About Guillaume
French
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English
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Experience
- PerfeosCTO, Cloud Architect, Devops, SRE FreelanceCONSULTING AND AUDITSMay 2018 - Today (8 years and 3 months)Région de Marseille, FranceAchievements:- Transformation from legacy to resilient cloud architecture on Kubernetes (audit, strategy and roadmap, containerization of all applications, implementation of the target solution with the entire technical stack to support/manage production, team training)- Transformation from client/server model to geo-redundant SaaS solution with automatic scalability based on usage (strategy and roadmap, containerization of all applications, implementation of the target solution with the entire technical stack to support/manage production)- Optimizations of costs, security, performance, and infrastructure resilience- Punctual expertise on automation, containerization, and CI/CD/GitOps workflow creationTechnical environment- Cloud providers: Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, OVH, Scaleway, and local hosting- Infrastructure as Code: Terraform, Ansible, ArgoCD- Containers and related ecosystem: Kubernetes, Helm, Docker, Rancher, Velero- Databases: MariaDB, PostgreSQL, MongoDB- Monitoring: Prometheus, AlertManager, Grafana, Datadog- Logs: Graylog, ELK (Elasticsearch, Logstash, Kibana), Loki, Fluentd- CI/CD: GitLab CI, Github Actions, TeamCity- Dev: Python, PHP, BashClients:- Software and SaaS solutions publisher: Heredis, Hyperness, Twindeal, Yzr, Bluenove, Adlin Science, Sponso+, The Programmatic Company, LivingPackets, Laiye, LineUP7- MVNO: Prixtel- Association: La Chaine du Droit- Large Account: Groupe Soufflet (agri-food), CMA CGM (world leader in transport and logistics), Stellantis- Cloud Provider: Monaco Cloud, Linkt
- Monaco CloudTechnical Director - CTOTELECOMMUNICATIONSNovember 2021 - November 2022 (1 year)Monaco, MonacoA fast-growing Monegasque cloud provider driven by a government initiative, Extended Monaco, aimed at modernizing and digitizing the entire principality. I took over the technical direction of the company in a context where almost everything had to be built. During my tenure, I:- Built the team (recruited 12 people)- Built and realized the company's cloud strategy- Oversaw technical direction- Evangelized externally on cloud usage- Ensured technical validation for all Cloud sales, advised on and deployed complex architectures, and served as the last level of escalation for support teams- Implemented the company's business continuity planManaged a team of engineers located locally and remotely:- Organized, daily managed, supervised, and animated the team's activities, balancing performance and good humor- Coordinated common actions and projects with the marketing and sales departmentsTechnical Direction:- Managed strategic technology suppliers and partners- Constant monitoring and anticipation of important market trends- Made structural choices to support company growth and product creation/evolution- Ensured technical consistency of ongoing and upcoming projects- Maintained a roadmap encompassing all projects- Represented the company at trade shows with sales teams- Participated in all phases of technical projects, from needs expression, RFP, design, to implementation (for some)- Highly secure environments subject to regular audits in preparation for PINH certification (equivalent to SecNumCloud in France)Technical skills- Complete VMware ecosystem: ESX, vCenter, NSX-T, vSAN, SDDC Manager, vRealize suite, vCloud Director, etc...- Other solutions are confidential
- Jaguar NetworkHead of Cloud Business UnitTELECOMMUNICATIONSJune 2015 - April 2018 (2 years and 10 months)Région de Marseille, FranceFollowing a reorganization to support company growth, I took over the management of the Cloud BU. This was a cross-functional role involving technical, managerial, sales, marketing, and customer relations aspects. I was responsible for all products in the cloud portfolio (50% of turnover) as well as expertise requests or last-level support for over 1,000 clients. During these years, I:- built a team (recruited 14 people)- built and realized the company's cloud strategy- oversaw technical direction- evangelized internally and externally on cloud usage- ensured technical validation for all Cloud sales, advised on and deployed complex architectures, and served as the last level of escalation for support teams- implemented the company's business continuity planManaged a team of engineers across 3 different sites:- Defined quarterly objectives, organized, daily managed, and animated the team's activities, balancing performance and good humor- Handled administrative tasks (leave, absences, performance reviews, training plans)- Coordinated common actions and projects with the marketing, sales, other BUs, and production teamsFinancial monitoring of the BU:- Prepared the department's provisional budget and monitored it daily- Contracted and negotiated with various suppliers- Made financial commitments autonomously or with management support depending on the amountTechnical direction for the cloud scope:- Managed strategic technology suppliers and partners- Constant monitoring and anticipation of important market trends- Made structural choices to support company growth- Ensured technical consistency of ongoing and upcoming projects- Maintained a roadmap encompassing all projects
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Education
- Engineering DegreeEcole Supérieur d'Ingénieurs de Luminy2006
- University Diploma of TechnologyIUT Génie des Télécommunications et Réseaux2003