Data Scientist

Operations Mentorship Innovation Statistics Mathematics Market Data Data Science Communication Computer Vision Ancient History, Leidos is seeking a Senior Data Scientist to provide technical leadership and advanced analytics expertise in support of mission-critical national security programs. This role supports customers operating in classified environments and requires close collaboration with subject matter experts, designers, engineers, analysts, and mission stakeholders to deliver innovative, operationally relevant data science and AI solutions., * Serve as a senior technical contributor and analytic lead on complex, high-impact national security programs

• Partner with government customers and subject matter experts to define mission problems and analytic objectives
• Translate ambiguous operational challenges into actionable data science requirements and solution designs
• Design, develop, and deploy advanced analytics, statistical models, and machine learning solutions
• Apply advanced data science techniques including exploratory data analysis, feature engineering, predictive modeling, hypothesis testing, and algorithm development
• Integrate structured and unstructured data from diverse sources across classified environments
• Communicate analytic findings, insights, and recommendations to senior technical and non-technical stakeholders
• Support deployment, monitoring, and ongoing operations and maintenance (O&M) of analytic solutions
• Mentor and guide junior data scientists and contribute to analytic standards, best practices, and reusable frameworks
• Maintain awareness of emerging data science, AI, and big-data technologies relevant to national security missions, Seaborn Teamwork Equities Automation Purchasing Statistics Upskilling TensorFlow Probability Market Data Data Science Cryptography Web Scraping Key Management Data Extraction Ancient History Computer Science Machine Learning Network Analysis Entrepreneurship Data Architecture Unstructured Data Analytical Method Data Visualization Amazon Web Services Predictive Modeling NLTK (NLP Analysis) Time Off Management Security Engineering Relational Databases Signals Intelligence SpaCy (NLP Software) Unsupervised Learning Database Search Engine SQL (Programming Language) Matplotlib (Python Package) Computer Network Operations Hugging Face (NLP Framework) Python (Programming Language) Natural Language Processing (NLP) Application Programming Interface (API) Tableau (Business Intelligence Software) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Senior Data Scientist Leidos

Chantilly, VA*On-Site

Big Data Equities Operations Mentorship Innovation Statistics Mathematics Market Data Data Science Communication Computer Vision Ancient History, MySQL Linux PySpark Equities Metadata Statistics Databricks Mathematics Market Data Build Tools File Systems Data Science Apache Spark Shell Script Data Storage Elasticsearch Cyber Security Data Pipelines Version Control Data Management Computer Vision Cloud Computing Digital Systems Ancient History Computer Science Machine Learning Web Applications Agile Methodology Digital Forensics Query Performance Enterprise Search Project Management Windows PowerShell Workflow Management Systems Engineering Amazon Web Services Artificial Intelligence SQL (Programming Language) Agile Software Development Java (Programming Language) Scrum (Software Development) Infrastructure as Code (IaC) Python (Programming Language) Hadoop Distributed File System (HDFS) Application Programming Interface (API) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Computer Science Machine Learning Unstructured Data Influencing Skills Advanced Analytics Predictive Modeling Feature Engineering Instructional Design Statistical Modeling Technical Leadership Enterprise Analytics Artificial Intelligence R (Programming Language) Exploratory Data Analysis Verbal Communication Skills Python (Programming Language) Influencing Without Authority Statistical Hypothesis Testing Natural Language Processing (NLP), The Senior Data Scientist will lead complex analytics efforts across the full solution lifecycle-from problem definition and requirements development through design, implementation, deployment, and ongoing operations and maintenance (O&M). The ideal candidate brings deep technical expertise, strong mission awareness, and the ability to communicate analytic insights to senior decision-makers., * Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 15+ years of relevant experience, or Bachelor’s degree with 18+ years of relevant experience

• Extensive experience applying data science and advanced analytics to complex, mission-focused problems
• Expert-level proficiency in Python and/or R, including advanced data science and machine learning libraries
• Strong experience working with large, complex datasets from multiple sources
• Demonstrated ability to lead technical efforts and influence analytic direction on large or complex programs
• Strong written and verbal communication skills, including briefing senior leaders
• Must hold an active TS/SCI clearance with Polygraph, * Experience supporting intelligence community, Department of Defense, or other national security customers
• Experience operating in classified computing environments
• Expertise in one or more advanced domains such as machine learning, natural language processing, computer vision, graph analytics, or predictive modeling
• Experience with cloud-based or enterprise analytics platforms
• Demonstrated experience mentoring technical staff or serving as a technical lead
• Demonstrated experience providing instruction, instructional design, or curriculum development

Clearance Requirement

Active TS/SCI with Polygraph, Computer Science Machine Learning Unstructured Data Influencing Skills Advanced Analytics Predictive Modeling Feature Engineering Instructional Design Statistical Modeling Technical Leadership Enterprise Analytics Artificial Intelligence R (Programming Language) Exploratory Data Analysis Verbal Communication Skills Python (Programming Language) Influencing Without Authority Statistical Hypothesis Testing Natural Language Processing (NLP) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares., Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .