Senior DevOps Engineer

À propos de l’offre d’emploi ABOUT THE COMPANY Cloudi-Fi is on a mission: to become the Security Gateway for all unidentified devices connecting to Wi-Fi. Our 100% cloud-based solution combines best-in-class marketing features, global personal data compliance, and a Zero-Trust security framework. Thanks to strong technology partnerships and integrations with major cloud security and networking vendors, Cloudi-Fi is now trusted by over 150 leading global brands including Total Energies, Atos, System U (see our success stories ). Recognized as one of Europe’s most promising SaaS startups by the Financial Times, Cloudi-Fi brings together a passionate, multicultural team working toward a safer and more seamless internet experience for everyone. ABOUT THE ROLE We are seeking a highly skilled DevOps Engineer with deep expertise in infrastructure automation, high-availability systems, and production-grade application environments. The ideal candidate will have strong hands-on experience with Ansible, Elasticsearch, MySQL, RabbitMQ, Nginx, PHP-FPM, GitHub Actions (CI/CD), Proxmox, Centreon, HAProxy, Strongswan and Heartbeat . You will be responsible for designing, automating, optimizing, and maintaining scalable, secure, and highly available systems across our infrastructure stack. Key Responsibilities Infrastructure & Automation Design, implement, and maintain Infrastructure as Code (IaC) using Ansible Automate provisioning, configuration management, and deployment pipelines Maintain system consistency across staging and production environments CI/CD & DevOps Practices Design and maintain CI/CD pipelines using GitHub Actions Improve build, test, and deployment automation processes Implement automated rollback and release management strategies Ensure code quality, security scanning, and pipeline reliability Application & Web Stack Management Configure and optimize Nginx and PHP-FPM environments Troubleshoot performance bottlenecks across the application stack Manage SSL, reverse proxy configurations, and caching strategies Database & Data Systems Administer and optimize MySQL (replication, clustering, backups, performance tuning) Maintain and scale Elasticsearch clusters Implement monitoring and indexing performance optimization strategies Messaging & Asynchronous Systems Deploy, configure, and maintain RabbitMQ Monitor queue health, throughput, and clustering Optimize message handling and resilience strategies High Availability & Load Balancing Configure and maintain HAProxy for load balancing and traffic routing Implement high availability solutions using Heartbeat Design failover and disaster recovery mechanisms Monitoring & Reliability Implement monitoring, logging, and alerting solutions Proactively identify infrastructure risks and performance issues Maintain uptime SLAs and ensure system reliability Required Qualifications 5+ years of experience in DevOps / Site Reliability Engineering Fluent in English - B2 minimum / Native in French Strong expertise in: Ansible (advanced playbooks, roles, templating, inventory management) GitHub Actions and CI/CD pipeline design MySQL administration and performance tuning Elasticsearch cluster management RabbitMQ clustering and optimization Nginx and PHP-FPM production tuning HAProxy configuration and load balancing Proxmox virtualization server management Heartbeat-based failover systems Strong Linux systems administration skills Experience with containerization (Docker preferred) Solid understanding of networking, TCP/IP, DNS, and SSL/TLS Nice to Have Experience with Kubernetes Infrastructure monitoring tools (Prometheus, Grafana, ELK stack) Security hardening and compliance experience Scripting skills (Bash, Python) Soft Skills Strong problem-solving and troubleshooting skills Ability to work independently and in cross-functional teams Strong communication and documentation skills Ownership mindset and proactive attitude WHAT WE OFFER Share the company’s success with a competitive stock options package Flexible work environment. Offices in Greater Paris, international coworking spaces, or remote experience with sponsored home office equipment. For this position, you should be in a European Time Zone. France is preferred. Assigned ownership. We fully trust you to have control and autonomy over your missions. Continuous Training & Learning. A personalized program with all the tools and resources needed. HIRING PROCESS Submit your application: here Culture-fit interview with our Chief People Officer Technical interview with one of our DevOps Engineers Operational interview with the CTO Final interview with the CEO Ignorer la carte promo des services