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Ellin Tjondrokusumo
Principal Systems/Application Engineer specializing in real-time monitoring and industrial data platforms
ChevronSan José State UniversitySan Ramon, CA14 Years ExperiencePrincipal LevelWorks On-Site
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Experience
Sr. Principal System Application EngineerChevron · Feb 2022 – Jul 2025
Infrastructure System Analyst - AVEVA/OSIsoft PI SuiteChevron · Feb 2020 – Feb 2022
Product Support Engineer IIAVEVA/OSIsoft · Apr 2018 – Oct 2019
Technical Support EngineerAVEVA/OSIsoft · Nov 2015 – Apr 2018
Maternity LeavePrivate Residence · May 2012 – Nov 2015
Application Support Engineer – Siebel CRM DivisionOracle USA Corp. · Apr 2009 – May 2012
Java Developer – Peoplesoft DivisionOracle USA Corp. · Jun 2008 – Apr 2009
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Education
San José State Universitybachelor, Computer Science (2003)
Pasadena City Collegeassociate, Computer Information System (2000)
Awards
Skills
Languages
EnglishIndonesianMandarin ChineseMalay
Certifications
OSIsoft Accredited PI System AdministratorNERC CIP CertifiedMicrosoft Technology Associate: Networking FundamentalsFull-stack Web Developer (UC Berkeley Extension)Oracle Application Database AdministratorChinese Language and Culture - Beijing School of Chinese Language and Culture
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