Data Scientist

Dexian Government Solutions is recruiting for a Data Scientist to support our contract at the USPSOIG in Arlington, Virginia.

Position Description

• Works independently and within teams to use the necessary data extraction, manipulation, and aggregation techniques to prepare, clean, normalize, and validate data to complete varied projects and tasks.

• Researches, designs, and develops visualization solutions using a range of methods which support investigative and audit products.

• Designs experiments, tests hypotheses, and builds scalable models using data science and artificial intelligence (e.g. machine learning) methods.

• Designs, develops, and adapts mathematical, statistical, econometric, and other analytical solutions for audit, investigation, research, and support functions.

• Leads artificial intelligence activities such as natural language processing, predictive analytics, and machine learning model development, training, evaluation, testing, refinement, deployment, and maintenance.

• Translates complex technical findings into an easily understood narrative. Prepares comprehensive documentation for requirements, test plans, user manuals, technical diagrams, and training materials.

• Develops project communications and maintains effective working relationships between project teams, stakeholders, and management.

• Provides advice on issues affecting projects, such as data access, quality, storage, and other related needs.

• Contributes to and presents training and conference materials to large audiences.

• Independently performs comprehensive and efficient data collection and analysis of a variety of data sources to develop trends, descriptive statistics, or other insights.

• Uses expert level knowledge to identify and develop sources of information from structured and unstructured data, criminal intelligence databases, public information sources, internal Postal Service databases, reference manuals, and audit and law enforcement reports.

• Independently researches, extracts, evaluates, interprets, and visualizes data and information as actionable intelligence for auditors and investigators to detect, prevent, and respond to fraud, waste, and abuse.

• Uses relational databases, data lakes, data lakehouses, and other data environments to create a variety of analytic products such as business intelligence tools, summary tables, comparison graphs, or temporal, association, and link analysis charts.

• Interacts with other agencies and builds relationships with peers to share information and learn the latest developments in analytical tools and techniques to effectively support the OIG with mission related work.

• Develops substantial knowledge of database applications and environments and shares expertise with coworkers in support of agency goals and objectives.

• Expert proficiency in common data science tools, including scripted languages (such as SQL, Python, R, and JavaScripts), Integrated Development Environment and analytics platforms, open-source solutions, commercial off-the- shelf tools and hardware-based capabilities to support the data analytic development process and creating models, dashboards, and reports.

• Knowledge and experience using advanced analytic techniques such as machine learning, natural language processing, robotics process automation, artificial intelligence, text and/or data mining, and statistical and mathematical methods.

• Knowledge and experience using business intelligence applications and reporting technologies/methodologies including Data Analytics Expressions (DAX), data Mash-up(M), and Microsoft Power Platform (e.g., Power BI, Power Apps, Power Automate, etc.).

• Knowledge of AWS or Azure Services, including Databricks, Data Factory, Data Lakehouses, and Data Lake.

• Knowledge of Extraction, Transformation, and Load (ETL) strategies, pattern recognition, and application of analytical tools.

• Coordinate with staff and customers to identify business and technical requirements.

• Produce written documentation and artifacts for all work completed, including the translation of user requirements into technical designs.

• Assist the agency in the development of programming and visualization solutions.

• Troubleshoot and provide support on existing projects or application efforts.

• Understand the concepts suppor