Francisco Marzabal Galán-Freelance
Check rate
Experience
Freelance
Freelance
Data leader
Allegis Group
- Project in Swiss investment bank
- Environments: Linux, Oracle RAC, Oracle Exadata, Temenos banking ERP, IBM DB2 for Z/OS, SQL, PL/SQL and R
- Migration of Temenos application to IBM DB2 for Z/OS
- Physical database design and definition of migration data plans
- Extraction-Transformation and Load
- Oracle parameters adjustment
- Oracle and DB2 SQL tuning, indexes redefinition, parallel query
- Database analysis and programming tasks
Performance and database specialist
EPAM
- Projects in Swiss investment bank, Financial Crime department
- Environments: Linux, Oracle, DB2 for LUW, SQL, PL/SQL, QA, Datawarehouse ETL, reporting and analytics, Agile methodologies, GitHub and DevOps
- Oracle parameters adjustment
- Oracle and DB2 SQL and PL/SQL tuning, indexes redefinition, parallel query
- Database analysis and programming tasks
IBM AVS and Oracle specialist
Freelance
- Add Value Support (AVS) for DB2 in retail company: WebSphere Commerce and internal applications; supporting development, business analysts and DBA team
- Insurance company: Oracle 11g migration to IBM DB2 for LUW; support/convert OLTP (Pro*C) applications and PL/SQL migration; SQL plans testing and performance issues
- Retail company: Sterling Commerce for DB2 support; Oracle support for internal application with latch issues; tuning, support development and business analysts
- International telco company: planning and implementation of IBM Unica application; hardware definition (Linux Red Hat Intel 64-bit), Oracle and ASM installation; tuning Unica application and Oracle DBMS
- Public Spanish television: support for DB2 for LUW and Oracle; implementation of OEM and Zabbix SNMP monitoring; tuning and support for various Oracle versions, RAC and RMAN
- Financial institution: support for IBM Unica and Oracle database performance
- Marketing company: installation and definition of data warehouse in Oracle 11g; block size definition, ETL definition, star schema definition and tuning; IBM Cognos tasks
- Retail company: DB2 for LUW and Oracle support and incident management
IBM AVS for DB2 LUW and IBM Content on Demand
IT company
- Add Value Support (AVS) for DB2 in retail company: WebSphere Commerce and internal applications; supporting development, business analysts and DBA team
- Public Spanish television: support for DB2 for LUW and DBA team; Zabbix SNMP monitoring
Oracle DBA
Financial institution in Andorra
- Oracle 11g, Data Guard, RAC, ASM, Grid Control and Avaloq ERP
- Tables with more than 1 billion rows and 400 transactions per second
- ITIL methodology for incident and problem management
- Support to development team
- Schema design, SQL and PL/SQL programming
DBA team leader
Spanish international bank
- Oracle and DB2-LUW (DB2-UDB for AIX, Windows and Linux) with partitioning and HADR
- IBM Content on Demand; support development team
- WebSphere Application Server versions 6.x and 7.x
- Oracle RAC, Grid Computing and Data Guard
- ERP and BI with SAP and PowerCenter
- ITIL methodology for incident and problem management
- Schema design, SQL, PL/SQL and Java (JDBC) programming
Administrator
Retail Company
- Oracle and DB2-LUW administration on AIX 5L with HACMP, cluster and Tivoli Storage Manager backup
- Oracle RAC, Grid Computing, RMAN
- DB2 Partition Option, HADR and db2connect for zLinux
- SAP and Siebel support
- ITIL methodology for incident and problem management
- Schema design, SQL, PL/SQL and Java (JDBC) programming
DB2-UDB Administrator
Financial Institution
- DB2-UDB for AIX, Windows and Linux with partitioning and HADR
- Support to development team
- WebSphere Application Server versions 5.x and 6.x
- Oracle with RAC, RAM and Grid Computing
- ITIL methodology for incident and problem management
- Schema design, SQL, PL/SQL and Java (JDBC) programming
Senior DBA and Project Manager
Wolters Kluwer
- Oracle database installation: RAC, OEM, RMAN and Data Guard/Standby
- Monitoring with SNMP and Oracle Context
- Oracle failover configuration and load balancing
- Unbreakable Oracle setup
DB2-UDB and Oracle Administrator
IT company
- DB2-UDB version 7.x for AIX 4.x with HACMP 4.3; migration to DB2-UDB 8.x on AIX 5.x and HACMP 5.1; DB2 for Solaris
- Geographic backup system and HADR implementation
- IBM Tivoli Directory Server (LDAP)
- Oracle RAC, RMAN, OEM and standby
- SAP ERP and Siebel CRM databases
- Oracle database tuning for Pay-Per-View media company
- Support for Internet web applications and online ticketing
Developer
Freelance
- Development of management and invoicing applications
- WebSphere Application Server Developer (Java), VisualAge for Java and C/C++
- CA and X.509 certificates for digital signature
- DB2-UDB for Windows version 7.x
- GIS project for Xunta de Galicia using Oracle Spatial Technology and Windows RAC
DBA
Oracle Partner
- Oracle and DB2 for Windows, AIX and DB2/400
- Migration of internal applications (settlement, clearing, accounting) from AS/400 to Oracle
- La Coruña Council: migration from Windows and SQL Server to Tru64 and Oracle
- Maersk Spain: Oracle RAC, RMAN, OEM and standby administration
- Dielectro-Galicia: Oracle administration, RMAN, OEM and advanced replication
- BI implementation using Oracle Warehouse Builder and Oracle Designer
System Analyst
European Card Services
- Credit-card solution implementation with DES, RSA encryption and PIN generation
- Programming in C and Pro*C, sockets, shared memory, queues, RS-232, X.25, TCP/IP
- AIX 3.x and 4.x, Unix scripting, Windows
- Oracle databases
System Administrator
IT company
- TUXEDO and Informix system administration on Unix System V
- Network administration: TCP/IP, SNMP for hardware and software monitoring
- AS/400 administration
Maintenance Technician
ALP Electronic
- Maintenance of networks, computers and devices
- Operating systems: Xenix, MS-DOS and Windows 3.1
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Information Technology, Retail, Media and Entertainment, Advertising, and Insurance.
Business Area Experience
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Experienced in Information Technology, Business Intelligence, Operations, Product Development, and Project Management.
Languages
Education
Associate Degree (FP2 Specialist technician in Computer Science) · Computer Science · A Coruña, Spain
EGB Primary Education · A Coruña, Spain
BUP Secondary Education · A Coruña, Spain
Certifications & licenses
IBM BIG DATA
IBM DB2 LUW 11.x
IBM MACHINE LEARNING, DATASCIENCE AND DEEP LEARNING
Oracle Autonomous Database Cloud 2025 Certified Architect Professional
Oracle Cloud Infrastructre 2025 Certified Application Integration Professional
Oracle Cloud Infrastructre 2025 Certified Architect Associate
Oracle Cloud Infrastructre 2025 Certified Foundations Associate
Oracle Cloud Infrastructre 2025 Certified Observability Professional
Oracle OCI (Oracle Cloud Infrastructure)
Oracle OCP (Oracle Certified Professional) versions 7.3, 8, 8i, 9i, 10g, 11g, 12c and 19c
Statistics
Experience
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Expertise
Qualifications
Profile
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