Thomas Varetz

Senior DevOps Engineer – Airbus / Secure Land Communications

April 2022 – Present

• Tech lead on Kubernetes and Infrastructure subjects.
• Integration of multiple open source components to create our Kubernetes cluster stack.
• IT Architect participating to the development of the deployment of multiple applications into Kubernetes.
• Establishment of a complete CI / CD pipeline used as a reference by other products.
• Integration of SaaS and On-premise solutions.
• Work in close collaboration with product managers, development / R&D teams.
• Carry out the installation of the various products, carry out the necessary implementation and qualification operations.
• Monitoring of indicators, incidents, requests and creation of operational reporting.
• Identification of improvement plans for the various processes.
• Writing of technical documents and detailed installation procedures.
• Support and management of customer projects, from launch to delivery.
• Rationalization and cost reduction.

Technical environment
Kubernetes Gitlab CI Terraform Ansible Containerd / Docker Proxmox and Vmware Prometheus Grafana LAMP / LEMP

Senior Linux Administrator / DevOps Engineer / Team leader – Bertin IT

March 2018 – March 2022

Objectives: Transform a homemade solution of "Speech-to-Text" in a turnkey product that can be installed in a high security constraints environment (banking trading rooms). Definition of the infrastructure needs, implementation, production and LSS of the fleet. Maintain the CI / CD pipeline as well as the middleware developed for the "Speech-to-Text" product. Manage the team, coordinate its work and anticipate its areas of development.

• Development of a state-of-the-art application stack, distributable by package manager.
• Establishment of a complete CI / CD pipeline used as a reference by other products.
• Integration of SaaS and On-premise solutions.
• Work in close collaboration with product managers, development / R&D teams.
• Carry out the installation of the various products, carry out the necessary implementation and qualification operations.
• Service level guarantor and customer / user representative.
• In charge of LSS for SaaS production, internal infrastructures and supplier management.
• Monitoring of indicators, incidents, requests and creation of operational reporting.
• Identification of improvement plans for the various processes.
• Writing of technical documents and detailed installation procedures.
• Participation in customer training on technical administration and advanced solutions functions.
• Definition and evaluation of individual objectives, in line with the company's strategy.
• Responsible for organizing the team and developing individual / collective capacities.
• Support and management of customer projects, from launch to delivery.
• Rationalization and cost reduction.
• Participation in pre-sales.

Technical environment
Gitlab CI Terraform Ansible Proxmox Docker Zabbix Grafana Wireguard LAMP / LEMP

IT manager – Sat-Ocean

January 2016 – October 2017

Objectives: Fleet implementation, production and LSS.

• Development of the technical strategy in line with the company objectives.
• Management of the information system and development of business projects.
• Functional studies and architectural recommendations.
• Management of suppliers.
• Installation, maintenance and securing of the information system.
• Support, assistance and training for users and cross-functional functions.

Technical environment
HPC Clusters (10-16 nodes each) Ubuntu with OpenMPI, Numa, Knem, for Hycom et Matlab application NFS storage server of 300TB in Raid 60 with Multipath and data replication Infiniband / Ethernet network for 4 bays in private room Proxmox Deployment with Ansible and Docker Openvpn, Shorewall, Fail2ban LAMP / LEMP Load balancing and high availability with Keepalived, Haproxy, Nginx DNS (Bind), Mail (Cyrus, Postfix, Spamassassin), FTP (Proftpd) Monitoring and metrics with Zabbix + development of internal tools (Bash, Php/Mysql, Snmp)

System and network administrator – Serveur-Express

October 2010 – November 2015

Objectives: Fleet implementation, production and LSS.

• Level 3 incident management / resolution.
• Client project management: Needs collection, Build (implementation), Run (production, LSS).
• Supervision of systems and applications, during the day and on call 24/7.
• Users support.
• Pre-sale.

Technical environment
LAMP / LEMP Proxmox Openvpn, Iptables, Fail2ban Load balancing and high availability with Keepalived, Squid, Nginx DNS (Bind), Mail (Courier / Dovecot, Postfix / Qmail, Spamassassin), FTP (Pureftpd) Monitoring and metrics with Munin and internal tools Management of client projects with Redmine or Gitlab Managing customer tickets with Cerberus

System and network administrator – Agarik

January 2009 – October 2010

Objectives: Fleet implementation, production and LSS.

• Level 2 incident resolution and scalable maintenance.
• Users support.
• Supervision of systems and applications, 24/7 in 3x8.
• Live System Support.

Technical environment
LAMP VMware Openvpn, Iptables, Fail2ban DNS (Bind), Mail (Dovecot, Sendmail, Spamassassin), FTP (Proftpd) Monitoring, metrics and management of customer tickets with internal tools

Entrepreneur

December 2005 – May 2017

EURL : Dec. 2005 - Dec. 2008 / Auto-entrepreneur : Mar. 2009 - May. 2017, with more than 300 customers (1/3 VSE/SME, 2/3 individuals).

• Administrative, financial and technical management of the company.
• Customer / supplier relationship management.
• IT outsourcing.
• Website development.
• Hardware sale

Technical environment
LAMP / LEMP Proxmox Deployment with Ansible and Docker Debian / Ubuntu Openvpn, Shorewall, Fail2ban DNS (Bind), Mail (Dovecot, Postfix, Spamassassin), FTP (Pureftpd) Load balancing and high availability with Keepalived, Haproxy, Nginx Monitoring and metrics with Zabbix, Munin, Mon + development of internal tools (Bash, Php/Mysql, Snmp) ERP and CRM with Dolibarr