Infrastructure Engineer | Pune & Noida Location

Airtel Digital; Dadri; On-site; INR 2,800,000 - 5,200,000; Full time

Job summary

Airtel Digital in India seeks a Kubernetes Developer Engineer to design, develop, and maintain scalable Kubernetes solutions and cloud-native applications across hybrid/multi-cloud environments.

You will architect operators, controllers, and microservices, lead code reviews, mentor teammates, and drive DevOps practices with IaC, CI/CD, and security—empowering reliable, scalable container platforms.

Qualifications

• 4+ years software development experience
• 3+ years Kubernetes production experience
• 2+ years operators/cloud-native development
• Advanced Go proficiency essential
• Strong knowledge of RBAC, networking, and security in Kubernetes

Responsibilities

• Develop Kubernetes operators using Kubebuilder/Operator SDK, implement CRDs, lifecycle management, Helm charts and ClusterResourceSets
• Architect microservices with Kubernetes primitives and multi-container Pods
• Design production clusters, networking solutions, RBAC, security policies, autoscaling, cost optimization
• Image scanning, runtime security, admission control, secrets management, supply chain security
• Istio/Linkerd service mesh, traffic management, distributed tracing, Prometheus monitoring
• CI/CD integration with ArgoCD/Flux, infrastructure-as-code (IaC)
• Build and automate CI/CD pipelines for containerized apps, including testing and security
• Persistent storage solutions, database operators, backup/recovery, data replication
• Code reviews, mentoring, incident response, documentation, open-source contributions
• Use Terraform/Ansible to manage infrastructure provisioning and configuration

Skills

Go (Golang)

Kubernetes

Distributed systems

Tools

Kubebuilder/Operator SDK

Helm

ArgoCD

Terraform

Ansible

Docker

Jenkins

Job description

Role Overview

Kubernetes Developer Engineer designing, developing, and maintaining scalable Kubernetes solutions and container orchestration platforms. Architect operators, controllers, microservices, and cloud-native applications managing containerized workloads at scale across hybrid/multi-cloud environments

2. Responsibilities & Accountabilities

• Operators & Controllers: Develop Kubernetes operators using Kubebuilder/Operator SDK, implement CRDs, build lifecycle management systems, create helm charts and ClusterResourceSets.
• Cloud-Native Apps: Architect microservices with Kubernetes primitives, implement resilience patterns, multi-container Pods
• Cluster Infrastructure: Design production clusters, networking solutions, RBAC, security policies, autoscaling, cost optimization
• Container Security: Image scanning, runtime security, admission control, secrets management, supply chain security
• Service Mesh & Observability: Istio/Linkerd , Advanced traffic management implementation, distributed tracing, Prometheus monitoring, anomaly detection
• DevOps & GitOps: CI/CD integration, ArgoCD/Flux deployment, infrastructure-as-code, Ansible, Terraform, automated testing, progressive delivery
• Build and automate CI/CD pipelines for containerized applications, integrating testing, security, and deployment workflows
• Storage & Data: Persistent storage solutions, database operators, backup/recovery, data replication, multi-cluster sync
• Leadership: Code reviews, mentoring, incident response, documentation, open-source contributions
• Use Infrastructure as Code tools (e.g., Terraform/Ansible / CAPI) to manage and automate infrastructure provisioning and configuration.

3. Required Qualification

• Experience: 4+ years software development | 3+ years Kubernetes production | 2+ years operators/cloud-native development
• Language: Advanced Go (Golang) proficiency - primary Kubernetes ecosystem language
• Kubernetes: Expert knowledge of API, architecture, Pods, Deployments, StatefulSets, DaemonSets, Jobs, CRDs, operators, controllers, webhooks, RBAC, networking, storage, security, gateways, Octavia loadbalancer,
• Containers: Docker, containerd, CRI-O, image scanning, registry management, container security
• Networking: CNI plugins (Calico, Cilium), network policies, service mesh (Istio, Linkerd), ingress controllers
• Cloud Platforms: AWS EKS, Azure AKS, GCP GKE, managed services, cloud IAM integration DevOps: Terraform, Helm, GitOps (ArgoCD, Flux), CI/CD (Jenkins, GitHub Actions), infrastructure-as code
• Observability: Prometheus, Grafana, ELK, distributed tracing (Jaeger), custom metrics, monitoring
• Microservices: Architecture patterns, distributed systems, resilience patterns, gRPC, API design
• Testing: Unit, integration, end-to-end testing, chaos engineering, performance testing