Senior DevOps Kubernetes

**Context**: In a context of transformation and growth, we are looking for a Senior DevOps Kebernetes support the expansion of our company both in France and internationally. Your skills and experience enable you to design, deploy, and maintain high-performance, secure, and scalable Kubernetes infrastructures while contributing to the continuous improvement of our internal platforms and our clients' environments. This position is ideal for an expert passionate about automation, optimization, and open-source technologies, ready to thrive in a collaborative environment focused on digital sovereignty. As the person responsible for ensuring the smooth operation of internal and SaaS Kubernetes infrastructures for our clients, you demonstrate a strong sense of responsibility and a deep commitment to user service. You will report directly to our CTO of Run Services while collaborating with our international team of DevOps engineers and system administrators from the Run Services team, as well as with our development, product, and administrative teams. You possess managerial qualities that allow you to organize the work of Linux system DevOps engineers in France and internationally while driving their continuous development. You hold an advanced degree (minimum Bac+5) in computer science and have proven experience in a similar position, with at least 5 years of experience and solid expertise in building, improving, and maintaining Kubernetes clusters both on-premises and in the cloud. LINAGORA's technical experts, active contributors in the open-source community and part of your daily network, will help you grow and acquire recognized professional skills. You will be based at the company's headquarters in exceptional offices within a beautiful architect-designed villa, the "Villa GoodTech," with direct access to the Seine, where you can enjoy paddleboarding or kayaking during lunch breaks or after work. The villa, located on Île Saint-Germain, offers direct access to the departmental park, making it ideal for jogging. It is easily accessible by public transport, but we also provide parking solutions, as the city of Issy is well equipped. The company has implemented a remote work policy, which can be applied after the probation period. **Your Responsibilities**: As a Senior Kubernetes DevOps Engineer, your responsibilities will include: **Kubernetes Management and Optimization**: - Deploy, configure, and maintain Kubernetes clusters (on-premises and cloud). - Oversee the implementation of CI/CD pipelines optimized for containerized environments. - Ensure high availability and resilience of the clusters. **Automation and Infrastructure as Code (IaC)**: - Create and maintain Terraform, Ansible scripts, and other automation tools. - Standardize deployments and manage configurations through IaC to ensure reproducibility. **Security and Compliance**: - Implement best security practices (network policies, RBAC, secrets management). - Ensure platform compliance with security and governance standards. **Monitoring and Optimization**: - Set up monitoring and logging tools (Prometheus, Grafana, ELK). - Optimize cluster performance and identify bottlenecks. **Collaboration and Support**: - Provide technical expertise to development teams. - Train and support teams on best practices related to Kubernetes and DevOps. **Innovation and Improvement**: - Identify and integrate new technologies to enhance infrastructure efficiency and reliability. - Contribute to open-source projects and the broader technical community. **Mindset**: LINAGORA helps its clients achieve digital sovereignty through Open Source and aims to provide a complete collaborative environment that liberates them from GAFAM. You have a passion for open-source technologies and a commitment to digital sovereignty. You take a proactive approach to learning and staying up-to-date with emerging trends in DevOps philosophy and best practices. Want to collaborate with a team of technical experts in a pleasant, architect-designed villa? **You Have**: - A strong sense of user service and always strive to provide solutions to encountered problems. - A great ability to collaborate effectively within an international team, valuing diverse perspectives and cultural differences. - A passion for learning and a proactive approach to developing skills and mastering various technologies. Join us and assist our users in their journey toward sovereignty **Required Skills**: - ** Technical Expertise**:you have an excellent proficiency in Kubernetes, Docker, and related tools, with significant experience in cloud platforms (OVH or equivalent) and on-premises environments. You have strong expertise in automation and deployment tools (Terraform, Helm, Ansible). You also possess a solid understanding of networking principles and security (firewalls, VPNs, certificate management). - ** Problem-Solving**with an ability to diagnose and resolve complex issues in multi-tier e