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Senior Principal Physical Implementation Engineer
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Leidos

AI Data Scientist

Chantilly, VA, United States

Pay Range $131,300.00 - $237,350.00

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Job details

Pay: Pay Range $131,300.00 - $237,350.00
Posting language: English
Posted: Oct 21, 2026

Original job description

Description

Leidos is seeking a hands-on AI Data Scientist to support the development of modern training, education, and mission-support applications for national security programs. This role combines applied data science, AI/ML integration, and modern software engineering to build scalable, interactive learning and training systems within classified environments.

This is an individual contributor role focused on execution and delivery. We are seeking a technical doer - someone who actively designs and builds production systems, contributes code daily, and works across the full application stack. The ideal candidate brings strong TypeScript and modern front-end development experience alongside practical AI/ML and data science skills that can be applied to operational training and education environments.

You will work closely with instructional designers, software engineers, mission stakeholders, analysts, and UX teams to create intelligent, data-driven learning platforms and operational training tools.

Primary Responsibilities

Design, develop, and maintain modern web-based training and learning applications
Build responsive, scalable, and accessible front-end applications using TypeScript and modern frameworks
Develop and integrate AI/ML-enabled capabilities into training and operational support systems
Apply data science and analytics techniques to support adaptive learning, user insights, performance analysis, and mission workflows
Collaborate with instructional designers and subject matter experts to translate learning objectives into interactive digital experiences
Integrate front-end systems with APIs, backend services, AI/ML pipelines, and enterprise platforms
Develop reusable UI components, visualizations, and workflows supporting scalable training ecosystems
Work with structured and unstructured data sources across enterprise and classified environments
Participate in the full software development lifecycle including architecture, implementation, testing, deployment, and sustainment
Support deployment and operationalization of AI/ML capabilities within production systems
Utilize modern AI-assisted development workflows and coding agents to accelerate software delivery, prototyping, testing, refactoring, and documentation
Apply contemporary engineering practices using AI-powered development tools while maintaining strong standards for code quality, security, maintainability, and testing
Evaluate and integrate emerging developer tooling and agentic engineering capabilities into team workflows and application development practices
Troubleshoot application, integration, and data-related issues across distributed environments
Contribute to software engineering standards, reusable frameworks, and development best practices
Stay current with emerging front-end, AI/ML, and learning technology trends

Basic Qualifications

Bachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 12+ years of relevant experience or a Master's degree with 10+ years experience. Additional experience may be considered in lieu of degree
Strong hands-on software engineering experience with TypeScript and modern front-end development
Experience with modern front-end frameworks such as React, Next.js, Angular, or Vue
Practical experience applying data science, analytics, or AI/ML techniques to real-world applications
Proficiency in Python and familiarity with common data science and machine learning libraries
Experience integrating applications with APIs, backend systems, and data services
Familiarity with AI/ML workflows including data preparation, model integration, inference pipelines, or analytics processing
Experience using modern AI-assisted software development tools and coding agents within professional engineering workflows
Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms
Demonstrated ability to effectively leverage AI-assisted development while maintaining sound software engineering fundamentals, debugging practices, testing discipline, and secure coding standards
Strong understanding of modern software development practices including Git, CI/CD, automated testing, and agile methodologies
Demonstrated ability to independently design and implement production-ready technical solutions
Strong analytical, troubleshooting, and problem-solving skills
Strong written and verbal communication skills
Must hold an active TS/SCI clearance with Polygraph

Preferred Qualifications

Experience supporting training, education, simulation, or learning technology environments
Experience building intelligent tutoring systems, adaptive learning platforms, or analytics-driven training applications
Experience working with large language models (LLMs), generative AI, NLP, or AI-assisted user experiences
Familiarity with AI frameworks and ecosystems such as Hugging Face, LangChain, vector databases, or agentic AI frameworks
Experience developing applications using agentic or AI-accelerated software engineering workflows
Familiarity with AI-enabled developer tooling integrated into modern IDEs, terminals, and CI/CD environments
Experience evaluating, customizing, or operationalizing AI coding agents for enterprise or mission-focused development environments
Experience combining AI-assisted development with modern TypeScript, React, or full-stack application architectures
Experience with data visualization, interactive analytics, or dashboard development
Experience working with learning ecosystems or standards such as SCORM, xAPI, or LMS integrations
Familiarity with Node.js or full-stack application development
Experience deploying applications in cloud or enterprise environments
Experience modernizing legacy applications into modern web architectures
Experience supporting Department of Defense, Intelligence Community, or national security customers

Desired Candidate Profile

The ideal candidate is:

A builder and hands-on engineer first
Comfortable owning implementation from concept through deployment
Current on modern front-end and AI-assisted engineering practices
Equally comfortable working across UI, data, APIs, and AI integration layers
Interested in education, training, simulation, or mission learning environments
Able to balance speed, experimentation, and engineering discipline in production systems
Comfortable operating in modern AI-accelerated engineering environments where coding agents and AI-assisted workflows are part of day-to-day software development practices

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:

October 19, 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 $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline onlyand 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 www.Leidos.com .

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 competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00194914

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

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