Freelancer profile translated to English.
Back to original languageAbout Thierry
DevOps / SRE Engineer with over 15 years of experience, I am returning to the freelance market today with clarity, energy, and a real sense of the concrete.
I designed and maintained critical infrastructures at Orange for over a decade (35,000 servers, CI/CD GitLab/Jenkins, Ansible automation, Cloud Foundry). I know the production challenges, the pressure of the run, and the value of clear tooling.
After a voluntary break, I am gradually restarting my activity. For this, I offer apreferential rate of €200/day for my first missions(10 days max), in order to get back on the ground in real conditions, without excessive stakes for my clients.
I am looking for short or part-time missions: refactoring, CI/CD, automation, documentation, run, skills development.
I work with rigor, clarity and transparency. If you need reliable and autonomous technical support, I am ready to take up the challenge.
English
Fluent
French
Native or bilingual
Japanese
Conversational
Can work on-site
Paris (up to 50km)
Experience
- ORANGEDevOps Engineer / Backend DeveloperTELECOMMUNICATIONSSeptember 2015 - May 2023 (7 years and 8 months)Montpellier, France– Development of REST APIs in Java/Kotlin in SCRUM teams (e-commerce and ordering services).– Participation in the front-end with Angular/Typescript.– Maintenance of a J2EE ESB used by 10+ partners until 2016 (guaranteed inter-service stability).– Implementation of Ansible + Jenkins for multi-site deployment (Staging → Prod).– Construction of GitLab CI pipelines for Cloud Foundry, reducing time to production.– Monitoring via the ELK stack, tracking critical errors and alerting.
- ORANGESystem Administrator N2/N3 (SRE Equivalent)TELECOMMUNICATIONSMay 2009 - August 2015 (6 years and 3 months)Paris, France– Supervision of 35,000 VMware ESXi VMs: creation, cloning, configuration.– SAN management (multipathing), memory/disk/CPU tuning.– Administration of 1,000 HP-UX N3 nodes. Critical services for several million users.– Automation with BladeLogic (correction, deployment, audit scripts).– High availability monitoring (SRDF, BCV, vSphere), N2/N3 on-call support.– SRE approach before its time: failure prevention, documentation, multi-OS restart tooling.
- ORANGEUser SupportTELECOMMUNICATIONSNovember 2005 - April 2009 (3 years and 5 months)14th arrondissement, 75014 Paris, France- Technical support for individuals and professionals (internet, telephony, software).- Management of first-level incidents, diagnosis, customer relations.- Understanding of the internal IS challenges of a large operator.
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Education
- Master of EngineeringUniversité Technologique de Compiègne(UTC/la Sorbonne)2016MASTER IN SOFTWARE ENGINEERING
- LICENCE PRO IN ARCHITECTURE FULL IP (NETWORK & TELECOMUNICATION)Université Telecom Lille 12010LICENCE PRO IN ARCHITECTURE FULL IP (NETWORK & TELECOMUNICATION)