SRE & DevSecOps

Application support engineer @ BNP Cardif — Open to new opportunities worldwide

Summary:

Master’s degree in Cloud, Security & Infrastructure and a Master’s degree in Cybersecurity with 6 years of experience as a Site Reliability Engineer (SRE) and DevSecOps Engineer. Proficient in DevOps practices, cloud computing, infrastructure management, and cybersecurity. Skilled in automation, system performance optimization, and implementing secure, scalable systems. Experienced in handling deployments, monitoring, and incident response. Interested in roles focused on SRE, DevOps, cloud infrastructure, or cybersecurity, where I can leverage my expertise to enhance operational efficiency and security.

🎓 Education

💼 Work experience

Application Production Engineer BNP Cardif — Belgium / Netherlands (July 2025 - June 2026)

As a Application support engineer at BNP Cardif, I was responsible for ensuring the reliability, performance, and security of internal business applications in a production environment.
My work focused on automation, observability, and lifecycle management to maintain operational excellence and continuous service availability.

Responsibilities:

  • Application Support & Maintenance:
    • Provided operational support and ensured smooth running of production applications.
    • Monitored and troubleshot application issues using Batch, Shell, GraphTalk, and Talend.
    • Performed data corrections and extractions directly in production using Oracle SQL, GraphTalk AIA, and MS Access, ensuring data integrity across critical systems.
  • Automation & Deployment:
    • Automated 30% of recurring manual operational tasks using Ansible and Power Automate, reducing processing time by 35% and improving overall team efficiency.
    • Streamlined repetitive operational tasks and enhanced productivity through automation.
  • Vulnerability & Patch Management:
    • Led vulnerability remediation across Windows servers, reducing Java and Apache Tomcat exposure by 80% through structured patch management and compliance enforcement.
    • Managed software lifecycle, ensuring updates and security compliance for internal applications.
  • Monitoring & Observability:
    • Designed and implemented dashboards to improve system observability and performance visibility.
    • Established performance indicators to support proactive incident management.
  • IT Governance:
    • Strengthened IT governance by aligning production processes with internal controls and regulatory standards.
    • Managed end-to-end incident resolution, including root cause analysis and preventive follow-up.
  • Process Optimization & Project Automation:
    • Developed automated workflows for project and task management using Power Automate and Microsoft Planner.
    • Delivered maintainable and scalable automation solutions to support production teams.

Site Reliability Engineer Worldline (September 2021 - September 2024)

As a Site Reliability Engineer at Worldline, I was responsible for managing infrastructures and turnkey solutions for several key clients of the company, including the Legal and Administrative Information Department, the Administrative and Financial Services Department, and the public service concession Bloctel for the Directorate General for Competition, Consumer Affairs, and Fraud Control.

Responsibilities:

  • Infrastructure Management:
    • Managed on-premises infrastructure across 100+ VMs in a SecNumCloud environment.
    • Setup, optimization, and maintenance of IT infrastructures including physical and virtual servers, containers, network equipment, and storage arrays.
    • Successfully executed a lift-and-shift migration of 50+ VMs on-premise with minimal downtime.
    • Integration of green IT into our team processes.
    • Directed incident response efforts for critical systems, effectively minimizing downtime and mitigating risks.
  • Automation and CI/CD:
    • Designed and sustained CI/CD pipelines with a secure SDLC utilizing GitLab CI, reducing deployment failures by 40% and deployment time by 60%.
    • Automated provisioning and configuration with Terraform and Ansible, achieving a 35% reduction in server provisioning times.
    • Improving code deployment frequency by 25% and enhancing version control practices.
  • Monitoring and Supervision:
    • Maintained a full monitoring stack (ELK, Grafana, Zabbix) and ticketing tools (Jira, ITSM) for proactive incident detection.
    • Led incident management including root cause analysis across Red Hat/CentOS production environments.
  • Collaboration and Support:
    • Contributed to governance committees and drove DevSecOps adoption across infrastructure teams.
    • Providing turnkey solutions for clients.
    • Authored comprehensive documentation that helped cut down onboarding time for new team members by 30%.
    • Ensured communication with our clients and their development teams.
  • Security:
    • Reduced Linux and container vulnerabilities by 60% through hardening policies.
    • Conducted regular security assessments and implemented remediation strategies to maintain robust and secure IT environments.
  • Infrastructure Migration:
    • Led the successful migration of six applications from CentOS 7 to Red Hat 8, ensuring minimal downtime and seamless transition.
    • Planned and organized the migration of a key project to Google Cloud Platform (GCP), optimizing resource allocation and enhancing scalability.

Full Stack Developer Enedis (September 2019 - September 2021)

As a Full Stack Developer and Technical Project Manager at Enedis (formerly ERDF), I was responsible for the design and implementation of various technical solutions to improve the company’s operational efficiency and modernize its infrastructure.

Responsibilities

  • Development of React modules and graphical templates
    • Created and deployed multiple ReactJS modules and graphic templates, along with clear and thorough technical documentation.
    • The implementation of React modules and the communication tool streamlined internal processes and enhanced team responsiveness.
  • Deployment of Nextcloud
    • Set up and optimized a Nextcloud platform to streamline file handling and sharing across the organization.
  • Creation of an inter-infrastructure communication tool
    • Developed a custom SMS and email delivery tool driven by company-specific rules to improve internal communication and operational processes.
  • Audit of switched telephone network (RTC) lines
    • Conducted an audit of RTC lines to prepare their migration to fiber and 4G networks as part of the modernization of electrical infrastructures and the improvement of their monitoring.