Electrical Engineering

Cheryl Gwyn O'Brien

**** ********* **.

Plano, TX 75023

*******@*****.***

PROFESSIONAL CREDENTIALS

Bachelor of Science in Electrical Engineering, from University of Houston 1983 - 1990

Obtained professional engineering license by exam. 1996

EXPERIENCE

Nonpareil Institute, Plano, TX 2010 - Present

Staff Programmer/Instructor

Designed, programmed, and implemented a Japanese abacas (Soroban) using C# and Unity, which was released on iPad, iPhone, and Ziosk devices. Programmed other applications for future release.

Developed and taught C# and Unity courses, and assisted advanced programmers on their applications. Reviewed student quests for other instructors and assisted them in learning how to teach autistic adults.

Programmed Nonpareil's internal website using ASP.net, Visual Basic, and SQL 2008, and designed database changes to increase efficiency.

John G. Hirschy & Associates, Coppell, TX 2009 - 2010

Independent Contractor

Created programs and user interface for utilizing data from multiple counties for commercial real estate taxes, using Microsoft Access database and VBA.

Bidfly, Inc., Sherman Oaks, CA 2005

Independent Contractor

Created ColdFusion applications for searching and editing data, along with a user login security system, working remotely from McKinney, TX.

AAA Mental Health, Richardson, TX 2005 - 2011

Billing Clerk and Computer Specialist

Managed all customers billing, and solved insurance billing issues for the company.

Programmed websites for AAA Mental Health and DANISH (aspergerinfo.org), using HTML.

Valmet Automation, Inc., Houston, TX 1993 - 1997

Sr. Systems Analyst - Research and Development

Responsible for initiating and designing an electrical model to enhance the OASyS Supervisory Control and Data Acquisition (SCADA) system, for use in the electric utility industry.

Developed the database for electrical networks, including models for transmission and distribution objects, and electrical connectivity used within the proprietary load flow program.

Designed run-time behavior and graphical symbols of all electrical objects defined in the network model.

Created electrical symbols, one-lines, and geographic displays of transmission and distribution circuits in AutoCAD.

Provided system administration of UNIX Solaris machines for the R & D department and customers, including user configurations, backup and system recovery, using C Shell scripts.

Used SQL with Sybase database to query customer data.

Programmed firmware for SCADA products using C.

Houston Lighting & Power Co., Houston, TX 1983 - 1993

Engineer - Transmission Planning Division (1993)

Responsible for analyzing existing and proposed configurations for HL&P's transmission network, utilizing Power Technology's Power System Simulation Engineering software (PSS/E).

Performed load flow and contingency studies to determine the effects of the proposed circuit configurations.

Participated as a member of the Extra High Voltage (EHV) talk force, which consisted of combining HL&P's transmission network, tie-lines, and interchange data with those of other ERCOT members, to arrive at a common load flow solution.

Converted FORTRAN programs and transmission data from System Planning's PRIME mainframe to UNIX.

Solved system administration problems with Solaris software conversion throughout the department, and wrote UNIX C shell scripts to increase efficiency.

Engineer - Distribution Engineering (1990 - 1993)

Responsible for designing underground vault service arrangements, providing estimates for underground construction, and calculating customers' fault currents.

Solved power problems on overhead circuits: outages, voltage variations, harmonics, and reactive loads, utilizing disturbance analyzers, fault detectors, and BMI's Power Profiler.

Utilized electrical data in calculations for sizing fuses behind step-down transformer banks, and for calculating the maximum capacitor sizes for a customer's service.

Automated activities for Major Underground by creating custom programs, including: conversion of survey notation to Microstation commands utilized in drawing Plan and Profiles, data acquisition programs, and departmental work management systems.

Configured hardware and software for departmental computers, performed LAN system administration duties and solved software issues.

Set distribution substation relays, designed transmission lines, modified substation drawings, performed economic analyses, and revised mainframe FORTRAN programs, while rotating through all engineering departments.

Associate Engineering Technician - Distribution Engineering (1983 - 1990)

Designed and maintained electrical distribution facilities serving residential and commercial customers within a designated service area spanning 12 square miles.

Created sketches, layouts, and work orders for both overhead and underground facilities, which included interpreting survey notes and initiating necessary easement documents.

Provided customers with detailed designs of proposed service outlets and cost estimations.

Investigated and resolved NESC safety violations, voltage problems, overloads, and outages, on distribution circuits.

Developed a departmental work management system, using Microsoft Access and Paradox.

Provided technical support for both Intergraph and Microstation, along with programming and maintenance.

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