Ingénieur Devops Kubernetes (H/F)

Cloud Temple is a leading player in trusted cloud and digital sovereignty. We design and operate secure, certified and highly available platforms for mission-critical applications.

To strengthen our operations team, we're looking for a passionate SysOps to ensure the stability, security and efficiency of our infrastructure and systems. If you have solid experience in systems operations and a desire to work in a dynamic hybrid Cloud environment, join our team at Cloud Temple!

Your tasks, if you accept themz

Operations and MCO 

• Operate and maintain Kubernetes/AKS clusters in production (updates, node management, RBAC, backups/recovery).
• Monitor, diagnose and handle incidents (analysis, resolution, escalation).
• Reduce recurring incidents and improve stability (MTTD/MTTR, reliability).

Multi-technology environments 

• Intervene beyond Kubernetes according to customer needs:
• Systems: Linux (Debian/Ubuntu/RedHat) and Windows (AD, RDS).
• Network: DNS, routing, certificates, firewalls (e.g. Fortigate), access policies.
  VDI: VMware Horizon.
• Understanding and adapting to heterogeneous architectures.

Automation, observability and tools 

• Automating recurring operations (Terraform, Ansible, Bash/Python scripting).
• Contributing to CI/CD chains and GitOps approaches (GitLab CI, Argo CD).
• Implementing and improving monitoring, alerting and logging (Prometheus, Grafana, Fluentd/Loki, Azure Monitor/Log Analytics).

Continuous improvement and technical debt 

• Identify the levers for stability, performance and maintainability.
• Implement sustainable post-incident corrective measures.
• Standardise, simplify, document (runbooks, REX, procedures).

Customer relations and collaboration 

• Interacting with customers (explanation, support, recommendations).
• Working in coordination with internal teams (infrastructure, security, projects).
• Contributing to knowledge sharing and operating documentation.

Technical environment 

• Kubernetes/AKS, Docker/Containerd, Helm.
• GitOps/CI-CD: GitLab CI, Argo CD.
• IaC/Automation: Terraform, Ansible; scripting Bash/Python.
• Observability: Prometheus, Grafana, Alertmanager, Fluentd/Loki; Azure Monitor/Log Analytics.
• Registry & storage: Harbor; Ceph.
• Network & security: DNS, TLS/certificates, network policies, Fortigate, Azure App Gateway (WAF), BGP.
• OS & VDI: Linux (Debian/Ubuntu/RedHat), Windows (AD, RDS), VMware Horizon

Diploma level Bac+5 Engineering degree or equivalent

Expected experience : 

• 3 to 7 years' experience in production (infrastructure / cloud / devops)
• Practical experience of running Kubernetes (beyond project/build).
• At ease with multi-client, multi-technology solutions.
• In phase with concrete, pragmatic and results-oriented environments.

Essential technical skills :

• Operating Kubernetes in production (incident diagnostics, upgrades, RBAC, K8s network).
• Linux administration and network fundamentals (TCP/IP, DNS, HTTP).
• GitOps/CI-CD (GitLab CI, Argo CD) and IaC (Terraform, Ansible).
• Observability (monitoring, logs, alerting) and incident management.
• Scripting (Bash, Python or equivalent).
• Notions of operational security (RBAC, secrets, WAF, hardening).

Technical Skills Plus/Abilities appreciated:

• AKS/Azure experience (App Gateway WAF, Monitor, Log Analytics).
• Harbor knowledge, Ceph, Fluentd/Loki.
• Windows/AD, Fortigate, BGP.
• VDI (VMware Horizon).

Knowledge of languages

• English: Intermediate
• French : Advanced

Soft Skills 

• Reliable, rigorous and methodical, with the ability to work effectively in demanding operational environments.
• Excellent service and communication skills, both with customers and internal teams.
• Team spirit, humility and a strong desire to learn continuously in order to develop skills and adapt to change.
• Good management of priorities, autonomy and a strong sense of responsibility, with the ability to follow up issues until they have been fully resolved.

Joining Cloud Temple means becoming part of a leading player in the trusted and sovereign cloud sector, at the heart of strategic technology projects.

• Work on high-stakes projects, both in France and internationally.
• Develop your expertise alongside recognised specialists, through training courses, live streams and events dedicated to AI, particularly on YouTube.
• Take the initiative in an agile environment that values autonomy, ideas and collaboration.
• Shape your career path through training opportunities, internal mobility and our employee referral scheme.
• Strike a balance between work and life thanks to our remote working arrangements and our RTT days.
• Enjoy tangible benefits: thanks to our Individual Social Assessment.

At Cloud Temple, you’re not just taking on a job. You’re joining a team of experts and contributing to projects that are shaping the sovereign cloud of the future.

Cloud Temple is committed to equal opportunities, diversity and inclusion. All applications are considered with equal care, in accordance with the principle of non-discrimination. This position is open to everyone, including people with disabilities.