Senior Site Reliability Engineer (Remote)

Responsibilities

• BMCs, hardware and MAAS provisioning
• Operate and maintain large-scale
• Linux infrastructure
• MAAS-based bare-metal provisioning, including region/rack controllers, PXE, commissioning, cloud-init, node lifecycle, and API/CLI automation.
• Operate and maintain
• production Kubernetes clusters, including upgrades, node pools, networking, storage, troubleshooting, and cluster lifecycle management.
• Design and maintain multi-site networking across
• VLANs, L2/L3 routing, bonded interfaces, VPNs, firewalls, and DNS
• Automate infrastructure provisioning and operations using
• Ansible, Bash/Python, OpenTofu/Terraform, and Git-based workflows
• Build and maintain automated deployment workflows including
• PXE, cloud-init, and infrastructure-as-code pipelines
• Operate observability platforms using
• Prometheus, Grafana, Alertmanager, VictoriaMetrics/VictoriaLogs, and related tooling.
• Define and improve
• SLIs, SLOs, alerting, and reliability practices
• across infrastructure and platform services.

Lead infrastructure

• incident response, troubleshooting, escalation, and post-incident improvements
• Maintain on-call processes and operational coverage across distributed environments.
• Work close to the hardware layer, including
• IPMI/Redfish, BMCs, RAID, storage, hardware diagnostics, and GPU infrastructure
• Manage virtualization platforms including
• Proxmox VE and KVM/libvirt, including GPU passthrough where required.
• Build and maintain internal infrastructure tooling for
• host discovery, configuration, IPAM, hardware health, and operational automation

Own infrastructure lifecycle activities including

• site onboarding, maintenance, decommissioning, drift detection, and operational runbooks
• Work closely with engineering and cross-functional teams to improve reliability, resource utilization, and operational efficiency.

Requirements

• 5+ years of hands-on SRE, Infrastructure, Systems, or Platform Engineering experience.

Expert-level

• Linux administration, particularly Debian/Ubuntu.
• Strong production experience with, including cluster lifecycle, networking, storage, upgrades, and troubleshooting.
• Strong networking fundamentals and practical experience with
• VLANs, L2/L3 routing, bonding, firewalls, VPNs, and DNS

Preferred

• Cloudflare APIs, DNS automation, or tunnels
• Go experience, particularly for infrastructure tooling or custom exporters.
• Ceph or distributed databases

Location

Fully remote, EU timezone (CET ±2h)

Languages

Fluent English required

Industry

Cloud Computing / GPU Infrastructure

About the Opportunity

Pragmatike is hiring a

Senior SRE / Infrastructure Engineer to help operate and scale a distributed infrastructure platform spanning bare-metal GPU nodes, Kubernetes, virtualization, networking, and multi-site environments

You’ll work close to the infrastructure itself, from through Kubernetes, networking, observability, automation, and site operations.

This is a hands-on role for someone who enjoys owning infrastructure end-to-end, building reliable systems, and automating everything that can be automated. Startup or hyper-growth experience is a strong plus: autonomy, ownership, and speed matter here.

What You’ll Do

• across Debian/Ubuntu-based bare-metal and virtualized environments.
• Own

What We’re Looking For

• MAAS and bare-metal provisioning
• Expert-level, hands-on experience operating
• Kubernetes in production
• Strong automation skills with
• Ansible, Bash and/or Python

Experience with

• Terraform/OpenTofu and Git-based infrastructure workflows
• Production experience with
• Prometheus/Grafana and comparable observability platforms

Experience with

incident response, on-call operations, monitoring, alerting, and reliability practices

Experience with

Proxmox, KVM/libvirt, VMware, or comparable virtualization technologies

Experience with

• bare-metal hardware, BMCs, IPMI/Redfish, storage, and hardware troubleshooting
• Strong understanding of distributed systems, container orchestration, and infrastructure reliability.
• Ability to create

SOPs, runbooks, and operational processes from scratch

Comfortable working autonomously in a fast-paced, engineering-driven environment.

Experience operating

• GPU infrastructure or GPU-heavy Kubernetes/bare-metal environments.
• Proxmox VE with

ZFS/Ceph and GPU passthrough

• VictoriaMetrics / VictoriaLogs or similar large-scale observability platforms.
• NetBox or other IPAM / infrastructure inventory platforms.
• Vault, SOPS, Atlantis, or similar infrastructure security and automation tooling.

Experience with

UniFi or comparable site networking platforms.

Experience with

service mesh or advanced CNI implementations

Experience with

• running on bare metal.
• Experience operating infrastructure across multiple sites and timezones.

Why Join Us

100% remote with flexible working hours

High-impact role with significant technical ownership and autonomy

Work directly with bare-metal, Kubernetes, networking, and GPU infrastructure

International, engineering-driven team

Strong focus on automation, reliability, and infrastructure at scale

Opportunity to shape the architecture and operational foundations of a growing cloud platform

Pragmatike is committed to a fair, transparent, and inclusive recruitment process. We do not discriminate based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.

In accordance with GDPR, your personal data will be processed lawfully, fairly, and securely, and used solely for recruitment purposes, including sharing it with our client(s) for employment consideration.