System Engineer – Bare Metal

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Maintain and provide support for core infrastructure systems, demonstrating extensive knowledge of Linux (preferably Debian/Ubuntu).

• Work closely with hardware components: BIOS, IPMI, RAID configurations, and hardware diagnostics are well within your expertise.

• Design and uphold scalable networks utilizing VLANs, L2/L3 routing, VPNs, and particularly UniFi equipment.

• Automate infrastructure provisioning and operations using Ansible, Bash/Python, and Git-based workflows.

• Establish and manage observability frameworks, including Prometheus/Grafana for metrics and Graylog, ELK, or Loki for centralized logging.

• Create tools for server discovery, configuration auto-generation, automated OS deployments, PXE/Preseed/Cloud-init, and robust MAAS-based provisioning.

• Integrate and/or develop internal APIs for monitoring compute and GPU resource allocation, along with external APIs (billing, monitoring, OpenStack, etc.).

• Deploy and sustain virtualization and orchestration systems such as OpenStack (preferably using Kolla-Ansible), Proxmox VE, or VMware ESXi.

• Provide support for container-based workloads and efficiently isolate services.

⛳️ Requirements

• Expert-level proficiency in Linux administration (preferably Debian/Ubuntu).

• Strong experience in MAAS / Ironic / bare-metal automation (mandatory).

• Solid understanding of networking fundamentals: VLANs, routing, VPNs.

• Proficiency in Infrastructure as Code (Ansible), scripting (Bash/Python), and GitOps methodologies.

• Experience with monitoring and logging tools such as Prometheus, Grafana, ELK/Graylog.

• Comfort with custom deployment automation techniques (PXE, Preseed, MAAS/Ironic).

• Familiarity with resource tracking, API integrations, and dashboard creation.

• Proven experience with OpenStack, Proxmox, VMware, and container orchestration technologies.

🏝️ Benefits

• Health insurance

• Flexible working hours

• Professional development opportunities