Need System Administration - Austin, TX

Role :: System Administrator with Nginx
Location: Austin, TX
Contract
Must Have Technical/Functional Skills

• Define the target reference architecture for greenfield AKS clusters along with engineering team and ensure how bluefield cluster remain undisruptive: control plane choices, private clusters, node pool strategy, upgrade/runway, and regional topology.
• Lead design for NGINX Azure Managed Gateway API: HTTPRoute/Gateway modeling, TLS/WAF strategy, policy attachments, and weighted/canary traffic for cutover.
• Architect kubenet Azure CNI (Cilium) migration with new clusters with Engineering team: IP planning, subnet sizing, pod density, surge capacity, cordon/drain and service-by-service move plan.
• Choose/validate dataplane features: Cilium network policy, kubeproxy replacement (if enabled), Hubble visibility, and implications on performance/SNAT.
• Standardize identity/secrets: Azure - Key Vault + CSI; cert lifecycle (Key Vault and/or Gateway API).
• Establish platform guardrails: Azure Policy, RBAC leastprivilege, multitenancy boundaries (namespace/project isolation).
• Define/Follow the GitHub standards: reusable workflows, CODEOWNERS, branch protections, environment approvals, and artifact provenance/signing.

• Own nonfunctional requirements: SLOs, HA/DR, capacity modeling, performance budgets, and failover patterns for ingress and data plane.

• Govern delivery: roadmap, cutover criteria, readiness gates; mentor Platform/DevOps on architectural compliance.

• Own the target platform architecture and cutover from NGINX Azure Managed Gateway API and kubenet Azure CNI (Cilium) using new clusters/existing cluster. Closely work with Engineering and operation team.

Roles & Responsibilities

• Required experience- AKS/Platform, strong Gateway API (prod ops), NGINX Azure Managed Gateway API migrations, and deep Azure CNI/Cilium networking (IP planning, subnetting, pod density)

• Define the target reference architecture for greenfield AKS clusters along with engineering team and ensure how bluefield cluster remain undisruptive: control plane choices, private clusters, node pool strategy, upgrade/runway, and regional topology.

• Lead design for NGINX Azure Managed Gateway API: HTTPRoute/Gateway modeling, TLS/WAF strategy, policy attachments, and weighted/canary traffic for cutover.

• Architect kubenet Azure CNI (Cilium) migration with new clusters with Engineering team: IP planning, subnet sizing, pod density, surge capacity, cordon/drain and service-by-service move plan.

• Choose/validate dataplane features: Cilium network policy, kubeproxy replacement (if enabled), Hubble visibility, and implications on performance/SNAT.

• Standardize identity/secrets: Azure - Key Vault + CSI; cert lifecycle (Key Vault and/or Gateway API).

• Establish platform guardrails: Azure Policy, RBAC leastprivilege, multitenancy boundaries (namespace/project isolation).

• Define/Follow the GitHub standards: reusable workflows, CODEOWNERS, branch protections, environment approvals, and artifact provenance/signing.

• Own nonfunctional requirements: SLOs, HA/DR, capacity modeling, performance budgets, and failover patterns for ingress and data plane.

• Govern delivery: roadmap, cutover criteria, readiness gates; mentor Platform/DevOps on architectural compliance..