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Hanyool Chang Resume English (201002)
Hanyool Chang Resume English (201002)
Hanyool Chang Resume English (201002)
Hanyool Chang Resume English (201002)
Hanyool Chang Resume English (201002)
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Hanyool Chang Resume English (201002)

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  • 1. CURRICULAR VITAE Personal Details Name Hanyool Chang Contact +82-10-3759-0180(Mobile), +82-2-6478-3562 (Home) Hanyool.chang@gmail.com, huchang89@empal.com A desire position Information technology or service, Oracle DBA (including ERP) Enterprise computing system management and implementation Work Experience 1997.1 ~ Present Oracle Korea Position Senior Principal Consultant Department Tech team in Consulting LOB Career Overview - I have over 13 years of experience of projects in E-business suite (ERP) technical and Oracle DBA. I have an experience and technical knowledge of implementation of project and operation skill in E-business suite system administrator, Oracle DBA and other E-business suite related products. In addition, I have an understanding and co-work skill about business and field knowledge in Finance, Customer relationship management, Supply chain management and Human resources for cooperation working. - I have a sufficient technical skill/support and a lot of project experience in Oracle technology like RDBMS, WAS(Web server), Oracle fusion middleware etc. Moreover, I have a rich knowledge and experience in Oracle DBA, Performance tuning and ERP technical part. - I have an ability and skill for the technical team leading, technical system architecture, CRP testing, and technical support for maintenance in enterprise computing projects/environment. Visa Type - I am working in Korea however I have a permanent residential Visa (Sub class 136) in Australia, so you do not need to concern about my working visa and I can accommodate your company’s schedule. Detail Experience - KT IFRS implementation project 2009.3 ~ Present  Client: KT (The largest Telecom company of Korea)  Role: Carrying out ERP system administrator, Oracle DBA, Performance Tuning/Testing and 1
  • 2. technical support (7TB-sized 10g DB with RAC) as a technical team leader for IFRS on ERP R12 implementation project. I do performance tuning for efficient control of increased data multi-GL and FA books. I communicate and control between functional consultants and developers for implementing business requirements. - Oracle DBA and ERP system administrator - Performance Tuning including SQL tuning - Technical support of Oracle products - Technical team leading - KT upgrade project 2008.3 ~ 2009.2  Client: KT (The largest Telecom company of Korea)  Role: I carried out ERP system administrator, Performance testing, development guide and Oracle DBA (6TB-sized 10g DB with RAC) for ERP (Financial, SCM) upgrade from R11i to R12 implementation project. I did health-check and re-structuring technical architecture among lots of related legacy systems and ERP of customer. Leading technical team which is composed by Oracle partners. - Oracle DBA and ERP system administrator - ERP/DB upgrade and performance tuning - Technical architect and health-check between numerous legacy systems - Technical team leading and technical support - LG Telecom MDM implementation project 2007.11 ~ 2008.2  Client: LG Telecom  Role: I carried out ERP system administrator and Oracle DBA (2-node RAC, 11TB-sized 10g DB) for Customer/Product Data Hub system in new customer and billing enterprise computing system implementation project. I consulted technical architecture about MDM (CHD/PDH) and legacy systems. I carried out technical support for technical trouble shooting. - Oracle DBA and ERP system administrator - Technical architect - Oracle technical trouble shooting - Chunbook hospital R11i upgrade project 2007.6 ~ 2007.11  Client: Chunbook hospital 2
  • 3.  Role: I carried out technical capacity planning, ERP system administrator, Oracle DBA and performance tuning in upgrade system project for old version ERP system. - Oracle DBA and ERP system administrator - Performance tuning - Oracle technical support - Hanjin shipping ERP/CDH implementation project 2006.4 ~ 2007.5  Client: Hanjin shipping (The largest logistics company of Korea)  Role: This project was implementation ERP (human resources, financial, customer data hub on 2-node RAC 10g DB) and implementation system integration with Oracle SOA(Service Oriented Architecture). I carried out technical architecture design and implementation, capacity planning, implementation Oracle RAC, making backup/recovery strategy, development guide, technical support for integration SOA and ERP, Performance tuning and technical issue support as an Oracle DBA and ERP system administrator. - Oracle DBA and ERP system administrator - Performance tuning including SQL tuning - Oracle technical support including SOA - Technical team leading and technical architect - LG Electronics Global Single instance project 2005.10 ~ 2006.3  Client: LG Electronics  Role: This project was upgrading and integration between ERP (2-node RAC, 10TB-sized DB) and legacy systems and data migration from legacy system to ERP system for Global Single Instance of LG Electronics’ ERP system in the whole world. I carried out technical architecture, Oracle RDBMS/ERP upgrade, adding and re-implementation of Oracle RAC node, performance tuning, Oracle DBA and technical support. - Oracle DBA and ERP system administrator - Oracle technical trouble shooting - Technical architect for legacy systems - Samsung life insurance’s DB2 to Oracle downsizing project 2005.6 ~ 2005.9  Client: Samsung life insurance (The largest Life Insurance company of Korea) 3
  • 4.  Role: I carried out Oracle DBA, education of Oracle RDBMS 10g new feature, function mapping between IBM DB2 and Oracle RDBMS, Oracle RAC implementation, backup/recovery guide and consulting for data migration from DB2 to Oracle RDBMS as a database analyst in the project that was downsizing applications and data from IBM DB2 to Oracle RDBMS (RAC). - Oracle DBA - Oracle technical support - ReignCom ERP implementation project 2004.8 ~ 2005.4  Client: ReignCom (Electronics company)  Role: I carried out technical architecture design and implementation, capacity planning, making backup/recovery strategy, performance tuning and technical support in integration between portal and ERP system as a technical leader and DBA for the project which was implementation of ERP (finance, supply chain management and manufacturing) for integration Korea and China factories. - Oracle DBA and ERP system administrator - Oracle technical support - Performance tuning - Doosan Heavy Industry ERP implementation project 2004.3 ~ 2004.7  Client: Doosan Heavy Industry  Role: Carrying out technical administrator, DBA, backup/recovery strategy planning, HA implementation and performance tuning in the Oracle ERP (finance, SCM, projects) implementation project - Oracle DBA and ERP system administrator - Oracle technical support - Performance tuning - LG Electronics HR/ERP integration Project 2002.10~2004.2  Client: LG Electronics  Role: Carrying out technical architecture design and implementation, capacity planning, Oracle RAC implementation, DBA, development guide and performance tuning in the project that was add-on Oracle ERP (finance, SCM) implementation for the existing ERP HR system. 4
  • 5. - Oracle DBA and ERP system administrator - Performance tuning - Oracle technical support - The others  Carrying out DBA, development guide and technical architect in POSDATA, LG-IC etc.  Carrying out resolving technical issues for the lots of customers.  Involving into pre-sales tasks at many times. Knowledge and Skill Oracle E-Business suite (ERP): System Administrator, AppsTech RDBMS : Oracle DBA Hardware: SUN, HP, IBM Software: RDBMS (8i, 9i, 10g) DBA, Oracle SOA suite Oracle Fusion middleware, WAS (9i, 10g) Oracle 11g (no project experience) Programming Languages : PL/SQL, C, Java Education Background 1989.3 – 1995.2 A Bachelor’s degree in Computer Science, Chung-Ang University 1995.3 – 1997.2 A Master’s degree in Computer Science and Engineering, Chung-Ang University (Major was Database) 5

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