Mission-critical systems · HPC · On-premise AI

SIXE.

We keep your mission-critical infrastructure stable, secure and optimised using IBM®, Red Hat®, Canonical® and SUSE® — for as long as you need. Direct engineering support — no middlemen.

Mission-critical · HPC · AI · Migrations · Training
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Engineering team available now · Mon–Fri 8:30–16:30 GMT+1
IT infrastructure consultingMission-critical · HPC · AIOpenStack · Ceph · Kubernetes · Linux · IBM Power
LanguagesEnglish · Español · FrançaisEurope · Americas · Middle East · Africa
Track record+30,000 consulting hours · +90 clients · +15 years experience

Technology partners

Services

Hardware
& software.

IT infrastructure consulting for mission-critical systems: enterprise hardware and software, migrations, on-premise AI and HPC, certified training, 24/7 server maintenance and cybersecurity.

01Enterprise hardware & softwareIBM Power11, LinuxONE, FlashSystem, Dell and Lenovo servers. Linux, OpenStack, Ceph, Kubernetes, OpenShift, Proxmox and AIX. Full stack and storage for mission-critical systems.Power · Linux · OpenStack · Ceph→ 02MigrationsVMware to Proxmox, Unix to Linux, on-premise to OpenStack and OpenShift. Realistic open source migrations with zero downtime.VMware · Proxmox · OpenStack→ 03On-premise AI & HPCPrivate LLMs, AI agents and high-performance computing on your own infrastructure. No data leaves your network.LLM · HPC · Agents→ 04TrainingIBM, Canonical, open source and custom training. Online and in-company, in English, Spanish and French.IBM · Canonical · Open Source · Custom→ 05Mission-critical support24/7 server maintenance for IBM Power, AIX, Linux, Ceph and enterprise storage. Worldwide coverage.24/7 · Power · AIX · Linux→ 06CybersecurityIT/OT security, SIEM, DLP and enterprise critical infrastructure protection. Sealpath, Wazuh and Medigate.IT/OT · SIEM · DLP→
Numbers

By the
numbers.

Over 90 enterprises trust SIXE to operate, migrate and train their teams on mission-critical infrastructure.

+30KHours of IT consulting and training delivered
+90Active clients across Europe, Americas and beyond
+500Projects completed
Trusted by
and many more →
Why SIXE

Consulting
OpenStackCephKubernetesLinuxStorageAIAutomationAIXIBM Power
& technical support.

Your infrastructure must be truly yours. No vendor lock-in, no middlemen, no contracts you don't understand. We work side by side with your team so you master your technology, not the other way around.

Meet the team →
No vendor lock-inOpen source because your infrastructure should be independent. Technology you control, not the vendor.
Direct engineeringThe engineer who picks up the phone is the one who solves the problem. No helpdesks, no escalations.
Sustainable technologyWe optimise and reuse your existing hardware instead of replacing it. Less waste, lower cost, same performance.
Blog

Latest
articles.

Technical analysis, hands-on guides and news about the technologies we work with. View all articles →

Storage Scale vs Ceph for AI Inference: How to ChooseNewsStorage Scale vs Ceph for AI Inference: How to Choose8 MAY 2026IBM Fusion & NVIDIA Blackwell: storage for AI on-premisesNewsIBM Fusion & NVIDIA Blackwell: storage for AI on-premises7 MAY 2026Still on Informix 12.10? You need to read thisNewsStill on Informix 12.10? You need to read this27 APR 2026Ceph Object Storage vs IBM COS: Migration Guide (2026)NewsCeph Object Storage vs IBM COS: Migration Guide (2026)23 APR 2026IBM DataStage: What It Is, How It Works and Why It Still Matters in 2026NewsIBM DataStage: What It Is, How It Works and Why It Still Matters in 202621 APR 2026
Contact

Let's talk.

Mon–Fri 8:30–16:30 GMT+1.
24/7 emergency support available.

If you have a mission-critical system that cannot fail, this is the number to call.

Talk to SIXEWhatsApp
Engineering team available now
01Emailcontact@sixe.es→ 02Phone Europe+34 91 198 02 43→ 03Phone Americas+1 628 900 30 24→ 04Emergency support24/7→ 05The teamsixe.eu/about-us→