Arsys operates a mature cloud infrastructure business across hybrid, public, and private deployments, serving 1.4M active services primarily in Spain. The tech stack is heavily security and observability-focused (Splunk, Suricata, Microsoft Defender, Prometheus, Grafana, Icinga), reflecting the operational demands of managing multi-region cloud workloads and SOC responsibilities. With most hiring concentrated in support and security roles at senior/mid levels, the organization is scaling incident response and detection capabilities rather than product engineering—a pattern typical of infrastructure operators managing customer uptime at scale.
Arsys is a cloud infrastructure provider based in Logroño with regional offices across Spain. Founded in 1996, the company has evolved into a managed hosting and cloud services operator within the IONOS Group, which operates 32 global datacenters. Arsys delivers hybrid, public, and private cloud services alongside managed hosting, storage, and datacenter facilities. The business operates at significant scale: 1.4M active services are in production, and the organization maintains technical staff distributed across support, security, engineering, and operations to handle customer deployments, incident management, and infrastructure modernization.
Arsys uses AWS, Azure, and GCP across its deployments, alongside Kubernetes for container orchestration and Docker for containerization. The company also manages private cloud infrastructure through its own datacenters.
Current projects include SOC infrastructure expansion, deployment and maintenance of detection rules, cloud deployment and migration work, system upgrades, performance optimization, and UI design for new applications.
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