At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.
If this sounds like a mission you want to be a part of, keep reading!The Digital Modernization Sector is focused on delivering performance-based IT services and repeatable solutions to include applying cloud-factory and aaS (as a Service) capabilities and integrating commercial products to provide a comprehensive digital engineering approach to IT transformation. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, click here!
Candidates MUST:Be located in the United States for the current three consecutive years.
Be a US Citizen or US Person with the ability to obtain and maintain a Public Trust clearance.
This is a telework position; however, the candidate must reside in the Washington, D.C., Northern Virginia, or Maryland area.
Leidos is seeking an experienced AI GPT Senior Data Scientist/Developer who can bring creative ideas to solve complex problems, both technical and procedural, to the team. The ability to be adaptable and to work constructively with a technically diverse and geographically separated team is crucial. You will work as an integral part of an Agile Scrum team, supporting development within an innovative AI GPT technology.
Key Responsibilities:Key contributor in developing and implementing business solutions to address requirements, optimize efficiency, and deliver real content seamlessly.
Apply in-depth skills and broad knowledge to develop and implement machine learning systems to improve and streamline operations.
Write eloquent, reusable code that effectively solves problems.
Integrate with existing cloud services to solve complex extraction problems, such as analyzing and searching documents at scale.
Also working with:
Web application infrastructure
Proficiency with relational database systems such as PostgreSQL
Security Documentation
LLM Orchestration (calling tools or agents)
Prompt Engineering
Master's degree and a minimum of 15 years of technical experience.
Approximately 6 to 8 years of application development experience.
Proven development experience with client-server / distributed systems / cloud computing.
Experience in using AI/ML models, chatbots and robotics to help internal teams promote diverse business outcomes and drive innovation.
Strong collaboration skills and desire to work within a team.
Ability to work in a fast paced, constantly changing environment.
Works well with limited oversight.
Python
TypeScript
Other object-oriented programming languages
React.js
Cloud Architecture
Experience with Large Language Models (LLM) and Retrieval-Augmented Generation (RAG) architecture
Web application infrastructure
Security Documentation
LLM Orchestration (calling tools or agents)
Prompt engineering
Database management (SQL, NoSQL)
API development and integration
Natural Language Processing (NLP) techniques
Containerization (Docker, Kubernetes)
CI/CD Pipelines
Monitoring and Logging tools (e.g., ELK stack, Prometheus, Azure Analytics)
Knowledge of privacy and security measures for handling sensitive data
Paid Time Off (PTO) accrued based on Leidos policy, up to 3 weeks a year.
Eleven (11) paid holidays per year.
Access to benefits on day one including medical and dental insurance, 401K, Life, AD&D, Voluntary Disability plans.
Ongoing training to support your success.
Discounted Leidos stock purchase and other Employee Discounts.
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting:July 31, 2025For 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.
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.
Similar Jobs
.png)
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
