OpenSky DevSecOps Engineer

Thales is a global technology leader trusted by governments institutions and enterprises to tackle their most demanding challenges. From quantum applications and artificial intelligence to cybersecurity and 6G innovation our solutions empower critical decisions rooted in human intelligence. Operating at the forefront of aerospace and space cybersecurity and digital identity were driven by a mission to build a future we can all trust.

Whom We Are Looking For

We are seeking a highly skilled and motivated DevOps engineer specializing in Kubernetes to join our team to design implement and manage our container orchestration (aka OpenSky) platforms for the next generation of Air Traffic Management Systems. The ideal candidate has deep expertise in Kubernetes internals automation and observability and is passionate about enabling development teams to deliver applications reliably and securely at scale.

The candidate would be working in an agile squad in software delivery led by the OpenSky Architect.

Responsibilities:

• Cluster Management and Operations
  • Deploy upgrade and manage Kubernetes clusters across an Azure based cloud and on-prem environments.
  • Ensure high-availability and disaster recovery of Kubernetes workloads
  • Manage cluster lifecycle using tools like Cluster API kubeadm or managed services.
• Workload Deployment & Automation
  • Define and manage Helm charts kustomize overlays or GitOps pipelines (ArgoCD FluxCD).
  • Automate application deployments scaling and rollbacks with Kubernetes native patterns.
  • Design CI/CD pipelines that integrate seamlessly with Kubernetes
• Networking & Security
  • Configure Kubernetes networking (CNI plugins like Cillium Calico Multus).
  • Implement Ingress Service Mesh (Istio Linkerd) and API gateway solutions.
  • Apply security best practices including RBAC Pod Security Standards network policies and secrets management (e.g. Vault Sealed Secrets)
• Observability and Reliability
  • Implement monitoring logging and alerting (Prometheus Grafana Loki OpenTelemetry)
  • Conduct Performance tuning and capacity planning for clusters and workloads
  • Establish SLOs SLIs and error budgets in collaboration with development teams Release Train Engineers Product Owners
• Infrastructure as Code & Automation
  • Provision Kubernetes clusters and underlying infrastructure using Terraform/OpenTofu Pulumi
  • Manage configuration drift with GitOps practices
  • Automate cluster upgrades patching and compliance enforcement
• Collaboration & Culture
  • Partner with developers to design cloud-native applications aligned with Kubernetes bet practices
  • Support Agile Release Trains and DevSecOps culture by promoting self-service platforms.
  • Provide guidance and mentorship on Kubernetes to engineers across the organization.

Requirements:

Education

• Bachelors in Computer Science or Information Technology
• Recognized Engineering degree

Essential Skills/Experience

• Proven hands-on experience with Kubernetes (2 years in production)
• Strong knowledge of containerization (Docker OCI images) and registries.
• Experience with cloud providers (AWS Azure GCP) or hybrid Kubernetes environments
• Proficiency in IaC tools (Terraform Helm ArgoCD).
• Solid understanding of Linux systems networking and security.
• Good communication skills in English.

Desirable Skills/Experience

If you have the following desirable skills and relevant experiences it would be an added advantage!

• Relevant certifications such as Certified Kubernetes Administrator (CKA) or Certified Kubernetes Security Specialist (CKSS) Certified Kubernetes Application Developer (CKAD).
• Experience with Service Meshes (Istio Linkerd Consul).
• Familiarity with multi-cluster multi-tenant or edge Kubernetes deployments.
• Knowledge of FinOps and cost optimization for Kubernetes workloads.

Essential / Desirable Traits

• Possess learning agility flexibility and pro-activity
• Comfortable with agile teamwork and user engagement

At Thales were committed to fostering a workplace where respect trust collaboration and passion drive everything we do. Here youll feel empowered to bring your best self thrive in a supportive culture and love the work you do. Join us and be part of a team reimagining technology to create solutions that truly make a difference for a safer greener and more inclusive world.