SUMMARY:

• US citizen, IT professional with 12 years of multi - platform experience as a database engineer and IT instructor with strong hands-on technical experience and solid technical fundamental understanding.
• Demonstrated successful troubleshooting on various database system using comprehensive diagnostic procedures of on-site problems with passion.
• Reputation for royalty, adaptability, enthusiastic teamwork, self-motivated, and outstanding performance that exceed corporate expectations.
• Authored numerous complex technical publications.
• Multilingual in English and Korean with expertise in diverse culture and cross-geographical team coordination to engineer effective solutions that drive company goals.

TECHNICAL PROFICIENCIES:

• VLDB performance analyze & troubleshooting
• SQL application performance diagnostic & tuning
• Data architecture & database modeling
• Core database administration on Oracle, MS SQL and MySQL
• SQL, PL/SQL Programming
• Database automation script programming using SQL*Plus & Bourne Shell
• Core OS administration on Windows, Solaris and Linux

TECHNICAL SKILLS:

Database Platforms: Oracle 8iR1 ~ 11gR2, MS-SQL 2000 ~ 2008, MySQL 3.1 ~ 5.1

OS Platforms: Solaris, Linux, Windows

WORK HISTORY:

Confidential

Manager, Gardena, CA

Responsibilities:

• Responsible for customer relationship, cash flow, inventory and HR administration.

Confidential

Freelance DB Consultant

Responsibilities:

• Hired as an Oracle DB performance consultant for tuning an internal supply chain management application suite operating on 10 different Oracle DB servers from version 8i ~ 10g in data size of 2T each.
• Performed DB model diagnostics, schema verification and SQL application performance troubleshooting. Implemented index & schema redesign and SQL re-coding along with instructing VLDB application tuning for Software Administration department.
• The outcome of project scored as followed: Average DB internal overhead time was decreased by 48 % and average end-user call response time was improved by 31% with no near-deadlock contentions in the entire application suite.

Confidential

Freelance DB Consultant

Responsibilities:

• Hired as a project manager for database migration from MySQL 3.x to Oracle DB v.10g server in RAC and implementing newly developed application suite at a wholesale company.
• Responsible for all DB-related tasks as sole DBA from the beginning to the end. Also, responsible for designing whole project schedule in detail cooperating with 3rd party web-based application developing team, and quality assurance on the new application suite.
• Performed DB re-modeling for new server platform, SQL application development & quality control, data evaluations, ETL, backup & failover strategy using Recovery Manager, DB server performance overhaul and DB & SQL performance monitoring & tuning.
• Successfully processed the DB migration with zero-downtime.

Confidential

CTO & CFO

Responsibilities:

• Co-founder and worked as Chief Technical Officer and Chief Financial Officer.
• Participated in DB overhaul projects as an Oracle database consultant at a client’s data center for 1 year and 10 months total. Majorly performed DB & SQL application performance troubleshooting for production and ERP application suites operating on complex DB environments. Also performed DB remodeling and migration on production environment. DB environment were consisted of over 100 Oracle DB v.9i ~ 11g servers on Linux for production, multi-level staging and data warehousing usage. Each DB server handled over terabytes data with over 1,000 live transactions for seconds.
• Responsible for providing DB-related technical training service for clients and for internal employee technical training.
• Dutiful for financial administration and human resource administration.

Confidential

Freelance IT Instructor

Responsibilities:

• Worked as a freelance IT instructor based on request at different site.
• Each courses were generally one week long with 30 ~ 40 hours a week.
• Responsible for various DB-related course curriculum design based on customers’ needs, authoring teaching materials, designing effective hands-on labs, and providing instructor-led class on sites.
• Taught at over 30 major government agencies, organizations, and companies in Korea.

Confidential

Freelance IT Instructor, Glendale, CA

Responsibilities:

• Hired as a part-time instructor and instructed all oracle-related courses offered at the education center.
• Redesigned and implemented new Oracle database specialist course curriculums.

Confidential

General Manager, Gardena, CA

Responsibilities:

• In charge of administrating 2 MySQL database servers & SQL application quality control and tuning.
• Dutiful for managing and scheduling for IT department and Production department crews.
• Designed and implemented whole IT infrastructure from ground zero for supply chain management.

Confidential

Freelance IT Instructor, South Gate, CA

Responsibilities:

• Hired as a part-time instructor and instructed variety courses such as A+, Network+, CCNA, MCSE 2000.
• Responsible for training, internal network and 200+ nodes management and course curriculum evaluation.

Confidential

IT Manager, Gardena, CA

Responsibilities:

• Dutiful for administrating all IT equipment, services and inter-network. Managed IT department members and all IT related issues for 24/7 environment.

Confidential

Aviation Mechanic, Everett, WA

Responsibilities:

• Responsible for quality inspection and corrective action for interior finish-off on 777 flight-line

Confidential

Aviation Mechanic, Everett, WA

Responsibilities:

• Responsible for performing maintenance and required corrective actions on Boing 757 airplanes from various airlines.