Kubernetes Platform Engineer

flextoninc

$208K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6-8+ years of relevant experience in Kubernetes environments
  • Hands-on expertise with K3s/RKE2 and cloud platforms like GKE/EKS
  • Proficient in Linux networking including TCP/IP, DNS, and routing
  • Familiarity with GitOps tools such as ArgoCD or Flux
  • Scripting skills in Bash, Python, or Go
  • Experience managing Kubernetes security practices
  • Cloud proficiency in Google Cloud Platform (GCP) and Amazon Web Services (AWS)

Responsibilities

  • Manage the full lifecycle of Kubernetes clusters across hybrid infrastructure
  • Perform system upgrades, patching, and capacity planning for Kubernetes environments
  • Troubleshoot performance and control plane issues in Kubernetes
  • Ensure etcd health and establish backup and disaster recovery processes
  • Deploy and maintain Cilium CNI across various environments
  • Design and implement secure networking policies for multi-tenant clusters
  • Support and enable internal developers with their Kubernetes workloads

Benefits

  • Flexible remote work options
  • Opportunities for professional development and training
  • Collaborative team environment with cutting-edge technology
  • Access to resources and tools for efficient project execution
  • Engagement with a specialized team focused on developer enablement
Full Job Description
Kubernetes Platform Engineer

📍 Location: Berkeley, CA/Remote
💰 Pay Rate: $100/hr on W2

About the Team

The Platform Engineering team is a specialized group within a Systems & Software organization, focused on streamlining the software development lifecycle. The team builds and maintains platform systems like GitLab, Ansible, and Kubernetes, supporting both on-prem and cloud environments across Google Cloud Platform (GCP) and Amazon Web Services (AWS).

Role Overview

We're looking for a hands-on Kubernetes Platform Engineer to manage and optimize Kubernetes environments across hybrid infrastructure. This role combines deep infrastructure expertise with developer enablement, supporting both on-prem clusters (K3s/RKE2) and cloud platforms (GKE/EKS).

Key Responsibilities

🔧 Cluster Operations & Administration
  • Manage full Kubernetes lifecycle (K3s/RKE2, GKE, EKS)
  • Perform upgrades, patching, scaling, and capacity planning
  • Troubleshoot control plane, node, and performance issues
  • Maintain etcd health, backups, and disaster recovery
  • Implement security hardening aligned with CIS benchmarks

Networking & Cilium
  • Deploy and maintain Cilium CNI across environments
  • Design secure network policies for multi-tenant clusters
  • Troubleshoot DNS, service discovery, and connectivity issues
  • Configure BGP peering and integrate with physical infrastructure

🚀 Developer Platform & Enablement
  • Support internal developer platform (Backstage-style)
  • Help teams deploy and troubleshoot Kubernetes workloads
  • Define secure container image practices with security teams
  • Build documentation, runbooks, and self-service tools

Required Qualifications
  • 6-8+ years of relevant experience
  • Strong hands-on Kubernetes (on-prem: K3s/RKE2 required)
  • Experience with GKE and/or EKS
  • Solid Linux networking knowledge (TCP/IP, DNS, routing, iptables)
  • Experience with GitOps tools (ArgoCD / Flux)
  • Scripting skills (Bash, Python, or Go)
  • Experience with Cilium or similar CNI
  • Kubernetes security (RBAC, Pod Security, secrets management)
  • Cloud experience in GCP and/or AWS

Preferred Qualifications
  • Go programming (operators/tooling)
  • CKA / CKS certification
  • BGP & advanced networking knowledge
  • IPv6 experience
  • Terraform / Ansible (IaC)
  • Experience with Backstage or similar IDP tools
  • Service mesh (Istio, Linkerd)
  • Familiarity with GitHub / GitLab workflows

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