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
- 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