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1. CURRICULUM VITAE
Name Surname: Yury Velikanov (Jurijs Velikanovs)
Current Title: Oracle Apps DBA, Team Technical Lead
Email: velikanovs@pythian.com
Social Media: LinedIn, G+, Tweeter @yvelik, Blog
SUMMARY:
 16+ years in IT industry (since 1995)
 Oracle Certified Master (since 2003), Oracle ACE Director
 More than 15 years extensive Oracle DBA consultant experience
(professional Oracle DBA since August 1997)
 Strong 11+ years Oracle Applications DBA consultant experience (since 2001,
including Oracle Financials, Human Resources, iStore etc)
 Several Oracle Applications managed services projects technical architect (Senior
Oracle DBA)
 Performance tuning experience including telecommunication industry
 Oracle Database and Application Servers high availability implementation projects
 Oracle Real Application Cluster, Parallel Query, Multi-Terabyte databases experience
 Solid experience of all Backup/Recovery scenarios and solutions
 Strong experience in planning and implementing monitoring systems
 Speaker at big Oracle public events in Australia, Europe and the US including Hotsos
2005/2006, UKOUG 2005/2006/2007/2008, AUSOUG 2009/2010/2011/2012, Oracle
OpenWorld 2011, Collaborate 2012
 Oracle Certified Professional (OCP) DBA since 1998, Oracle9i Database
Administrator Certified Master (OCM) since 2003, OCM 10G since 2008, OCM 11G
since 2011
EDUCATION:
1999 - 2001 Master’s degree in Computer Science (University of Latvia, Riga,
Latvia)
1996 - 1999 Bachelor’s degree in Computer Science (Riga Technical University,
Riga, Latvia)
CERTIFICATION:
Remarkable
2011. Oracle11g Database Administrator Certified Master, Australia,
Sydney
2003. Oracle9i Database Administrator Certified Master, the US, Chicago
(one of the first five Oracle Masters in Europe)
1998. Oracle 7.3 Certified Database Administrator
Others
2012. Oracle Enterprise Manager 12c Certified Implementation Specialist
2011. Oracle11G Certified Database Administrator
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2. 2010. Oracle Database Exadata Certified Implementation Specialist
2010. Oracle Database 11g Data Warehouse Certified Implementation
Specialist
2008. Oracle10g Database Administrator Certified Master, the UK, London
2007. Oracle 11i Applications Database Administrator Certified Professional
2007. Oracle 11i Applications Workflow Certified Expert
2005. Oracle10G Certified Database Administrator
2004. Oracle9iAS Web Administrator Certified Associate
2002. Oracle9i Certified Database Administrator
2001. Oracle8i Certified Database Administrator
1999. Oracle8 Certified Database Administrator
SKILLS:
RDBMS: Oracle 7/8/8i/9i/10G/11G, DRBMS options: Partitioning, Real
Application Clusters, Data Guard (Standby), Direct NFS, AWR,
Parallel Query, Materialized view, Transportable tablespaces,
Database resource manager, RMAN, Plan Stability, MTS etc.
Multiple terabyte databases, Migration, Performance Tuning,
Monitoring, Physical design, 24x7 systems, Backup & Recovery
planning and implementations, Customers support, Oracle Database
Appliance 2.0
ERP: Oracle Applications 11.5.3 (11i) - 12.1.2 (R12) (Financials, HRMS,
HR & Payroll, Inventory & Purchasing, CRM, iStore, iRecruitment,
Projects etc.) implementation, upgrading, patching, cloning
(automatic cloning implementations), troubleshooting, tuning,
maintaining, customization, stress testing, customer support,
maintenance, strong knowledge of Oracle Workflow engine and
advanced troubleshooting, implementation and maintenance
experience in advanced configuration and topologies
MIDDLEWARE: Oracle Fusion Middleware/Application Server (2.0 - AS 10g R3),
Oracle Identity Management Suite (10.1.4), BPEL (SOA Suite),
Oracle e-Mail Server, OC4J, Jserv. Strong knowledge in concepts,
architecture, maintenance, monitoring and troubleshooting
OS: Linux (Red Hat AS 2.1/3.0/4.0/5.x, Suse 9), Sun Solaris 2.5-2.9, HP-
UX 10.0-11i, IBM AIX 4.1-5.3, HP/Compaq TRU64 4.0-5.1, Windows
NT – 2000
Strong knowledge in UNIX architecture and performance
monitoring/turning.
HIGH
AVAILABILITY: Active-Active Clusters, Real Application Cluster (9i-11G), Oracle Data
Guard, Red Hat Cluster Suite (Active-Passive), Oracle Automatic
Storage Management (ASM), Oracle Cluster File System, Network
Load Balancer, SSL Network Accelerators, Sun Cluster, Tru64
Cluster File System, SAN Solutions.
LANGUAGES: Oracle SQL, Oracle PL/SQL, UNIX Shell Scripting, Basic knowledge
in Java, Perl, C, Pascal
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3. MONITORING: CACTI (Apache, PHP, MySQL, RRDTOOL), Big Brother, Nagios,
MRTG, Hobbit, Oracle Enterprise Manager, Oracle Grid Control
DEVELOPMENT: Technical Support & Troubleshooting Oracle JDeveloper, Oracle SQL
Developer, Oracle Designer (1.3.2-9i), Oracle Discoverer (2-4,
+Web), Oracle Developer (4.5-10g)
OTHERS: Oracle Internet Directory, Oracle Connection Manager, Statspack,
AWR, TKPROF (10046 event), Oracle Express, EMC IO
Subsystems, OFA, OS troubleshooting tools (strace, lsof, netstat, ...)
PUBLIC APPEARANCES:
2013 Speaker/AU “Direct NFS – Why and How” and “10 problems with your RMAN
backup script”, NZOUG Conference 2013 – New Zealand
(Wellington)
2012 Speaker/AU “Sharing experience implementing Direct NFS”, AUSOUG
Conference 2012 – Australia (Perth)
2012 Speaker/US “10 problems with your RMAN backup script” and "Oracle 11G
SCAN: Concepts and Implementation Experience Sharing",
Collaborate 12 Conference – US (Las Vegas) ~6 000 participants
2011 Speaker/US “AWR Data mining” and "Oracle 11G SCAN: Concepts and
Implementation Experience Sharing", Oracle OpenWorld 2011
Conference – US (San Francisco) ~40 000 participants
2011 Speaker/AU “AWR Data mining” and "10 problems with your RMAN backup
script", AUSOUG Conference 2011 – Australia (Perth)
2010 Speaker/AU “Exadata Project Results and Details: LinkShare Implementation”,
AUSOUG Conference 2010 – Australia (Perth)
2009 Speaker/AU “Automatic Storage Management - 11G R2 features for mission
critical systems”, AUSOUG Conference 2009 – Australia (Melbourne)
2009 Speaker/AU “Foundation of Oracle Fusion Middleware management framework”,
InSync 09 Australian Oracle Users Group conference – Australia
(Sydney)
2008 Speaker Oracle Day Latvia 2008
Paper: “Experience using Oracle Automatic Storage Management”
2007 Speaker UK Oracle User Group conference 2007 (http://www.ukoug.co.uk).
Papers:
“Fusion Middleware: Performance Tuning and Troubleshooting”
“Oracle Applications Cloning Best Practices”
“Successful Workflow maintenance”
“Workflow concepts & internals for Applications DBA”
2007 Speaker Oracle User Group Norway conference 2007.
Paper: “Oracle Applications Cloning Best Practices”
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4. 2006 Speaker UK Oracle User Group conference 2006 (http://www.ukoug.co.uk).
Papers:
“All Oracle DBAs have to know about Unix Memory Monitoring”
“Effective Oracle/Linux monitoring system”
2006 Speaker UKOUG Apps DBA for OEBS SIG Meeting (http://www.ukoug.org).
Paper: “Oracle Applications Cloning Best Practices”
2006 Speaker Hotsos Symposium 2006 the biggest event in US dedicated to Oracle
products performance (https://portal.hotsos.com/events/SYM06).
Paper: “FUSION Middleware Performance Tuning and
troubleshooting”
2005 Speaker UK Oracle User Group conference 2005 (http://www.ukoug.co.uk).
Paper: “OC4J Performance Tuning and troubleshooting”
2005 Speaker Hotsos Symposium 2005 (http://www.hotsos.com/events/SYM05-
abstracts.html).
Paper: “OC4J Performance Tuning and troubleshooting”
PROFESSIONAL EDUCATION:
2011 “Oracle performance tuning”, Cary Millsap (Cary Millsap is the person
who practically revolutionized Oracle database performance
diagnostic and tuning, http://method-r.com/services/biographies/cary-
millsap ), 3 days seminar
2008 “Advanced Oracle Troubleshooting”, Tanel Põder (one of the famous
Oracle researchers, see http://www.tanelpoder.com), 2 days seminar,
Latvia – Riga
2004 “AskTom Live with Tom Kyte!”, Tomas Kyte (one of the famous
Oracle experts in the world, see http://asktom.oracle.com), 3 days
seminar, Estonia – Tallinn
2003 Oracle Open World, conference, France – Paris
2003 “Optimizing Oracle – Performance by Design”, Jonathan Lewis (one
of the famous Oracle experts in the world), 3 days course, Estonia –
Tallinn
2002 Oracle Open World, conference, the US, San Francisco
2002 Oracle9i Real Application Cluster EOUG Focus and EOUG tutorial
Day, Netherlands – Amsterdam
2001 Oracle Open World, conference, Germany – Berlin
2000 “Oracle8i: Parallel Server Implementation”, Oracle Education course,
the US, Washington DC
2000 “Oracle8i: Implementing Scalable Systems", Oracle Education
course, the US - Washington DC
2000 Oracle User Group, conference, Denmark – Copenhagen
1999 “Oracle8i New Features (Database Server)”, Oracle Education
course
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5. 1999 “Oracle on Windows NT”, Oracle Education course
1998 “UNIX system administration”, Soft-Tronic Ltd. Course
1997 “Oracle7: Backup and Recovery”, Oracle Education course
1997 “Oracle7: Administration”, Oracle Education course
ORACLE COMMUNITY WORK:
Since 2013 Oracle ACE Director
Since 2012 Oracle RAC SIG International Chair
(http://www.oracleracsig.org)
Since 2011 Oracle ACE
Since 2009 Organizer of Sydney Oracle Meetup. The group currently have +300
members and had +57 events as for now. Yury is organising and
coordinating the events. He often speaks himself during meetups
(http://www.sydneyoracle.com.au)
2011 -2012 Oracle RAC SIG Australia & New Zealand Chair
(http://www.oracleracsig.org)
RELEVANT PROJECTS:
Oracle [Apps] DBA / Team Technical Leader
The Pythian Group
September 2009 – Present (3 years 4 months)
The Pythian Group. One of the leading remote Oracle DBA services
provider in the world.
Role and Responsibilities: Senior Oracle [Applications] DBA /
Technical Team Leader
Working as Senior Oracle DBA for Oracle RDBMS and Oracle e-
Business Suite areas. Providing ongoing customer’s environments
maintenance and project type work. As Technical Team Leader
responsible for team members' technical development. Among the
projects Yury worked on are the following:
- Oracle Database Appliance 2.2 implementation
- several projects (including EBS system migration)
- downtime optimizations
- ODA upgrade activities
- Oracle 11GR2 RAC (SCAN/GNS) implementation
- Oracle 11GR2 Direct NFS implementation
- Oracle 11GR2 performance tuning
- E-Business Suite R12 - Cloning Automation to 100%
- Oracle Single Sign On troubleshooting
- Technical Team lead for several clients
- Support to Local Australian and Global clients
Lead Oracle DBA consultant
Rolta TUSC Asia Pacific
January 2009 – August 2009 (8 months)
2009 Macquarie Bank. One of the largest banks in Australia
Role and Responsibilities: Senior Oracle DBA
Disaster recovery implementation (Oracle DataGuard 10g); Solution
integration with Veritas Cluster Services. Backup and recovery
procedures development, testing and implementation. IO Subsystem
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6. advanced troubleshooting. Support of development implementation
project (Informatica, SmartStream)
Senior Oracle Applications DBA consultant
TietoEnator
November 2006 – January 2009 (2 years 3 months)
2008 - 2009 TietoEnator. TietoEnator is a professional service company
providing IT, R&D and consulting services. With approximately 16000
employees (http://www.tietoenator.com).
Oracle e-Business Suite 11i TietoEnator’s ERP system takeover for
further maintenance.
Role and Responsibilities: Technical Architect, Senior Oracle
Applications DBA
The System used across most of the countries TietoEnator operates
in (30 counties). A goal of the project is takeover from current
Managed Services team to improve services and value to the
customer, develop maintenance procedures to be used in the future
operations according the industry’s best practices. Review, adjust,
develop and start procedures for maintenance areas like backup and
recovery, performance monitoring and tuning, environment
managements (including EBS environments cloning), change delivery
(including EBS patching) etc.
2008 - 2009 Telenor. Telenor is one of the biggest providers of mobile
communications services in Europe with ownership interests in 12
mobile operators across Europe and Asia. (http://www.telenor.com).
Oracle e-Business Suite 11i Finances & Human Resources+ system
Maintenance.
Role and Responsibilities: Team Technical Lead, Technical
Architect, Senior Oracle Applications DBA
The System is used across Norway, Denmark, Finland, Sweden,
Hungary, Pakistan, etc. 9000 users connects to the system on
monthly basis, up to 3000 users connects daily. System consists of
22 servers (46 IP-s including virtual). Lead of an Apps DBA team
responsible for all maintenance and technical development activities
for that system including backup and recovery, performance
monitoring and assistance in tuning, upgrades and changes delivery,
cloning, environments management, technical architecture
development and Apps DBA services to development projects.
Supervising project’s DBAs, junior DBAs recruiting and mentoring.
2007 - 2008 Telenor (http://www.telenor.com).
Oracle e-Business Suite 11i Finances & Human Resources+ system
(OEBS) relocation project from one hosting provider to other.
Role and Responsibilities: Project Technical Lead, Technical
Architect, Senior Oracle Applications DBA
Responsible for cross-platform OEBS migration planning and
implementation, System Capacity and availability planning, High
Availability implementation, OEBS in Active-Passive Red Hat Cluster,
Network Load Balancer and SSL Accelerator, OEBS, Oracle Single
Sign-On, BPEL and Web-Discoverer implementation, OEBS Multi-
Node implementation including shred APPL_TOP, multiple security
zones and internet services publishing, OEBS integration with Oracle
Identity Management Suite to ensure users transparent
authentication, reimplementation around 100 interfaces.
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7. Project planning, managing, all technical activities coordination
between multiple implementation parties involved. Maintenance
routines definition and implementation.
Supervising project DBA-s, defining tasks, helping in implementation
and troubleshooting efforts.
2007 Telenor (http://www.telenor.com).
Role and Responsibilities: Technical Architect
Oracle e-Business Suite 11i Integration strategy review (Based on
Oracle SOA Suite).
2007 TeliaSonera Group. TeliaSonera is the leading telecommunications
company in the Nordic and Baltic region
(http://www.teliasonera.com).
“Oracle e-Business Suite 11i Workflow for applications maintenance
and implementation teams” course development and delivery.
Role and Responsibilities: Workflow Technical Expert – Instructor
2 days course development and delivery.
2006 - 2007 TeliaSonera Group (http://www.teliasonera.com).
Oracle e-Business Suite 11i Order Management System house
keeping implementation project.
Role and Responsibilities: Senior Oracle Applications DBA
Suggesting, developing and implementing OEBS housekeeping
procedures according to Industries maintenance best practices.
2006 TeliaSonera Group (http://www.teliasonera.com).
Oracle e-Business Suite 11i Order Management System performance
tuning project.
Role and Responsibilities: Senior Oracle Applications DBA
Workflow based system performance tuning. Analysis, solution
suggestion, testing and solutions delivery.
Oracle Applications DBA consultant
DSP Global
August 2006 – November 2006 (4 months)
British Telecom, UK (www.bt.co.uk)
Oracle e-Business Suite global instance implementation project
(CHORUS)
Used technologies: OEBS 11.5.10.2, Linux Suse 9.2, RDBMS 10G
R2, Financials, iProcurement, Projects etc.
Role and Responsibilities: Senior Oracle Applications DBA
Preparing and documenting OEBS requisites against hardware and
operational system, installing OEBS, implementing CPUs (Oracle
Security Update Patches), comprehensive patch analysis, patching
and upgrading (Database to 10G R2 version, used JDK to 1.5
version, Developer to latest available version etc.) OEBS
environments maintenance, OEBS environments cloning across
different Linux flavours, implementing backup strategy,
troubleshooting.
Senior Oracle DBA
Solihull Council
August 2005 – August 2006 (1 year 1 month)
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8. 2005 Solihull Council House, UK (www.solihull.gov.uk)
Oracle e-Business Suite implementation and maintenance project
Used technologies: OEBS 11.5.9-11.5.10.2, Linux RH AS 3.0,
RDBMS 9i-10G R2, RAC, OCFS, Financials, Human Resources,
Payroll, Purchasing, CRM.
Role and Responsibilities: Senior Oracle Applications DBA
Troubleshooting (including advanced Workflow diagnostics),
Performance Tuning, Automatic Cloning Implementation and support,
Major upgrades planning and implementation (11.5.9 to 11.5.10.2,
RDBMS 9.2.0.5 to 10G R2, RAC implementation), Monitoring system
implementation, OEBS Development teams support
2005 Solihull Council House, UK (www.solihull.gov.uk)
Oracle AS 10GR2 distributed configuration implementation (J2EE,
Oracle Single Sign on, Oracle Internet Directory).
Role and Responsibilities: Senior Oracle DBA
Troubleshooting, Performance tuning, Monitoring system
implementation, development support.
Oracle Applications DBA consultant
IT Alise
April 1998 – August 2005 (7 years 6 months)
2005 Technology Distribution In Baltic States Ltd.
(http://www.tdbaltic.lv)
Oracle e-Business Suite 11i troubleshooting and performance tuning
Used technologies: OEBS 11.5.9, Linux RH AS 2.1, Inventory, iStore,
Oracle Workflow, Oracle Advanced Queuing.
Role and Responsibilities: Monitoring system implementation,
troubleshooting, performance tuning
2000. – 2004. Latvian Mobile Telephone (www.lmt.lv)
Billing system custom development and implementation project
Used technologies: Oracle 8.1.7/9.2.0 database, Sun Solaris 2.8/9,
Sun Cluster, PL/SQL, SQL*Loader, Oracle Forms, Oracle Reports,
Oracle Discoverer, Oracle Designer, Java, Parallel Query,
Transposable Tablespaces etc.
Sizing information: 100 Oracle Developers, Production DB Size
1+TB, 1800+ tables, 630+ packages.
Role and Responsibilities: Development and Test environments
maintenance, development team support and consulting,
development guidelines implementation, physical design
development, hardware planning, database upgrade from 8.1.7 to
9.2.0 coordination and implementation, troubleshooting, performance
monitoring and tuning activities, implementation team member.
2004 Rural Support Service (www.lad.gov.lv)
Information system custom development project
Used technologies: Oracle database 9.2.0, Oracle Application Server
9i R2/10G, OC4J, PL/SQL, Oracle Report Server, Oracle Forms
Server
Role and Responsibilities: OC4J Troubleshooting and performance
tuning, development consulting, production database tuning,
production system maintenance management. Monitoring system
implementation.
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9. 2003 - 2004 Health Compulsory Insurance State Agency
(http://www.voava.lv/eng/)
Information system custom development project
Used technologies: Oracle database 9.2.0, Oracle Object option,
Oracle Application Server 9i R2/10G, OC4J, PL/SQL, Oracle Report
Server, Oracle Forms Server
Sizing information: 1448 jsp files, 3283 class files, 965 tables, 593,
views, 251 types, 220 packages, 800 heavy users daily.
Role and Responsibilities: Strong experience in OC4J
troubleshooting and performance tuning, development consulting,
production database tuning, production system maintenance
management.
2004 IT Alise Ltd. (http://www.it-alise.com)
“Oracle performance tuning” course development and delivery
Role and Responsibilities: Oracle Technical Expert, Training
instructor. Training of the Oracle development team.
2003 State joint stock company "Latvenergo" (http://www.latvenergo.lv)
Oracle e-Business Suite 11i migration to grid architecture
Used technologies: Oracle EBS 11.5.3/11.5.7, HP Tru64 5.1b, Oracle
database 8.1.7/9.2.0, Network Cisco load balancer,
Sizing information: 800 users, database size 140 GB, 20 modules.
Role and Responsibilities: Project coordination, Action plan
development and follow ups, OEBS 11.5.3 upgrade to 11.5.7, Oracle
database 8.1.7 upgrade to 9.2.0, Application tier migration from
Tru64 to Linux platform (including customization, configuration etc.
strong understanding in OEBS architecture and configuration files),
Migration from single Application server to clustered application
servers solution, Migration from single Tru64 server to Oracle RAC
multiple (3) Tru64 servers, concurrent manager’s infrastructure
customization, testing planning and implementation.
2002 Latvian Mobile Telephone (www.lmt.lv)
Oracle e-Business Suite implementation, ABM module
Used technologies: Oracle EBS 11.5.7, Linux RH AS 2.1, Oracle
database 8.1.7, Java, CORBA
Role and Responsibilities: Initial Installation and configuration,
troubleshooting, patch installation
2001 State joint stock company "Latvenergo" (http://www.latvenergo.lv)
Oracle e-Business Suite 11i performance tuning project
Used technologies: Oracle EBS 11.5.3, HP Tru64 5.1, Oracle
database 8.1.7
Role and Responsibilities: Project coordination, Action plan
development, Monitoring system implementation, Unix Shell
Scripting, Database tuning, OS tuning, Modules performance tuning,
Application patch planning and installation
2000 FIFA (http://www.fifa.com)
Oracle Parallel Server Installation project (Netherlands – Amsterdam)
Used technologies: Sun SPARC Solaris 2.6, Oracle Parallel Server
8.1.7, SunCluster
Role and Responsibilities: Technical project coordination, installation
9

10. planning (disks layout, configuration, software versions), Oracle
Software installation, troubleshooting, Initial installation testing.
1999 – 2005 IT Alise Ltd. (http://www.it-alise.com)
Customers Expert Services
Role and Responsibilities: Customers’ consulting, Oracle products
installation/ configuration/ troubleshooting/ upgrades, backup and
recovery strategy development and implementation, monitoring
system implementation, performance tuning, performance training,
custom training
Customers: Major Financial institutions in the country,
Telecommunications Companies, Government institutions
1999 – 2000 Ministry of Internal Affairs of the Republic of Latvia
(http://www.ic.iem.gov.lv)
Information System “FILTRS“ (On administrative offences) custom
development project
Used technologies: Oracle 8.0 database, Sun Solaris 2.x, Oracle
Forms 5.0, Oracle Designer 5.0
Role and Responsibilities: Development, Test environments
maintenance, Development team consulting, System sizing,
Troubleshooting.
1998 – 2000 Lattelekom Ltd (http://www.lattelekom.lv)
Lattelekom is a large telecommunications operator in Latvia
Information System “External Line Plant Recording System - DIPS”
custom development project
Used technologies: Oracle 8.0 database, IBM AIX 4.3, Oracle Forms
5.0, Oracle Designer 5.X
Role and Responsibilities: Development, Test environments
maintenance, Development team consulting, System sizing,
Troubleshooting
1998 – 2005 IT Alise Ltd. (http://www.it-alise.com)
Oracle First Line Support
Role and Responsibilities: Oracle Support Analyst. Oracle products
troubleshooting, Customers consulting
Junior Oracle DBA
Ministry of Internal Affairs of the Republic of Latvia
August 1997 – April 1998 (9 months)
1997 – 1998 Ministry of Internal Affairs of the Republic of Latvia, government
institution (http://www.ic.iem.gov.lv)
Information System “Stolen vehicles“ custom development project
Used technologies: Oracle 7.3 database, Sun Solaris 2.x, Oracle
Forms 4.5, Oracle Designer 1.3.2
Role and Responsibilities: Development, Test, Production
environments administration, Oracle Replication maintenance,
Backup and Recovery implementation, Development team
consulting.
ADDITIONAL INFORMATION
- Drivers Licence
o Full Australian and International
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11. - Languages
o Fluent English
o Fluent Russian
o Fluent Latvian
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