Hüseyin Ozan Tok

SAP Basis tasks for ABAP and JAVA stacks. System Copy, Client Copy. Support Pack Stack Updates. SAP Webdispatcher Installation and Configurations Level 3 Support

Mercedes-Benz Türk Global IT Solutions Delivery Center Istanbul, Turkey Senior SAP Basis Technical Consultant SAP OS migration from HP unix to suse linux. SAP Basis tasks for abap and java stacks. SAP SSO with saml2, kerberos and certificates.

- SAP Basis Administration with Oracle on AIX and HANA.Update/upgrade of Oracle and HANA.EHP(Enhancement Package) of SAP CRM 7.01, SPS(Support Pack Stack) update of SAP BW ,PI, Portal and solution manager .

- Administration of Public Certificate Authority Infrastructures (E-GUVEN) and RSA Digital Certificate Management Applications with ISO 27001 specifications. RSA Certification, Registration, and Validation Managers installation, upgrade/migration and backup with TSM. Ncipher/Thales HSM ( Hardware Security Module)

- Oracle Lİnux( and Oracle DBMS installation and configuration , materialized views.HA architecture with exports/imports, rsync with virtual machines on remotes. - Development of vehicle track sofware with C and google maps plugin on Java for and vehicle tracking device. - Apache Web Server, Apache reverse proxy, Squid Proxy administration and management.

- Penetration Testing, auditing and Security Assesments of unix systems and networks. Solving system and network problems 24 hours. Implementation of Certification Authority, digital IDs and keeping and distributing the digital certificates via open LDAP.. - Designing and implementing network infrastructure for public Internet access of e-commerce servers.The undelying operating systems were sun solaris and linux.