Senior DevOps

3 days ago

Bucharest, Romania Blackfluo.ai Full time

Job DescriptionLocation: Fully remote, EU timezone (CET ±2 hours)Start date: ASAPLanguages: Fluent English is mandatoryIndustry: Cloud Computing / Web3 / AI European SaaSBlackfluo.ai is a fully remote company with teams located around the globe. We specialize in developing SaaS solutions for businesses and consulting firms. Our innovative AI assistant is designed to support daily operations by taking over repetitive and time-consuming tasks, allowing our clients to focus on what truly matters.If you're excited about working on ambitious projects in a dynamic and flexible environment, we'd love to hear from youProfessional Background:Were looking for someone with a strong foundation in Linux systems administration, paired with hands-on experience in managing both cloud-native and on-prem infrastructures. You've worked in fast-paced environments, ideally startups or hyper-growth contexts, and are used to handling infrastructure at scalehundreds of nodes across multiple sites.If youre autonomous, thrive in agile setups, and want to work on challenging infrastructure problems at scale, wed love to connect.Your Responsabilities:Maintain and support core infrastructure systems with deep knowledge of Linux (Debian/Ubuntu preferred).Work close to the metal: BIOS, IPMI, RAID setups, and hardware-level diagnostics are part of your comfort zone.Design and maintain scalable networks using VLANs, L2/L3 routing, VPNs, and especially UniFi equipment.Automate infrastructure provisioning and operations with Ansible, Bash/Python, and Git-based workflows.Set up and manage observability stacks, including Prometheus/Grafana for metrics and Graylog, ELK, or Loki for log centralization.Build tooling for server discovery, configuration auto-generation (PXE, Preseed/Cloud-init), and automated OS deploymentsincluding GPU readiness.Integrate and/or develop internal APIs for tracking compute and GPU resource allocation, as well as external APIs (billing, monitoring, OpenStack, etc.).Deploy and maintain virtualization and orchestration systems such as OpenStack (preferably with Kolla-Ansible), Proxmox VE, or VMware ESXi.Support container-based workloads and isolate services efficiently.What You Bring:Expert-level Linux administration (preferably Debian/Ubuntu).Strong networking fundamentals: VLANs, routing, VPN, etc.Infrastructure as Code (Ansible), scripting (Bash/Python), GitOps.Experience with monitoring and logging tools like Prometheus, Grafana, ELK/Graylog.Comfort with custom deployment automation (PXE, Preseed, MAAS/Ironic).Familiarity with resource tracking, API integrations, and dashboard development.Proven experience with OpenStack, Proxmox, VMware, and container orchestration.Nice To HaveFamiliarity with firewall rules, access control, and security policies.Experience with Cloudflare API for DNS management and tunnel setups.IT asset management or software license tracking exposure is a plus.Why Join Us:A European tech startup on a mission to reinvent cloud infrastructure through decentralization. By combining modular data center architecture with advanced automation, the goal is to deliver a sovereign, energy-efficient, and high-performance alternative to traditional cloud providers.Expect a dynamic, challenge-driven work environment where autonomy and problem-solving are encouraged. Every contribution has a direct impact on the success of a bold and forward-thinking project.

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