Kubernetes SysOps Engineer (M/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 them

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.

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

• GitOps/CI-CD: GitLab CI, Argo CD.
• IaC/Automation: Terraform, Ansible; scripting Bash/Python.
• Registry & storage: Harbor; Ceph.
• OS & VDI: Linux (Debian/Ubuntu/RedHat), Windows (AD, RDS), VMware Horizon

Profile required

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

• Harbor knowledge, Ceph, Fluentd/Loki.
• VDI (VMware Horizon).

Knowledge of languages

• 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.