Senior Platform Reliability Engineer — Kubernetes & On-Prem

CXC; Polska; On-site; PLN 180,000 - 260,000; Full time

Job summary

CXC is seeking a hands-on engineer to own third-line escalations and improve a large-scale on‑prem and container platform. You will work across Linux, Kubernetes, compute, storage and networking, diagnosing failures, restoring service, and delivering tested fixes that prevent recurrence.

Responsibilities include building and operating Kubernetes clusters, improving observability, automating provisioning and health checks, and managing server lifecycles from imaging to return to service.

Qualifications

• Hands-on production experience in platform, infrastructure, DevOps or reliability engineering.
• Deep Linux systems administration and troubleshooting.
• Strong production Kubernetes administration including control-plane and worker lifecycle.

Responsibilities

• Own third-line escalations across the platform, tracing failures through the workload, container, scheduler, operating system, network and storage layers.
• Build, operate and improve Kubernetes clusters and shared platform services, including scheduling, registries, persistent storage and observability.
• Write and maintain production automation using Ansible, Python or Bash, Git and CI/CD or GitOps pipelines.
• Carry out server lifecycle operations from imaging and role assignment through patching, reprovisioning and return to service.

Skills

Platform engineering

Linux administration

Kubernetes administration

Incident ownership

Tools

Ansible

Python

Bash

Git

CI/CD

GitOps

Job description

CXC is seeking a hands-on engineer to own third-line escalations and improve a large-scale on‑prem and container platform. You will work across Linux, Kubernetes, compute, storage and networking, diagnosing failures, restoring service, and delivering tested fixes that prevent recurrence.

Responsibilities include building and operating Kubernetes clusters, improving observability, automating provisioning and health checks, and managing server lifecycles from imaging to return to service.