• Designing, building and maintaining core infrastructure to support hundreds
of thousands of concurrent users
• Automating repetitive tasks to reduce toil and increase reproducibility of the
infrastructure
• Defining and promoting best practices and conventions regarding
infrastructure as code, change traceability and secret management to match
high standards required by certifications [ISO 27001, ISO 27701, HDS, BSI
C5]
• Designing, building and improving disaster recovery plans. Participating in
regular failover exercices in production
• Working hand in hand with security teams to improve security on multiple
layers of the infrastructure
• Advocating and leading the reduction of technical debt to keep the ability to
bring innovation
• Helping feature teams in becoming more autonomous regarding reliability
and operability challenges in a context of massive deployment of new
microservices/capabilities
• Optimizing costs and efficiency of the infrastructure and CI
Technical context: AWS, Linux, Kubernetes, Terraform Enterprise, Vault,
Packer, Ansible, GitHub Actions, ArgoCD, Helm, Golang, Ruby, Datadog,
Postgresql, Couchbase, MongoDB, Kafka, Cloudflare

• Building and maintaining highly available and scalable hybrid architecture:
on-prem servers and AWS cloud, including EC2 instances, Kubernetes
clusters and serverless functions.
• Leveraging CI/CD, infrastructure as code and immutable infrastructure to
reduce time-to-market for dev teams and increase both reproductibility and
robustness.
• Maintaining observability solutions (metrics, alerting) and building a log stack
from scratch based on Elastic Cloud on Kubernetes deployed via full Gitops
workflows.
• Assessing and mitigating risks while reducing tech debt on legacy platforms.
• Hunting cost optimizations.
Technical context: Linux, AWS (EC2, ASG, S3, VPC, ALB/NLB, Route53,
IAM, CloudFormation, EKS, Lambda functions with Serverless framework,
DynamoDB, Kinesis), Ansible, Packer, Jenkins/GitHub Actions, Kubernetes,
Sensu Go, Grafana, Elasticsearch, Fluentd, Logstash, Kibana, NodeJS/
Typescript/Python/Go/Java/Perl, Dynatrace, MongoDB

Migrating applications to Azure and AWS in a large-scale "move to Cloud"
project. (target ~200 applications)
Building terraform templates to deploy a in-house product on Azure.
Technical context: Linux/Windows applications, Terraform, AWS (mostly PaaS: Elastic Beanstalk, RDS), Azure, Ansible, Java

Making cooperation successful between dev teams and ops team in multi
tenant Agile context.
Page
2
of
3
Scheduling releases and spreading best practices (versioning, backward
compatibilities)
Preparing packages and supervising deployments to production environments.
Providing L3 suport for mobile apps, no-code APIs and C# backends.
Technical context: Linux/Windows servers, Android app, Python/Bash/
Powershell scripting, web servers (JBoss, IIS), Apache HTTP, SQLServer,
Selenium, MDM MobileIron

Maintaining project environments and providing support to dev teams on any
infrastructure aspect on multiple integration projects.
Building deployment scripts and documenting installation and exploitation
procedures for our clients.
Executing performance tests and functional validations on occasions.
Technical context: Linux/Windows servers, Python/Bash/Perl scripting, web
servers (Tomcat, JBoss, Jonas), Apache HTTP, RDMS (MySQL, Postgres,
Oracle, DB2), Jmeter