Mission-critical systems · HPC · On-premise AI

SIXE.

We keep your mission-critical infrastructure stable and secure with IBM®, Red Hat®, Canonical®, SUSE® and Rocky Linux for as long as you need it, working directly with you and with 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, plus the storage that mission-critical systems need.Power · Linux · OpenStack · Ceph→ 02MigrationsVMware to Proxmox, Unix to Linux, CentOS to Rocky Linux and on-premise to OpenStack and OpenShift, without taking your services offline.VMware · Proxmox · OpenStack→ 03On-premise AI & HPCPrivate LLMs, AI agents and high-performance computing on your own infrastructure, with your data kept inside your data centre.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, wherever your servers are.24/7 · Power · AIX · Linux→ 06CybersecurityIT/OT security, SIEM, DLP and critical infrastructure protection with Sealpath, Wazuh and Medigate.IT/OT · SIEM · DLP→
Latest

What's new
at SIXE.

The latest we've published: new services, solutions and pages.

Featured IBM PowerSC – Real-time Security and MFA for AIX, Linux and IBMi With PowerSC you apply ZeroTrust for AIX, Linux and IBMi on Power and ensure regulatory compliance (GDPR, COBIT, PCI) in real time. View page →
Wazuh SIEM: deployment & professional support→ Rocky Linux Hardening: STIG and CIS, Audit-Ready→ CentOS 7 Extended Support: patches until 2028→ RLC Pro: Rocky Linux LTS, FIPS and support→ See all news →
Numbers

By the
numbers.

Over 90 companies rely on SIXE to run, migrate and train their teams on mission-critical infrastructure.

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

Consulting
OpenStackCephKubernetesLinuxStorageAIAutomationAIXIBM Power
& technical support.

Your infrastructure should be truly yours, with no vendor lock-in and no contracts nobody can follow. We work side by side with your team until they know their own technology inside out.

Meet the team →
No vendor lock-inWe build on open source so your infrastructure doesn't depend on any one vendor and stays under your control.
Direct engineeringThe engineer who picks up the phone is the one who fixes the problem, with no helpdesk in between.
Sustainable technologyWe extend the life of the hardware you already have instead of replacing it, so there's less waste and less spend.
Blog

Latest
articles.

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

SIXE is a CIQ partner: what changes for Rocky and CentOSNewsSIXE is a CIQ partner: what changes for Rocky and CentOS20 OCT 2026OWASP Top 10 for LLMs: the 10 AI security risks explainedNewsOWASP Top 10 for LLMs: the 10 AI security risks explained5 OCT 2026RAM Shortage: Why Servers Cost More and How Long It LastsNewsRAM Shortage: Why Servers Cost More and How Long It Lasts17 SEP 2026IBM Z Goes Dual-ISA: Arm, SAE and Binary TranslationNewsIBM Z Goes Dual-ISA: Arm, SAE and Binary Translation28 AUG 2026What is a requirements traceability matrix?NewsWhat is a requirements traceability matrix?25 AUG 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
Partners Are you a consultancy, integrator or MSP? Tiered discounts, deal registration and white-label delivery on Platinum. See the Partner Program →
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→
SIXE