Data Scientist

Leidos LLC; Hampton (VA); On-site; USD 107,900 - 195,050; Full time

Benefits offered by this job

Health and Wellness programs

Retirement

Paid Leave

Competitive compensation

Job summary

Leidos in Hampton, VA seeks a mission-focused Sr. Data Scientist to support intelligence work at Joint Base Langley–Eustis. You will design and deploy ML models, mentor analysts, and drive data-driven decisions for AFSCI-related tasks.

The role requires TS/SCI clearance, a Master’s with 10+ years (or equivalent experience) and strong Python/R skills. Expect collaboration across multi-disciplinary teams and a commitment to ethical AI practices.

Qualifications

• Design/implement ML models and AI algorithms to solve operational challenges.
• Experience with data mining, analytics, and statistical methods.
• Proficient in Python and/or R; familiar with ML toolkits.
• Strong problem solving and communication skills for diverse audiences.

Responsibilities

• Design, develop, train, and deploy ML models and AI algorithms for operational intelligence tasks.
• Continuously monitor, test, and refine deployed models to ensure accuracy and reduce bias.
• Provide hands-on training to analysts on AI/ML frameworks and outputs.
• Mentor analysts on interpreting AI outputs and refining workflows.
• Support data modeling, data coalescence, and data visualization.

Skills

ML model design

Data mining

Analytical algorithms

Programming

Data science

Education

Master's degree +10+ years

Bachelor's +15+ years

Tools

Python

R

ML toolkits

Job description

Step into a mission where what you do truly matters! At Leidos, innovation is at the heart of everything we do. Powered by a team as diverse as it is talented, we're driven by a shared passion for delivering bold solutions that fuel our customers' success. We believe in empowering our people, giving back to our communities, and leading with sustainability. Every action we take is grounded in integrity and a steadfast commitment to doing what’s right—for our customers, our teams, and the world around us. Our Mission, Vision, and Values aren't just words—they're the compass guiding our journey toward a brighter future. If this sounds like the kind of environment where you can thrive, keep reading! Leidos is excited to announce an opportunity for a mission-driven Sr. Data Scientist to support cutting-edge intelligence work at Joint Base Langley–Eustis in Hampton, VA! In this role, you’ll provide technical and analytical support and information and provide recommendations for data collection, algorithm development, processing, design and exploitation for the operations of ACC A2 Staff tasks and projects. You’ll bring impactful, real-world solutions to the Air Force intelligence community. Note-Funding expected to begin mid September.

What You’ll Do:

• Design, develop, train, and deploy custom Machine Learning (ML) models and Artificial Intelligence (AI) algorithms to solve specific operational intelligence challenges.
• The Contractor shall continuously monitor, test, and refine these deployed models to ensure accuracy, reduce algorithmic bias, and mitigate hallucinations.
• Primary focus is to develop and deliver specialized, hands‑on training on the practical application of AI/ML frameworks to include those unique to AFSCI.
• The Contractor shall serve as an embedded technical mentor, providing "over‑the‑shoulder" support to train intelligence analysts on how to interpret AI-generated outputs, engineer effective prompts, and transition legacy analog workflows into modernized, AI‑assisted processes.
• Support data modeling builds, data coalescence and data element aggregation.
• Utilize statistics, data mining, and predictive analytics to manage large amounts of data, merge data sources, ensure consistency of datasets, create data visualizations, and build mathematical models and present findings.

What You’ll Need:

• Current TS/SCI security clearance.
• Master’s degree with 10+ years of relevant experience, or a Bachelor’s degree with 15+ years of relevant experience. Additional experience may be considered in lieu of a degree.
• Relevant experience in two or more of the following: designing/implementing machine learning, data mining, advanced analytical algorithms, programming, data science, advanced statistical analysis, artificial intelligence, or software engineering.
• Experienced in extracting and analyzing data from COTS products.
• Working knowledge in programming languages such as Python, R.
• Knowledgeable of machine learning toolkits.
• Excellent problem solving and analytic skills associated with working on unstructured datasets.
• Experience with a focus on multiple domains of intelligence or all-source intelligence.
• Must have well‑developed organizational and time management skills.
• Strong written and oral communication skills, including ability to communicate detailed technical information to peers and non‑technical management staff as needed.
• Proficient in Microsoft Office with the ability to edit, standardize, and revise materials prepared by other writers and illustrators.

AMSOPP1

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: July 23, 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 $107,900.00 - $195,050.00. 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.

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 $17.2 billion for the fiscal year ended January 2, 2026. 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.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity:

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.