Kubernetes Administrator

About the position

Location: Remote Contract Duration: 6 months Contract details: B2B/ PFA or SRL Role Overview We are looking for a Senior Kubernetes Administrator to architect, operate, and continuously improve mission-critical Kubernetes platforms with strict availability and reliability requirements ( 99.95%+ uptime SLAs ). This role owns the end-to-end Kubernetes platform, from control-plane architecture and multi-region resilience to security, automation, observability, and operational excellence. Key Responsibilities Kubernetes Architecture & Operations Architect, operate, and scale highly available Kubernetes clusters meeting 99.95%+ uptime SLAs . Design and manage multi-region, multi-zone Kubernetes clusters , including: zero-downtime upgrades blue/green control-plane rollouts surge-based node rotations Deeply understand and optimize Kubernetes internals , including: API Server performance design and tuning based on NFRs etcd clustering, backup, compaction, and disaster recovery scheduler optimization and custom scheduling strategies Advanced Troubleshooting & Incident Management Lead advanced troubleshooting of: control-plane failures node instability networking and storage issues complex, multi-layer platform incidents Act as a senior escalation point for critical production issues. Platform, Networking & Storage Operate AKS or native Kubernetes platforms at enterprise scale. (Nice to have) Experience with bare-metal Kubernetes , including: Cilium Load Balancer BGP-based networking node pool design Own stateful Kubernetes workloads , including: StatefulSets highly available CSI backends storage performance tuning and I/O optimization Infrastructure as Code & GitOps Lead Infrastructure as Code (IaC) and GitOps strategies using: Terraform Helm Kustomize Implement declarative cluster configuration with Argo CD . Automate cluster creation, policy enforcement, compliance scanning, and drift remediation. CI/CD & Automation Build and maintain enterprise-grade CI/CD pipelines with advanced security controls using: Azure DevOps GitHub Actions Integrate CI/CD pipelines with Kubernetes platforms for secure, reliable delivery. Security & Identity Implement and enforce enterprise-grade Kubernetes security frameworks , including: Zero Trust architectures workload identity mutual TLS signed container images Enforce Pod Security Standards (PSS) and NetworkPolicies , including eBPF-based policy tracing. Integrate Kubernetes clusters with corporate identity systems (OIDC, Azure AD, IAM). Manage secrets lifecycle using: HashiCorp Vault Azure Key Vault SOPS Implement admission control using: OPA Gatekeeper Kyverno Observability & Reliability Engineering Own the full monitoring and observability stack , including: Prometheus Grafana Design and operate high-throughput logging pipelines using Loki . Implement distributed tracing and root-cause analysis with OpenTelemetry . Define, measure, and report: Service Level Indicators (SLIs) Service Level Objectives (SLOs) error budgets reliability dashboards Required Skills & Experience Senior-level experience operating production Kubernetes platforms at enterprise scale Deep expertise in Kubernetes internals and control-plane architecture Strong hands-on experience with AKS or native Kubernetes Advanced knowledge of Kubernetes networking, storage, and security Proven experience with IaC, GitOps, and CI/CD automation Strong troubleshooting skills in complex, distributed systems

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