Rafael Becker
IT Infrastructure &
SAP HANA Expert
Hands-on operation and stable run of enterprise IT infrastructure and SAP HANA systems.
Freelance · Remote-first · Enterprise experience · Operations & daily business


Stable operation of critical IT infrastructure
Reliable day-to-day operations for enterprise environments.
IT Security
OS-level security across Linux, Windows and SAP HANA, including patching and hardening.
Enterprise SAP & HANA operations
Running and maintaining large, productive SAP and SAP HANA systems.
Daily business & operations support
Continuous operations, monitoring and on-call availability by agreement.
20+ years
·IT infrastructure
12+ years
·SAP & SAP HANA operations
Long-term responsibility for stable, secure and productive systems.
How I Work
Hands-on & operational
Direct responsibility for daily operations, system stability and updates.
Structured & reliable
Clear processes, clean documentation and predictable execution.
Remote-first collaboration
Fully remote work with clear communication; on-site appointments by agreement.
Certifications
SAP Certified Technology Associate
SAP HANA 2.0 SPS06

Linux Professional Institute
LPIC-1
SUSE Certified Linux Professional
SUSE Linux Enterprise Server
Technologies & Platforms
SAP & Databases
- SAP NetWeaver
- SAP HANA
- SAP MaxDB
- Oracle
- IBM DB2
Enterprise SAP HANA Platforms
- HPE Superdome
- IBM Power Systems
- SGI UV
Operating Systems
- Linux (SUSE / SLES, RedHat, Debian)
- Windows Server
- IBM AIX (Power)
Infrastructure & Virtualization
- VMware vSphere
- SAN & Enterprise Storage
- Backup & Recovery
Backup & Data Protection
- IBM Spectrum Protect (TSM)
- Dell/EMC Networker
- Datadomain
Networking & Security
- TCP/IP
- Firewalls
- Network Segmentation
- OS-level security
- Patching
- Hardening
Operations & Monitoring
- Daily Operations
- Monitoring
- Troubleshooting
- On-Call / Early Shift
Cloud
- AWS
- Azure