Professional Experience Oracle
Resume:
Toma Naoum
https://www.linkedin.com/in/tomanaoum
******@*****.***
HIGHLY SKILLED DBA and PRBLEM MANAGEMENT EXPERT
Maintain and support critical databases across multiple platforms
Proven history of providing production support for critical trading, regulatory and surveillance databases. Great analytical skills to support the business-critical processes and day to day production issues and challenges. Demonstrated proficiency in hardening security, maintenance and monitoring automation, performance and tuning, migrations to different platforms and upgrades. Expert in Oracle, Sybase, MySQL, TimesTen (X10 in memory database), knowledge of Mongo – NOSQL database. Customer oriented, team leader that excels at exchanging information and ideas with all team members, creating a shared sense of purpose and achieving organizational goals.
Areas of Expertise:
Incident and Problem Management (ITIL)
Automatic Storage Management
Hardening security expert
Security and Compliance
Database Diagnostics and Tuning
Oracle Grid technology
Integrity and High Availability
Exadata Database Machine
Performance and Scalability
Backup, Recovery, and Migration solutions using RMAN, Data Guard, and Datapump
IBM Netezza machines
Sybase ASE 12.5 / 15 and Sybase Rep 12.5
Golden Gate replication in Oracle environment.
COMPUTER SKILLS
Databases:
Oracle 8i/9i/10g/11g 12c Sybase 12.5 and 15 IBM Netezza 7.2 MySQL 5.6, 5.7 and TimesTen (in memory database)
Operating Systems:
RedHat Enterprise Linux 4/5/6 Windows NT/XP/7/10 HP-UX 11 Sun Solaris 5,6
Applications:
OEM (Grid Control) ODI SQL Developer Tidal Job Scheduler ServiceNow Sybase replication Golden Gate Replication BMC Remedy AR System RAT BMC Patrol Sybase ASE client Aqua data studio VCS (Veritas Cluster Server)
Languages:
PL/SQL SQL NZSQL Transact-SQL Shell scripting C C++
PROFESSIONAL EXPERIENCE
Senior DBA, ICE:NYSE 2014-2016
Providing 24/7 production support for critical trading, regulatory and surveillance databases, using ServiceNow for Incident & Problem Management. Expert troubleshooting problems and ability to analyze and resolve difficult technical issues quickly in a high pressure environment.
Design and implement Oracle’s High Availability (HA) and Disaster Recovery (DR) using RAC and Data Guard (Snapshot, Physical and Logical standby)
Worked proactively in collaboration with development team to monitor and tune the queries and detect the problem before it happens. Identify and troubleshoot poorly performing queries for Oracle, Sybase and MySQL trading database. Also help development team to migrate applications from Sybase to Oracle.
Lead database migration, tuning, optimization, and support efforts for Oracle RDBMS 10gR2, 11gR2 in enterprise environments. Also completed migration to Exadata Platform. Design and implement database security solutions, including Oracle database security option. Also migrated data from Sybase database to MongoDB.
Senior DBA, NYSE-Euronext 2012-2014
Consolidated standalone databases and improved performance while providing high availability by implementing Oracle clusterware and RAC with ASM for enterprise-wide databases.
Automated failover for critical trading databases by configuring VCS to work with VIP’s for Tidal Scheduler, enabling switching of all Tidal jobs once VCS detected a failure and switched over to live database.
Introduced global scripts monitoring and set up automated monitoring jobs for primary and standby sites, resulting in consolidation of monitoring into one common area that was easily manageable and modifiable including generating consistent alerts which were easy to understand and diagnose. Guaranteed database integrity by developing backup and recovery procedures using RMAN and data pump.
Improved business operations, eliminated failures, and complied with SEC regulations by installing, patching, and maintaining Oracle software on dedicated UNIX servers. Implemented Oracle fail-over technology using self-developed scripts and flashback technology for mandated quarterly SEC DR (disaster recovery) testing.
DBA, NYSE 2010-2012
Enabled company to compete and lead industry through creation of faster and more reliable network connections for systems and customers, by migrating databases to new state of the art data center in Mahwah. Also upgraded to oracle 11g, Installed, patched, and maintained Oracle software while migrating. Migrated Sybase and MySQL databases, and upgraded where possible.
Implemented Oracle fail-over technology using self-developed UNIX shell scripts. Created scripts, permitting run of weekly and monthly reporting, enabling monitoring users’ profiles and ensuring all SEC security requirements were met and maintained.
Consultant-DBA, SIAC:NYSE 2007-2010
Maintained Surveillance and Regulatory and high impact listing databases for NYSE, resulting in improved performance and eliminated failures. Used Sybase replication, achieving high availability and maintaining database integrity. Provided maintenance scripts for backups and monitoring using Remedy system.
Worked on upgrading from Oracle DB to X10 (TimesTen – in memory database) for major trading system (Consolidated Broker System – CBS), used Times Ten replication, resulting in improved performance and user experience for trading systems and high availably.
Collaborated with FINRA DBA, moving regulatory databases to FINRA in very smooth and orderly transfer.
ADDITIONAL PROFESSIONAL EXPERIENCE
Consultant, SIAC 1997-2007
Worked as developer on trading system, developer-DBA implementing 1st Sybase and Oracle based trading system databases. Implemented 1st handheld application on floor of NYSE, providing trading floor supervisors with technology for creation of electronic tickets and correction, replacing old paper trail.
Programmer/Analyst, WUI/MCI
Worked in communication industry, designing and maintaining communication systems, and customizing products for major clients.
EDUCATION
Masters of Science (MS), Software Engineering, SMU
Bachelors of Science (BS), Computer Science, CCNY
ITIL certified
LANGUAGES
English, Romanian.
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