Data Scientist Security Clearance

Position: Data Scientist with Security Clearance
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- Description Leidos is seeking a Data Scientist to support national security customers by developing, deploying, and sustaining data-driven analytic solutions in classified environments. This role is suited for a strong individual contributor who applies data science methods to real-world mission problems while collaborating with subject matter experts and multidisciplinary technical teams. The Data Scientist will contribute across the full analytics lifecycle, including data ingestion, exploration, modeling, visualization, deployment, and ongoing operations and maintenance (O&M).

Primary Responsibilities
* Collaborate with government customers, analysts, engineers, and subject matter experts to understand mission needs and analytic objectives

* Assist in translating customer problems into data science tasks and project requirements

* Perform exploratory data analysis on structured and unstructured datasets

* Develop and apply statistical models, machine learning algorithms, and analytic workflows

* Create visualizations, reports, and briefings that clearly communicate analytic findings and insights

* Support deployment, monitoring, and operations and maintenance (O&M) of analytic solutions

* Document analytic methods, assumptions, and results in accordance with program and customer standards

* Work collaboratively within an integrated, multidisciplinary team environment
Basic Qualifications
* Bachelor’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 12+ years of relevant experience, or Master’s degree with 10+ years of relevant experience

* Demonstrated experience applying data science or analytics techniques to mission-relevant problems

* Proficiency in Python and/or R, including common data science libraries

* Experience working with databases and data query languages such as SQL

* Ability to communicate analytic results to both technical and non-technical audiences

* Must hold an active TS/SCI clearance with Polygraph

Preferred Qualifications
* Experience supporting intelligence community, defense, or national security customers

* Familiarity with machine learning, predictive analytics, or natural language processing

* Experience with data visualization tools and techniques

* Exposure to big data or cloud-based analytics environments

* Strong analytical curiosity and problem-solving skills

* Experience providing instruction, instructional design, or curriculum development
Clearance Requirement Active TS/SCI with Polygraph 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.

Original Posting:
January 14, 2026 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:
Pay Range $ - $ The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos 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  . Pay and Benefits 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…