Network and system administrator apprentice

• Managing AWS Cloud architectures with Terraform
• Migrating to an advanced network architecture using Transit Gateway.
This allowed us to use a single Site-to-Site VPN to our on-premise infrastructure and removed the need of VPC peerings between AWS accounts, taking out a lot of complexity.
• Deploying multiple apps using EC2s and AWS load balancing services.
• AWS GameDay : Unicorn Polo League
• A lot of Terraform refactor and layer upgrades.
• Move one datacenter to two others without downtime
A lot of work was required to be able to do the move safely.
• Installing and configuring new network equipment to welcome interconnection between the datacenters.
• Migrating VMs between XEN hypervisors in different datacenters.
• Converting physical servers to virtual machines
• Migrating physical Load Balancers
We went from old physical LBs from A10 Networks to Keepalived running on virtual machines without downtime on load balanced incoming network traffic.
• Managing On-Premise infrastructures with Ansible
• Creating Ansible roles to deploy a diversity of software and configuration.
• Managing highly available Kubernetes clusters
• Deploying apps using Helm.
• Upgrade of production Kubernetes clusters without downtime.
• Develop Bash and Python scripts
• I developed a Python script to parse conntrack kernel module output to export the amount of incoming network traffic on a network interface alias as a Prometheus metric.
• I made a simple bash script to start and stop Chaos Experiments on nodes that run specifics pods.
• Advanced network configuration on Core routers / AS30972
• Configuring VxLAN on network devices and servers using systemd-networkd
• Developing Github Actions CI/CD workflows

Freelance - Network and system administrator

• Managing highly available Kubernetes cluster
• Configuring Ceph distributed storage on cluster nodes
• Deploying Victoria Metrics monitoring stack
• End user support

Internship

• Setting up IPSec VPN on PfSense firewalls
• Setting up an intrusion detection system using Suricata & SELKS
• Creating a test environment for QinQ on network devices (like RAD, IFOTEC, Cisco)

Internship

• Creating and editing Drupal websites
• Setting up web servers using Apache

Internship

• Replacing network devices
• Configuring voice over IP phones
• Learning cable management good practice