Cloud Consultant

6 days ago

Karachi, Sindh, Pakistan Astera Software, Inc. Full time
Job Summary

At Astera Software, we're building the next generation of data solutions that empower businesses worldwide. To accelerate our mission, we're looking for a Cloud Infrastructure Consultant with deep expertise in Azure, Kubernetes, and .NET microservices to help us scale, optimize, and secure our cloud-native platforms. If you're someone who thrives at the intersection of infrastructure, automation, and application performance, this role is for you.

What You\'ll Do
  • Automate Azure AKS clusters and node pools with IaC (Helm, Bicep/Terraform, GitHub Actions).
  • Build release pipelines, set up staging & automatic regression tests.
  • Operate AKS at scale: HPA/KEDA + VPA tuning, node auto-provisioning, cost-driven rightsizing.
  • Implement L7 routing with Application Gateway for Containers, AGIC, and Istio/Envoy session affinity.
  • Harden clusters (RBAC, PodSecurity, Azure AD Workload Identities, Key Vault secret injection).
  • Optimize .NET and gRPC workloads: GC heap limits, connection pooling, Service Bus batching, parallelism.
  • Instrument everything: Prometheus + Grafana, Azure Monitor, custom metrics, alert rules tied to SLOs.
  • Lead load tests, capacity planning, incident response, and post-mortems.
What You\'ll Need
  • 5+ yrs building cloud-native solutions on Azure; deep AKS internals knowledge.
  • Fluent with Kubernetes primitives, Helm templating, and advanced networking (CNI, network policies).
  • Strong .NET Core microservices & messaging (Azure Service Bus/Event Hubs).
  • Autoscaling expertise (HPA, KEDA ScaledObjects/ScaledJobs, queue-based throttling).
  • Solid grasp of Envoy/Istio concepts, ingress controllers, DNS, TLS, and L4/L7 traffic shaping.
  • PowerShell & Bash scripting; container build optimization with Docker BuildKit.
  • CI/CD with GitHub Actions or Azure Pipelines, artifact promotion, and rollback strategies.
  • Hands-on production experience managing mission-critical workloads and knowledge of multi-tenant SaaS design and scaling strategies would be a plus
Typical stack
  • Azure AKS
  • Helm
  • KEDA
  • Prometheus/Grafana
  • Application Gateway (AGIC)
  • Istio/Envoy
  • Azure SQL & Cosmos DB
  • Service Bus
  • .NET 8
  • GitHub Actions
  • Terraform/Bicep
  • PowerShell

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