Hyeonjun Ahn

Experience

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  Doosan

  Jul 2009 - Oct 2017

  * Development and Operation of annual demand planning and monthly supply planning programs in SAP APO* Development of supply planning programs according to sales order priority* Development of a detailed production planning program considering departure planning and production constraints* Perform both the consultant and developer roles successfully* Provide cost savings by taking care of all areas of ownSkill - ABAP * Development and Operation of Manufacturing Execution System* Development of PDA programs for material receipt* Interface design with other systems such as SAP ERP* Database design using Oracle * Technical documentation and user training transportation charges* Provide quality training to customersSkillC#, Oracle DBMS * Development and Operation of Manufacturing Execution System * Management of Infrastructure* Provide IT knowledge and communication with customersSkill - C#, Oracle DBMS

  • Assistant It Manager

    Aug 2012 - Oct 2017

  • Information Technology Specialist

    Dec 2009 - Aug 2012

  • Information Technology Intern

    Jul 2009 - Dec 2009
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  Hwaseung Networks America

  Oct 2017 - Feb 2021

  IT Manager

  * Development and Operation of warehouse management system * Development of PDA programs for material receipt* Development of Mobile App for warehouse management* Interface design with other systems * Database design using MS Sql * Maintenance of servers including applications and hardware on the network* Provide infrastructure maintenance cost reduction by building a cloud server environment* Perform both the consultant and developer roles successfullySkillSpring framework, JS, C#, MS Sql, Fuse Show less

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  CJ Logistics

  Feb 2021 - now

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