o Utility and industry-oriented engineering services:-- Performed short circuit analysis and relay coordination.-- Studied industry/renewable systems, including modeling, relay settings, coordination, TOV, load flow, short circuit, arc flash, and transient studies.-- Set relay settings for line/transformer/bus/feeder/generator relays (SEL, GE, Beckwith).-- Familiar with NERC standards, utility relay setting guidelines/considerations, and IEEE protection standards.-- Evaluated relay performance as per NERC PRC-023/025/026 standards, including most of digital and electromagnetic relay models (line/transformer/bus/BF) in the North American market.-- Carried out modeling and simulation of power systems, and hardware-in-the-loop testing for relays with RTDS.-- Analyzed, simulated and resolved field cases, including most of GE relays -- Provided advanced product training and application training for world-wide customers.o R&D-oriented practices:-- Developed and improved functions/algorithms for GE UR relays.-- Developed specifications/algorithms for GE 8 series relays; One of major designers from the very beginning.-- Proposed multiple new algorithms for different protection applications.-- Modeled and simulated internal protection algorithms and operating characteristics in GE relays.-- Modeled and simulated multiple power system applications.-- Analyzed and simulated CT saturation characteristics, and CCVT transient characteristics.-- Published multiple technical papers on 21 North America conferences, 3 papers on IEEE journal and magazine, and 2 patents from 2013 to 2017.-- Proposed L90 CT saturation analysis tool and CT time to saturation estimator.-- Developed multiple technical notes and application tools for customers.-- Investigated and evaluated new technologies and algorithms in relays.