Senior Site Reliability Engineer

hace 5 días


Madrid, Madrid, España Pragmatike A tiempo completo

Job Description
Location:
Fully remote EU timezone (CET ±2h)

Start date:
ASAP

Languages:
Fluent English is mandatory

Industry:
Cloud Computing

We are hiring at Pragmatike to expand our team and drive the growth of our internal projects.

Our focus is on developing cutting-edge solutions in Cloud Computing, while fostering a culture of collaboration and innovation. Joining us means being part of a passionate team where your ideas and skills directly contribute to shaping tomorrows technologies.

If you're excited about working on ambitious projects in a dynamic and flexible environment, we'd love to hear from you

Responsabilities:

  • Operate and maintain Linux-based infrastructure (Debian/Ubuntu).
  • Deploy, manage, and scale Kubernetes clusters across bare-metal, virtualized, and on-prem environments.
  • Oversee full cluster lifecycle: upgrades, node pools, networking, storage, and security hardening.
  • Implement automation for provisioning and operations using Ansible, Bash/Python, and GitOps workflows.
  • Design and maintain networking architecture including VLANs, L2/L3 routing, VPNs, and multi-site connectivity.
  • Build automated deployment workflows (PXE boot, Preseed, cloud-init).
  • Deploy and maintain observability stacks (Prometheus/Grafana, Loki, ELK, Graylog).
  • Lead incident response activities, define SLOs/SLIs, and optimize alerting and monitoring pipelines.
  • Manage virtualization and orchestration layers (OpenStack, Proxmox, VMware).

Requirements:
Expert-level, hands-on experience operating Kubernetes in production environments.

  • Strong proficiency with Linux systems administration (Debian/Ubuntu).
  • Solid understanding of networking fundamentals (VLANs, routing, VPNs).
  • Experience building and maintaining automation workflows (Ansible, Bash/Python, Git-based).
  • Experience with observability stacks such as Prometheus, Grafana, ELK, Loki, or Graylog.
  • Background with virtualization technologies (OpenStack, Proxmox, VMware).
  • Strong understanding of distributed systems and container orchestration.
  • Ability to work autonomously in a fast-paced, engineering-driven environment.

Nice To Have:

  • Experience with service mesh (Istio, Linkerd) or advanced CNI implementations.
  • Knowledge of Cloudflare APIs, DNS automation, or tunnel configurations.
  • Experience with GPU infrastructure, node preparation, or resource scheduling.
  • Familiarity with security best practices (RBAC, firewalls, network policies).
  • Exposure to IT asset management or license tracking workflows.

Why Join Us:

  • 100% remote work with flexible hours
  • High-impact role with autonomy and ownership
  • Collaborative and international engineering team
  • Cutting-edge tech stack with strong focus on reliability and automation.

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