> Markdown version of [/jobs/ext/1968642-senior-data-scientist](https://www.wearedevelopers.com/jobs/ext/1968642-senior-data-scientist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Scientist - **Company:** Celestar - **Location:** Washington, DC, United States - **Experience:** Expert - **Salary:** $175,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Big Data, Databases, Information Engineering, Data Mining, Data Visualization, R (Programming Language), Python (Programming Language), Machine Learning, Microsoft Office, Recommender Systems, Power BI, SQL Databases, Tableau (Software), Data Analytics - **Published:** August 7, 2026 - **Apply:** https://www.careerjet.com/job/us0867f97ae60f11e73006e990f4947b89/eaa ## About the Role * Master's Degree with 12 years of experience, or a bachelor's degree with an additional 5 years of related experience (total of 17 years) instead of a master's degree. * 12 years of experience related to the specific labor category, with at least a portion of the experience within the last 2 years. Required Skills * Experience working with R, Python, SQL, Power BI, and Tableau Security Clearance * TS/SCI with CI Poly ## Description * Conducts data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis, and uses scientific techniques to correlate data into graphical, written, visual, and verbal narrative products, enabling more informed analytic decisions. * Proactively retrieves information from various sources, analyzes it to better understand the dataset, and builds Artificial Intelligence (AI) tools that automate certain processes. * Duties typically include: creating various Machine Learning (ML)-based tools or processes, such as recommendation engines or automated lead scoring systems. * Performs statistical analysis, applies data mining techniques, and builds high-quality prediction systems. * Should be skilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau. * Major data science languages, such as R and Python. * Managing and merging of disparate data sources, preferably through R, Python, or SQL, statistical analysis, and data mining algorithms. * Should have prior experience with large data, Multi-INT analytics, ML, and automated predictive analytics. * Provide senior-level enterprise support through data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis, and use scientific techniques to correlate data into graphical, written, visual, and verbal narrative products, enabling more informed analytic decisions for multiple cover databases and applications in support of the defense cover program., Celestar, a B&A Company, is proud to offer three robust individual and family medical plans to full-time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance. In addition to these benefits, B&A employees enjoy paid time off, B&A-sponsored training and certifications, pet insurance, commuter transit benefits, and a free subscription to a virtual exercise platform (NEOU). B&A's 401(k) plan is available to all employees and includes a company matching contribution. B&A has launched several programs to focus on employee engagement, wellness, and assistance. These include: * The Cares program: 30/60/90-day wellness check-ins, personal development, financial management, stress management seminars, and more * A formal mentorship program * Job shadowing and cross-training opportunities * Brand Ambassador program * Employee Assistance Program (EAP) - Access to various support resources, including counseling, legal guidance, financial planning, and more * Monthly teambuilding events * Annual Wellness Challenges: #StepWithB&A, #WalkDuringLunchWithB&A, #VolunteeringWithB&A, #ExerciseDuringLunchWithB&A, and more At Celestar, a B&A Company, we place significant importance on improving the communities and lives of citizens across the nation through our involvement, technology expertise, and employees. B&A emphasizes charitable efforts in the Northern Virginia area, including Capital Area Food Bank pantry drives, book donations, Hope for Henry Foundation events, and more. In recognition of all these efforts, B&A has been named a recipient of the Companies as Responsive Employers (CARE) award by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for the Outstanding Corporate Citizenship Award. EEO Celestar, a B&A Compnay, provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. B&A complies with applicable state and local laws governing non-discrimination in employment at every location where the company has facilities. This policy covers conduct occurring at B&A's offices, and other workplaces (including client sites), and all other locations where B&A is providing services, and to all work-related activities. B&A participates in e-Verify. We provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 Form to confirm work authorization. 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