSQL
• Visualization and Dashboarding: Grafana
• Virtualization: VMware ESX
• Web Servers: Apache, NGiNX, Apache Tomcat, JBoss
• Operating Systems: Linux (Alpine, CentOS, Debian, Gentoo), Windows Server 2008 & 2012
• Networking: Juniper, Nortel

💬 Languages

🇺🇸 English: Technical
🇪🇸 Spanish: Basic
🇫🇷 French: Native

👨‍🎓 Education

• Master's Degree in Administration, Security, and Networks
  Université Montpellier II | 2006 - 2007

  • BAC +5 - MASTER 2

• Bachelor's Degree in Computer Science
  Université Montpellier II | 2004 - 2005

  • BAC +3 - Licence Informatique

• Advanced Technician's Diploma in Telecommunications Engineering
  IUT Valence | 2002 - 2004

  • BAC +2 - DUT Génie des Télécommunications