Data Scientist

Westat is seeking a Data Scientist to join its Statistics and Data Science team. This hybrid position is based in Bethesda, Maryland , with an in-office schedule of 2 days per week . The role focuses on building and validating data science solutions using R, Python, and SQL, and applying machine learning and natural language processing to both structured and unstructured data. Key Responsibilities Develop and test R and Python to collect, process, link, and analyze data across multiple formats. Create SQL code to query, process, and manage large data files in databases. Apply supervised and unsupervised machine learning frameworks to data from a variety of sources. Use natural language processing methods and large language models to clean, parse, link, summarize, and analyze large unstructured data. Collect and acquire data from sources including websites using API access and web-scraping . Build data visualizations and dashboards using open-source libraries in R and Python , and tools including Tableau and PowerBI . Develop and maintain code documentation using Git , implement coding standards, and follow best practices. Present findings to internal and external clients. Contribute thought leadership through publications and conference presentations . Required Qualifications Public Trust clearance capability, requiring consistent U.S. residency for the majority of the last five years. A Bachelor’s degree in data science, statistics, computer science, mathematics, or a related quantitative field. 4+ years of experience in data science or related projects.li> Demonstrated experience with R , Python , SQL , and data visualization tools such as Tableau and PowerBI . Demonstrated experience developing machine learning and natural language processing methods. Experience developing, querying, and managing large data files in databases. Proven experience using Git as a version control system. Technologies R, Python, SQL Natural language processing, machine learning, large language models Tableau, PowerBI Git Application Programming Interface (API), web-scraping Compensation and Location Salary range: USD 68,400 to 80,000 per year, commensurate with experience. Location: Hybrid role in Bethesda, MD, working from the office 2 days per week . Benefits Employee Stock Ownership Plan 401(k) Retirement Plan Paid Parental Leave Vacation Leave (15 days per year) Sick Leave (9 days per year) Holiday Leave (7 government holidays and 2 floating holidays) Professional Development Health Advocate Employee Assistance Program Travel Accident Insurance Medical Insurance Dental Insurance Vision Insurance Short Term Disability Insurance Long Term Disability Insurance Life and AD& D Insurance Critical Illness Insurance Supplemental Life Insurance Flexible Spending Account Health Savings Account Additional Eligibility Notes This is a U.S.-based position. Candidates must be authorized to work in the United States on a full-time basis. Westat does not offer employment‑based visa sponsorship (including H-1B sponsorship) for this role. Depending on project requirements, some positions may require employees to meet specific residency criteria. #J-18808-Ljbffr Westat