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Frédéric Willien

Frédéric Willien

Cloud Consultant at Devoteam Revolve

IT professional for over 20 years and always passionate about new technologies, I have always enjoyed taking on technological challenges related to information systems. I provide and implement technical solutions to meet the needs of a company’s business processes.

AWS Certified SysOps Administrator – Associate
AWS Certified Solutions Architect – Associate
HashiCorp Certified Terraform Associate

Skills

Experiences

1

July 2021 - Present, Paris

Devoteam Revolve

Formerly D2SI, a consulting firm specializing in the AWS Cloud, joined the Devoteam Group in 2020

Lead DevOps and Automation

Mission for Malakoff Humanis : Mai 2022 - Present

Within the CloudData team of Malakoff Humanis, we are in charge of managing, maintaining and evolving the Data infrastructure on AWS, the foundation is based on software such as Dataiku, JupyterHub and many other tools for the use of Data Scientist and Analalyst.

Responsibilities:
  • AWS & DevOps cloud referent for the infrastructure and Kubernetes part.
  • Implementation, integration of new solutions in Kubernetes.
  • Optimization, evolution and implementation of Terraform best practices.
  • Implementation of IaC and local governance solutions.
  • Industrialisation of Docker and Chart Helm build processes via ECR
  • Ensuring the internal team’s competence on Cloud AWS topics
Techonologies:

AWS Core Services, EKS/Helm, Terraform, Jenkins, JupyterHub, Dataiku, Airflow

Technical Architect Cloud AWS

Mission for Bouygues Telecom : July 2021 - April 2022

Within the PFS network team of Bouygues Telecom, the DPPS department (Products and Services Platforms Department) is in charge of managing, maintaining and developing the different types of hosting platforms. This department is just starting their activity in the Cloud, so it is to support the implementation of Cloud solutions (mainly AWS).

Responsibilities:
  • AWS & DevOps cloud referent for the Hosting department in liaison with the IT and CI/CD framework teams.
  • Act as a leader in the choice of technical architectures and solutions
  • Integration of CI/CD constraints, implementation of IaC and local governance solutions.
  • Ensure the internal team’s competence on Cloud AWS and CI/CD topics
Techonologies:

AWS Core Services, CloudFormation, Lambda, ApiGateway, Terraform, Gitlab-CI, Ansible


DevOps Consulting

Jun 2020 - Jan 2021, Paris

BORN2SCALE

Consulting company specialized in Cloud / Devops / Agile

Mission for Phenix

Migration of the monolithic infrastructure from Azure to AWS using EKS, in order to make the platform more scalable following a strong increase in traffic related to CoVID-19.

Responsibilities:
  • Building a native cloud infrastructure
  • Re-architecting and moving to microservices
  • Migration of Azure infrastructure to AWS
  • Implementation of centralized log management with Datadog
  • Load testing before MEP with Jmeter
  • Implementation of CI/CD (Github, Travis)
  • Follow-up and transfer of skills to the PHENIX technical team
Techonologies:

Terraform, Ansible, Kubernetes, HAProxy, NGinx, Packer, Docker, AWS (Route53, EKS, EFS, Aurora, Elasticache Redis), Datadog, JMeter

2

3

Feb 2005 - May 2020, Paris

QUOTATIS (Groupe ADEO)

Platform of intermediation between individuals and craftsmen.

Infrastructure / Devops Manager

Oct 2017 - May 2020

On Premise Migration to Cloud GCP, Transformation of the architecture into micro-services, MCO of the infrastructure.

Responsibilities:
  • Management and evolution of the IS infrastructure (Fortinet, VMware, Cisco, Linux)
  • Creation and integration of the Business Intelligence tool (TIBCO Spotfire) on GCP
  • Administration of Google Suite and Google Cloud Console (IAM, API Auth, Quota, Security, Audits, Cost optimization)
  • Migration of legacy infrastructure on GCP (Terraform, Ansible, Packer)
  • Technical manager on global issues (security, access, RGPD)
  • Administration of top network equipment (HAProxy, Varnish, Load Balancers, Fortinet Firewall, VPN, IPsec)
Techonologies:

Google Suite, Google Cloud Platform, Terraform, Ansible, Packer, HAproxy, Varnish, GitHub, NGinx, Datadog, Fortinet

System and network administrator

Feb 2005 - Oct 2017

Creation of the computer park from scratch at the start of the company then maintenance and evolution of the whole computer park (150 employees - 3 countries).

Responsibilities:
  • Implementation of the system and network core architecture (AD/samba4, LDAP, DNS, VPN, postfix, gitlab, Symantec Endpoint & Backup Exec)
  • Implementation of global monitoring solution (Nagios, Cacti)
  • Responsible for service providers and SaaS solutions (tenders, contract management…)
  • Installation, configuration and maintenance of servers (physical and virtual)
  • Industrialization of environments for an international context
  • Management, purchase, renewal, inventory of the IS
  • Technical support team manager
  • Management of the domain name portfolio
Techonologies:

VMware, Linux OS (Debian, Ubuntu, RedHat), Windows OS, Symantec Corporate, Alcatel OmniPCX, Dell MD storage, Dell PowerConnect, Nagios, Cacti, Cisco Switch, Fortinet Firewall, Gitlab


Fullstack web developer

Déc 2003 - Jan 2005, Paris

ACCTYS

IT systems consulting company

Mission for Division Inter-Ministérielle des Villes (DIV)

Development of a web tool for the PRESAGE-URBACT program

Responsibilities:
  • Development of a management tool for the URBACT program
  • Creation of a dynamic website in PHP/HTML/CSS/JavaScript
  • Analysis and correction of bugs
  • Development of the database relational model
  • Tests and acceptance of the application
  • Delivery and integration of the evolutions on the servers
Techonologies:

Linux Debian, Apache, PHP, JavaScript, MySQL, PDF generator

4

5

2001 - 2003, Paris

Synaptique Europe

IT systems consulting company

Unix developer and integrator

Mission for 9TELECOM : 2002 - 2003

Creation of the online registration platform

Responsibilities:
  • PHP/HTML/CSS/JavaScript development
  • Drafting of operating manuals
  • Analysis and correction of bugs
  • Deliveries and integrations on production servers
Techonologies:

SunOS 5.6, Apache, Oracle 8, OpenLDAP, CVS

UNIX Administrator and Oracle DBA junior

Mission for France Télécom : 2001 - 2002

Development of the installer kit for the GCN application (Gestion des Commandes Numéris)

Responsibilities:
  • Set up and configuration of AIX and Oracle SGDB servers
  • Development of installation kits for internal tools (K-shell)
Techonologies:

AIX 4.3, SunOS, Oracle 8, SQL, PL/SQL

Accomplishments

AWS Certified SysOps Administrator – Associate
A Cloud Guru Jun 2021 - Jun 2024

Earners of this certification have a comprehensive understanding on how to deploy, manage, and operate IT systems on the AWS Cloud. They demonstrated the ability to migrate on-premises workloads to AWS and monitor, scale, and secure systems on the AWS platform. Badge owners are able to provide guidance on implementing best practices for cloud operations.

AWS Certified Solutions Architect – Associate
A Cloud Guru May 2021 - May 2024

Earners of this certification have a comprehensive understanding of AWS services and technologies. They demonstrated the ability to build secure and robust solutions using architectural design principles based on customer requirements. Badge owners are able to strategically design well-architected distributed systems that are scalable, resilient, efficient, and fault-tolerant.

HashiCorp Certified Terraform Associate
A Cloud Guru July 2021 - July 2024

Earners of the HashiCorp Certified: Terraform Associate certification know the basic concepts, skills, and use cases associated with open source HashiCorp Terraform. They understand and can utilize Terraform according to the certification objectives. Additionally, they understand why enterprises choose to extend Terraform Open Source with Terraform Enterprise to solve business critical objectives.