Overview
Work History
Education
Skills
Websites
Awards
Projects (Master’s Degree)
Timeline
Generic

Jiwan Hwang

Fairfax County,

Overview

12
12
years of professional experience

Work History

DATA SCIENTIST, Human Capital Analytics Branch (HRD, OCAO)

U.S. Census Bureau
Suitland
12.2024 - Current
  • Developed an RTO and Core Hours Compliance Dashboard, integrating six HR data sources with Python, enabling real-time workforce monitoring.

DATA SCIENTIST, Data Analysis and Forecasting Branch (SDB, OCFO)

U.S. Census Bureau
Suitland
04.2021 - 12.2024
  • Built and deployed a machine learning model in Python to classify Internal Use Software (IUS) vs. Non-IUS, automating the prediction process using UiPath RPA.
  • Forecasted division-level leave amount rate trends using time-series analysis in Python.
  • Designed multiple financial dashboards in Tableau, tracking budget variance, travel expenditures, and vendor transactions.
  • Led end-to-end ETL development, automating data pipelines using Oracle SQL, Python, and UiPath.

SALES ADMIN AND DATA ANALYST (PART-TIME), Steel Cold Rail

POSCO International America Corp.
Johns Creek
01.2021 - 04.2021
  • Automated reporting processes for sales, imports, and delivery of cold-rolled steel.
  • Streamlined document and data management, improving operational efficiency.

MARKETING STRATEGY SPECIALIST (DATA ANALYTICS), Marketing Strategy

Johnson Service Group (contracted to Doosan Infracore N.A.)
Suwanee
10.2019 - 02.2020
  • Developed market size forecasts for heavy equipment using regression models with economic indicators like building permits and new construction.
  • Updated and maintained Power BI reports monthly for regional directors and district managers
  • Created and enhanced data visualizations using Power BI for market insights.
  • Developed automation for data transformation processes using Power Query and Power Pivot.

ANALYST, Strategy and Corporate Planning

KT Engcore
Seongnam
12.2013 - 12.2015
  • Led competitive research, financial analysis, and strategic planning.

INTERN, Credit Guarantee Team

Korea Credit Guarantee Fund
Busan
03.2013 - 08.2013
  • Extended credit guarantees, enabling finance for over 150 small and mid-sized firms.

Education

Master of Science - Data Analytics Engineering; concentration-Statistical Analytics

GEORGE MASON UNIVERSITY
05.2019

Bachelor of Arts - Economics; Minor: Mathematics (Cum Laude)

RUTGERS UNIVERSITY
05.2012

Skills

  • Python
  • R
  • SQL
  • Oracle
  • PostgreSQL
  • MySQL
  • Tableau
  • Power BI
  • Git
  • Linux Command Line
  • Machine learning
  • Visualization
  • Predictive modeling
  • Statistical analysis

Awards

  • U.S. Census Bureau, Bronze Award, 2023, Financial Reporting Innovation Team
  • U.S. Census Bureau, Bronze Award, 2023, RPA Team

Projects (Master’s Degree)

  • Credit Card Fraud Detection: Built classification models and Compared model performance.
  • Credit Risk Modeling: Built logistic regression model using WoE & IV for Probability of Default estimation.
  • 2015 Flight Delays and Cancellations Analysis: Conducted EDA and linear regression.
  • Marketing Mix Modeling: Built Generalized Additive Model (GLM) using SAS.
  • Capstone Project: Designed a cloud-based IT expenditure reporting system using Python, MS Azure, and Power BI for USAGM.

Timeline

DATA SCIENTIST, Human Capital Analytics Branch (HRD, OCAO)

U.S. Census Bureau
12.2024 - Current

DATA SCIENTIST, Data Analysis and Forecasting Branch (SDB, OCFO)

U.S. Census Bureau
04.2021 - 12.2024

SALES ADMIN AND DATA ANALYST (PART-TIME), Steel Cold Rail

POSCO International America Corp.
01.2021 - 04.2021

MARKETING STRATEGY SPECIALIST (DATA ANALYTICS), Marketing Strategy

Johnson Service Group (contracted to Doosan Infracore N.A.)
10.2019 - 02.2020

ANALYST, Strategy and Corporate Planning

KT Engcore
12.2013 - 12.2015

INTERN, Credit Guarantee Team

Korea Credit Guarantee Fund
03.2013 - 08.2013

Master of Science - Data Analytics Engineering; concentration-Statistical Analytics

GEORGE MASON UNIVERSITY

Bachelor of Arts - Economics; Minor: Mathematics (Cum Laude)

RUTGERS UNIVERSITY

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Jiwan Hwang