Experteer Overview In this role you own and operate Factorial’s self-hosted CI/CD Kubernetes platform end-to-end, spanning capacity, reliability, upgrades, security and cost. You will manage a large bare-metal Kubernetes fleet and GitHub Actions runners, optimizing build queues and runtimes to deliver faster engineer feedback. You’ll work closely with product teams to treat the platform as a product, driving improvements through data, IaC, and incident response. This is a hands-on, impact-driven role for scaling critical CI/CD infrastructure.

Compensaciones / Ventajas • Own and operate the CI/CD Kubernetes clusters end-to-end (capacity, reliability, upgrades, security, cost) • Run and optimize a self-hosted GitHub Actions platform with Actions Runner Controller and scale sets • Maintain fast data services for tests (MySQL, Redis, ClickHouse) • Design and tune build caches and registries to reduce queue wait and build time • Instrument the platform and set targets with metrics, dashboards and alerts • Manage infrastructure as code (Terraform, GitOps with Flux and Argo CD, Kustomize, Helm) • Provision and operate bare metal hardware and network across data centers • Lead incident response, blameless postmortems,



and implement runbooks or guardrails • Engage with engineers to improve workflows and build intuitive paths for users • Rightsize runner tiers and manage fleet capacity and cost • Upgrade clusters and controllers with minimal disruption • Collaborate with product engineers on slow workflows to drive improvements

Responsabilidades • 5+ years running production infrastructure with Kubernetes at center • Deep Kubernetes expertise (scheduling, requests/limits, evictions, node pressure, DaemonSets, controllers, operators) • Strong Linux and container fundamentals (containerd/Docker, cgroups, namespaces, storage, networking) • Terraform and IaC with state hygiene and modular design • CI/CD platform experience: shared workflows, templates, runner architecture, build caching • Proficiency with GitHub Actions, including self-hosted runners • Scripting: Bash; Python or Go • Observability with metrics/logs/traces, OpenTelemetry/Prometheus tooling • Operational maturity: on-call, incident response, postmortems • Capacity/cost awareness and ability to size a fleet • Clear written English • Note: no formal education requirement specified

Requisitos principales • office-first, flexible on-site presence (80% in office) • remote work support (20%) • high growth, multicultural environment • competitive ESOP plan • private health insurance • Wellhub perks (gym, pools, classes)

📌 Senior DevOps Engineer, CI/CD Platform (Developer Experience) (La Coruña)
🏢 Factorial Hr
📍 La Coruña