Jean-Sébastien Devoille

Senior DevOps Engineer with 10+ years of experience in cloud infrastructure, CI/CD, observability, and production operations, including 5 years supporting financial services environments. Strong expertise in AWS, deployment automation, logging and monitoring platforms, and microservices architectures. Proven ability to improve reliability, streamline delivery workflows, and support business-critical production systems.

Senior DevOps Engineer at Germen (2024-06 – Present)

• Designed and deployed logging and monitoring solutions with Splunk to improve observability and production diagnostics.
• Led the monitoring of production and financial flows in a business-critical environment.
• Maintained, improved, and streamlined CI/CD pipelines across 60+ microservices.
• Supported data management and reporting activities to improve operational visibility.

Senior DevOps Engineer at Ekonoo S.A. (2021-11 – 2024-05)

• Designed and implemented observability solutions using ELK, Grafana, and CloudWatch to strengthen monitoring capabilities.
• Oversaw production and financial flow monitoring in an environment managing approximately €4M in assets under management.
• Maintained and improved CI/CD pipelines across 60+ microservices to support reliable software delivery.

DevOps Engineer Consultant at Bâloise S.A. (2021-02 – 2021-10)

• Designed and implemented a centralized log management solution based on ELK.

System / DevOps Engineer at ExaMotive / Oply S.A. (2016-02 – 2020-05)

• Day-to-day production support, incident analysis, and resolution of operational issues.
• Designed cloud architectures for web applications hosted on AWS.
• Built and maintained CI/CD pipelines with Jenkins to streamline deployments.
• Implemented monitoring and alerting solutions to improve service reliability.

Junior System Administrator at CiteeCar S.A. (2014-11 – 2016-01)

• Implemented Puppet to automate and standardize configuration management.
• Deployed an ELK stack to centralize logs and improve troubleshooting.
• Containerized applications and supported their migration to AWS ECS.
• Created and implemented CI/CD pipelines with Jenkins to improve deployment workflows.

Trainee System Administrator at CECIMA (2013-04 – 2013-07)

• Installed and configured gateway services, firewall, DHCP, Squid, OpenVPN, and Citrix-related virtualization tooling.

High School Supervisor at Lycée Emile Levassor (2011-09 – 2014-11)

Trainee System Administrator at BA 116 (2010-07 – 2010-08)

• Installed an authentication gateway based on Alcasar, an open-source solution.

Bachelor's Degree in ASRALL – Université Henri Poincaré (2012 – 2013)

BTS IRIS in Higher technical diploma in computer science and industrial/service networks – Lycée Charles de Foucauld (2009 – 2011)