
David Alejo Marcos
Fähigkeiten und Kenntnisse
Werdegang
Berufserfahrung von David Alejo Marcos
Team Leader of 10 DBAs located worldwide. Design and build a High Availability architecture using Oracle RAC and Oracle Standby Databases. Design and implement new 24*7 monitoring and alerting system used worldwide. Design, Test and Document zero downtime patch deployment. Define standard,configuration and automate for Database and Clusters to achieve optimal performance and availability. Point of contact for Oracle Private Cloud and Oracle Public Cloud.
- 3 Jahre und 2 Monate, Juni 2011 - Juli 2014
Senior Oracle DBA Oracle Exadata
Barclays Capital, London
• SPOC for Barclays Capital Exadata Systems and Trading platform. • Develop an Oracle Exadata Backup script running 10 times faster. • Develop restore script, which reduced times from 5 days to 10 hours for 19 TB Database. • Design and Build HA system for Fast Payments. • Develop Masking script to work seamless with Production and non-production. Saved several million GBP in licensing and being fully compliant. • Define Database standard for security, performance and high availability.
- 2 Jahre und 4 Monate, März 2009 - Juni 2011
Global DBA Lead / Oracle SME (subject Matter Expert)
Markit
• Team Leader of 18 DBAs located worldwide (Europe, Asia and Americas) providing 24*7 support. • Develop 24*7 monitoring and alerting scripts using Nagios, KSH and OEM SNMP Traps. • Design and build HA environment with Oracle RAC, GoldenGate, Standby and Materialize Views (MV) for MultiTB databases and almost zero downtime.
• Develop Global Automatic Capacity Planning report for all Oracle Database using OEM for forecasting new needs in CPU and Storage for databases. • Work with Engineering Team to package Oracle installations (Agent, RDBMS, RAC and Grid Control). • SPOC for Oracle 11g certification and best Practices within the bank.
- 1 Jahr und 10 Monate, Okt. 2005 - Juli 2007
Oracle Team Leader, Senior Oracle DBA
Veolia Group
• Design and build High Available architecture using Streams for replication to a new reporting systems; Oracle RAC and Oracle dataguard for Disaster Recovery. • Design, configure, document and test almost zero downtime Patch deployment for all Oracle Systems. • Oracle Applications DBA supporting a major Oracle Financials Database.
- 2 Jahre und 4 Monate, Juni 2003 - Sep. 2005
Oracle DBA
Carnival UK
• Design and implement strategy to migrate Oracle database from 8.0 and 8i to 9i with minimum downtime and performance degradation. • Global SPOC for Sarbanes-Oxley Compliance and Change Management. • Oracle Applications DBA supporting major Oracle Financials database based in the US. Migrated from 10.7 to 11i. • Business Objects supervisor, Designer and Developer. Migrated all business reports to Business Objects.
- 2 Jahre und 6 Monate, Jan. 2001 - Juni 2003
Oracle Team Lead / Oracle DBA / Oracle Developer
Soluziona IT
• Team Leader of 4 people located in Europe. • Design and implement partitioning strategy for a client’s Data warehouse. Automate the process to create new partitions and archive old partitions for performance and archiving strategy. • Design and build a reporting environment based on Materialized Views replication with minimum delay using information from Oracle, SqlServer and Sybase systems.
• Oracle DBA and Developer for a private banking (porfolios, investment funds and stocks) developing new solutions.
Ausbildung von David Alejo Marcos
- 2 Jahre und 6 Monate, Sep. 1998 - Feb. 2001
Electrical and Computing Engineering
La Salle University
- 4 Jahre und 5 Monate, Sep. 1992 - Jan. 1997
Technical Electrical and Computing Engineering
Polytechnical University of Catalonia
Sprachen
Spanisch
Muttersprache
Englisch
Muttersprache
Französisch
Fließend
Catalan
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