09/12/2025 updated

OR
100 % available

SAP Basis Consultant with 11+ years experience in SAP systems administration

Warsaw, Poland
Only remote
BSc in Network and Information Systems
Warsaw, Poland
Only remote
BSc in Network and Information Systems

Profile attachments

CV_Oskar_Rozwadowski_EN.pdf

Technical SupportSAP ApplicationsSAP HANASAP PSSAP Solution ManagerTechnical DocumentationInstallation Technology
SAP Basis Administration
Comprehensive expertise in SAP system administration including installations, migrations, upgrades, patching, system copy/refresh, monitoring, and troubleshooting with over 11 years of experience.

Database Management
Specialized knowledge in SAP HANA (SAP HANA 2.0 SPS05 certified) administration along with experience in MS SQL and Oracle databases.

System Monitoring & Disaster Recovery
Advanced skills in SAP Solution Manager (EWA, monitoring, alerts) and disaster recovery testing, ensuring high availability and system performance.

Operating Systems
Proficient in Linux and Windows Server environments for SAP system hosting and administration.

Cloud Technologies
Basic experience with AWS/Azure cloud platforms for SAP implementations.

Technical Documentation
Strong capability in creating technical process documentation and update management processes for SAP environments.

IT Infrastructure
Background in general IT support, hardware/software troubleshooting, and network configuration.
 

Languages

EnglishFluentPolishNative speaker

Project history

SAP Basis Consultant

BOSCH Poland
Preparing SAP environments for upgrades, creating technical process documentation, establishing update management processes, and verifying systems after upgrades.

SAP Basis Consultant

FOSS Poland
Administration and maintenance of SAP systems (NetWeaver, HANA), patching, system refresh, DR tests, performance tuning, reporting and support for end-users and functional teams, creating technical documentation, on-call support.

SAP Basis Specialist

KMD Poland
SAP systems administration, support for end-users and SAP consultants, monitoring, EWA reports, troubleshooting.

SAP Basis Administrator

IBM Global Delivery Center
Maintenance and monitoring of SAP systems, routine operations, DR tests, support for migration projects.

Backup Administrator

IBM Global Delivery Center
Backup and restore configuration for enterprise environments.

Owner & IT Specialist

Logic Serwis
General IT support for clients (hardware/software issues, router and internet setup, IT consulting).

IT Administrator

Arnika Repro
Building and maintaining IT infrastructure, configuration and operation of company plotters.

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