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K3S Engineer

K3S Engineer

Datum Technologies GroupPortland, OR, United States
12 days ago
Job type
  • Full-time
Job description

K3s Engineer

Location : Portland, Oregon

Position Overview

The K3s Engineer will play a key role in managing and deploying Kubernetes (K3s) clusters across hybrid infrastructures including x86, ARM, and specialized accelerator environments. This position ensures that multi-node configurations are consistently provisioned, operated, and maintained to support declarative, GitOps-driven deployments. The role provides the technical foundation for higher-level PaaS services and developer self-service initiatives within Converix's platform.

Key Responsibilities :

Cluster Provisioning & Configuration

  • Deploy and configure K3s clusters across heterogeneous hardware (bare metal, ARM / x86 nodes, accelerators).
  • Manage hybrid, multi-node topologies (single-node edge clusters, dual-node HA, multi-node deployments).
  • Define and maintain consistent OS images, networking, and storage configurations across nodes.

Declarative Deployment Enablement

  • Implement GitOps workflows for declarative application management using tools such as ArgoCD or Flux .
  • Define, validate, and manage Kubernetes manifests, Helm charts, and CRDs.
  • Automate application and infrastructure lifecycle management through declarative pipelines.
  • Operations & Reliability

  • Monitor and maintain cluster health, including networking, storage, and node availability.
  • Implement self-healing, scaling, and failover strategies for hybrid deployments.
  • Develop and maintain backup / restore, upgrade, and security hardening processes.
  • Integration & Hybrid Architecture

  • Enable interoperability across ARM and x86 nodes within hybrid deployments.
  • Configure workloads to leverage specialized accelerators (GPUs, DPUs, FPGAs).
  • Ensure consistent declarative workflows regardless of underlying hardware architecture.
  • Collaboration & Documentation

  • Collaborate with DevOps, SRE, and PaaS teams to align K3s cluster deployments with platform goals.
  • Document cluster provisioning, deployment flows, and operational playbooks.
  • Provide training to internal teams on hybrid K3s management and declarative deployment practices.
  • Mandatory Skills & Proficiencies

  • Proven hands-on experience with K3s / Kubernetes deployment and lifecycle management.
  • Deep understanding of multi-node hybrid clusters across x86 , ARM , and accelerator architectures.
  • Strong proficiency with GitOps tools (ArgoCD, Flux) and declarative deployment workflows.
  • Experience with container runtimes ( containerd , CRI-O , Docker ).
  • Proficiency in Linux OS , CNI networking , and CSI storage provisioning.
  • Experience with Infrastructure-as-Code tools (Terraform, Ansible, Helm).
  • Strong debugging and troubleshooting skills for cluster bring-up, networking, and workload scheduling.
  • "All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran"

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    Engineer • Portland, OR, United States

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