Mihai Ionescu verfügbar

Mihai Ionescu

SAP BASIS / HANA Administrator / Consultant

verfügbar
Profilbild von Mihai Ionescu SAP BASIS / HANA Administrator / Consultant  aus Hebertshausen
  • 85241 Hebertshausen Freelancer in
  • Abschluss: University POLITEHNICA of Bucharest, Telecommunications and networking software
  • Stunden-/Tagessatz: nicht angegeben
  • Sprachkenntnisse: deutsch (gut) | englisch (verhandlungssicher) | italienisch (gut) | rumänisch (Muttersprache)
  • Letztes Update: 08.05.2019
SCHLAGWORTE
PROFILBILD
Profilbild von Mihai Ionescu SAP BASIS / HANA Administrator / Consultant  aus Hebertshausen
DATEIANLAGEN
CV English
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Cover Letter
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Certifications
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SKILLS
  • SAP
  • SAP-Basis
  • Oracle-Administration
  • DBA Oracle
  • LINUX
  • Database Migration
  • SAP HANA
  • Sybase
  • Upgrades
  • SAP systems installations, upgrades and updates, migrations, tuning and troubleshooting for NetWeaver, ERP, HANA, CRM and SCM, TREX, DART configuration, Roles and authorizations concepts
  • Business Process Knowledge, Charm, Solman
  • Solution Manager integration of ABAP and Java based systems
  • SAP Oracle and Sybase specific administration, configuration and operations
  • SAP Certifications
ITIL advanced skills
  • System -Administration
  • SAP -Support
  • Suse Linux Enterprise Server
  • Windows Server
  • IT -Consulting
  • SOLMAN
  • Security
REFERENZEN
  • At BMW  Mihai was responsible for change and incident management, problem analysis and SAP basis level 2 support. He implemented changes and tasks according to BMW recommendations and specifications of different combinations of OS and DB. He played a major part in increasing the quality of the change and problem management for passing the BMW gate review. Daily work included performance topics and tuning on Oracle DB, system copies, migrations, installations and upgrades, SAP and 3rd party solution implementation and configuration (TREX, firefighter, MDM console, etc), scripting implementation and maintenance. He is part of the initial HANA team to lead the first BW Oracle system migration to HANA. Lead of HANA S/4 Provisioning team. 
  • At Archroma he was part of the incident team and was responsible of maintaining and supporting the rollout of new authorization concept as part of the new Rollout process. His work responsibilities included assuring the consistency of entire SAP landscape with regards to the authorization concept, implement and maintain transactions for specific users, solve critical authorization issues and apply strict security guidelines.
  • At VistaJet he proposed and delivered solutions that managed to maximize the value added for the client. In particular his main focuses areas were: Designing and implementing the Roles and authorizations model, ensure consistency in VistaJet landscape of authorization concept, implement and maintain transactions for specific users in the landscape, obey and apply strict security guidelines, assist and offer support in all major migration activities
  • At UNILEVER, Mihai was a key part of the NZDT team for the OS/DB migration using the NZDT Minimized Downtime Services – Oracle on AIX to DB6 on AIX. He was responsible for executing NZDT steps on MWB, sender and receiver. The daily tasks included source system checks and optimizations at database and operating system level, target system checks and optimizations at operating system level.
Also he offered outstanding 24x7 support for table investigations, transport monitoring and short dump analysis on the productive system for the entire period of the Go Live (including pre and post migration period).
  • At SCA Sweden, Mihai was the key person responsible for the BW OS/DB migration from Linux/Oracle to Linux/HANA of a three system landscape. His work included project planning, performing general preparation checks at SAP, DB and OS level, performing the parallel export/import from source to target system, performing post migration activities and also preparing the project documentation.
He made sure that all the data was consistent in the new productive system and no short dumps or missing objects were present in the target productive system after the Go Live. The downtime was only 9 hours for a 3.5TB database. He was also responsible for HANA troubleshooting and optimizations with great satisfaction from the part of the customer.  
  • At VELUX Denmark, Mihai was responsible for the BW OS/DB migration from LINUX/Oracle to LINUX/HANA with great satisfaction from the client. He performed HANA tuning and SAP parameters optimization after the migration on the productive system to assure best performance.
He was responsible for performing general preparation checks at SAP, DB and OS level, performing post migration activities and preparing the project documentation. He suggested performing the export/import from source to target system in parallel thus reducing the downtime considerably.
At METRO SYSTEMS Romania, Mihai was the expert on HANA and offered support and technical background for the BW OS/DB migration from LINUX/Oracle to LINUX/HANA. As main tasks he was involved in the SAP HANA upgrade from SPS 05 to SPS 06 and offered advanced guidance for the export/import from source to target system activities and also support for the post migration activities
SONSTIGE ANGABEN
Mihai has over 10 year of experience in the IT field of database administration and networking. He has been working as a SAP BASIS consultant for over 7 years and has been involved in various international and internal projects. He is a well-trained consultant with proven abilities of building good relationship with the customer. He also quickly adapts to the customer needs and always has a solution of his own to the problem, understands the flow of business processes and likes to learn and challenge himself whenever an opportunity arises.
Mihai is an energetic, enthusiastic person with a strong touch of reality embedded. His experiences in migration and upgrade projects, technical knowledge together with his passion for new challenges - it all, from a client point of view, makes him a valuable project team member. He is able to analyze customer requirements, propose innovative and reliable solutions and solve the most complex issues. He is always focused on delivering solutions for the customers with high quality and performance.
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