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Olivier GruelOG

Olivier Gruel

Production Engineer

€600/day
Orléans, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Olivier

Freelance production engineer with over 20 years of experience in critical application environments. Specializing in Linux and middleware (Tomcat, JBoss, Apache), I work on integration, go-live, N2/N3 support, and system reliability. I support teams in industrializing deployments (Jenkins, Ansible, scripting) and continuous improvement of operations, with a pragmatic approach focused on availability, performance, and service quality.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Orléans (up to 50km)

Experience

  • EXTIA - AXA Assurances
    Production Engineer
    BANKING AND INSURANCE
    May 2024 - December 2025 (1 year and 7 months)
    Blois, France
    • Application go-lives via Azure DevOps scripts and pipelines
    • Management and resolution of incidents related to flows, scheduling, and monitoring (N2/N3)
    • SQL analysis and queries for application diagnostics and support
    • Design and implementation of a documentation site mockup with Docusaurus, presented and proposed to the team

    Technical context: Apache Tomcat, JBoss, Oracle SQL Server 19, RHEL 7 and 8, SaltStack
    Oracle Apache Tomcat Red Hat Enterprise Linux (RHEL)
  • ATOS - ORANO et FRAMATOME
    System Administrator
    ENERGY AND UTILITIES
    February 2024 - May 2024 (3 months)
    Orléans, France
    • Resolution of application incidents level II & III
    • Management of VTOM scheduling chains
    • Application and database password changes

    Technical context: Windows Server 2019, RHEL, Vtom
  • NEOSOFT - Rectorat Orléans-Tours
    DevOps Engineer
    EDUCATION AND E-LEARNING
    December 2020 - August 2023 (2 years and 8 months)
    Orléans, France
    ✓ Creation of Ansible playbooks, with integrated tests
    ✓ Launching these playbooks (via Jenkins or AWX)
    ✓ Writing procedures for operations
    ✓ On-the-fly environment creation in the cloud with Terraform & Ansible ✓ Monitoring application evolution
    ✓ Monitoring application component version upgrades (reducing technical debt)
    ✓ Incident monitoring
    ✓ Management of the LIEN application (Nursing Software for the EN)

    Technical context: - DevOps Tools: Jenkins, Ansible, Molecule, AWX, Docker, Terraform, Gitlab - Others: SpringBoot, JBoss EAP 7.1, DB2, Postgres
    Ansible Jenkins AWX

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Education

  • Industrial Computing BTS
    Lycée Pierre et Marie Curie
    1992
    BTS Informatique Industrielle
  • Baccalauréat F3
    Lycée Pierre et Marie Curie
    1990
    Baccalauréat F3

Skill set

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